diff --git a/c++/greptime/v1/meta/heartbeat.pb.cc b/c++/greptime/v1/meta/heartbeat.pb.cc
index e743bad..02be5af 100644
--- a/c++/greptime/v1/meta/heartbeat.pb.cc
+++ b/c++/greptime/v1/meta/heartbeat.pb.cc
@@ -26,6 +26,7 @@ namespace meta {
 PROTOBUF_CONSTEXPR HeartbeatRequest::HeartbeatRequest(
     ::_pbi::ConstantInitialized): _impl_{
     /*decltype(_impl_.region_stats_)*/{}
+  , /*decltype(_impl_.topic_stats_)*/{}
   , /*decltype(_impl_.header_)*/nullptr
   , /*decltype(_impl_.peer_)*/nullptr
   , /*decltype(_impl_.report_interval_)*/nullptr
@@ -134,6 +135,22 @@ struct RegionStatDefaultTypeInternal {
   };
 };
 PROTOBUF_ATTRIBUTE_NO_DESTROY PROTOBUF_CONSTINIT PROTOBUF_ATTRIBUTE_INIT_PRIORITY1 RegionStatDefaultTypeInternal _RegionStat_default_instance_;
+PROTOBUF_CONSTEXPR TopicStat::TopicStat(
+    ::_pbi::ConstantInitialized): _impl_{
+    /*decltype(_impl_.topic_name_)*/{&::_pbi::fixed_address_empty_string, ::_pbi::ConstantInitialized{}}
+  , /*decltype(_impl_.record_size_)*/uint64_t{0u}
+  , /*decltype(_impl_.record_num_)*/uint64_t{0u}
+  , /*decltype(_impl_.latest_entry_id_)*/uint64_t{0u}
+  , /*decltype(_impl_._cached_size_)*/{}} {}
+struct TopicStatDefaultTypeInternal {
+  PROTOBUF_CONSTEXPR TopicStatDefaultTypeInternal()
+      : _instance(::_pbi::ConstantInitialized{}) {}
+  ~TopicStatDefaultTypeInternal() {}
+  union {
+    TopicStat _instance;
+  };
+};
+PROTOBUF_ATTRIBUTE_NO_DESTROY PROTOBUF_CONSTINIT PROTOBUF_ATTRIBUTE_INIT_PRIORITY1 TopicStatDefaultTypeInternal _TopicStat_default_instance_;
 PROTOBUF_CONSTEXPR FlowStat_FlowStatSizeEntry_DoNotUse::FlowStat_FlowStatSizeEntry_DoNotUse(
     ::_pbi::ConstantInitialized) {}
 struct FlowStat_FlowStatSizeEntry_DoNotUseDefaultTypeInternal {
@@ -277,7 +294,7 @@ PROTOBUF_ATTRIBUTE_NO_DESTROY PROTOBUF_CONSTINIT PROTOBUF_ATTRIBUTE_INIT_PRIORIT
 }  // namespace meta
 }  // namespace v1
 }  // namespace greptime
-static ::_pb::Metadata file_level_metadata_greptime_2fv1_2fmeta_2fheartbeat_2eproto[17];
+static ::_pb::Metadata file_level_metadata_greptime_2fv1_2fmeta_2fheartbeat_2eproto[18];
 static const ::_pb::EnumDescriptor* file_level_enum_descriptors_greptime_2fv1_2fmeta_2fheartbeat_2eproto[1];
 static constexpr ::_pb::ServiceDescriptor const** file_level_service_descriptors_greptime_2fv1_2fmeta_2fheartbeat_2eproto = nullptr;
 
@@ -300,6 +317,7 @@ const uint32_t TableStruct_greptime_2fv1_2fmeta_2fheartbeat_2eproto::offsets[] P
   ::_pbi::kInvalidFieldOffsetTag,
   ::_pbi::kInvalidFieldOffsetTag,
   ::_pbi::kInvalidFieldOffsetTag,
+  PROTOBUF_FIELD_OFFSET(::greptime::v1::meta::HeartbeatRequest, _impl_.topic_stats_),
   PROTOBUF_FIELD_OFFSET(::greptime::v1::meta::HeartbeatRequest, _impl_.node_workloads_),
   ~0u,  // no _has_bits_
   PROTOBUF_FIELD_OFFSET(::greptime::v1::meta::DatanodeWorkloads, _internal_metadata_),
@@ -355,6 +373,16 @@ const uint32_t TableStruct_greptime_2fv1_2fmeta_2fheartbeat_2eproto::offsets[] P
   PROTOBUF_FIELD_OFFSET(::greptime::v1::meta::RegionStat, _impl_.engine_),
   PROTOBUF_FIELD_OFFSET(::greptime::v1::meta::RegionStat, _impl_.role_),
   PROTOBUF_FIELD_OFFSET(::greptime::v1::meta::RegionStat, _impl_.extensions_),
+  ~0u,  // no _has_bits_
+  PROTOBUF_FIELD_OFFSET(::greptime::v1::meta::TopicStat, _internal_metadata_),
+  ~0u,  // no _extensions_
+  ~0u,  // no _oneof_case_
+  ~0u,  // no _weak_field_map_
+  ~0u,  // no _inlined_string_donated_
+  PROTOBUF_FIELD_OFFSET(::greptime::v1::meta::TopicStat, _impl_.topic_name_),
+  PROTOBUF_FIELD_OFFSET(::greptime::v1::meta::TopicStat, _impl_.record_size_),
+  PROTOBUF_FIELD_OFFSET(::greptime::v1::meta::TopicStat, _impl_.record_num_),
+  PROTOBUF_FIELD_OFFSET(::greptime::v1::meta::TopicStat, _impl_.latest_entry_id_),
   PROTOBUF_FIELD_OFFSET(::greptime::v1::meta::FlowStat_FlowStatSizeEntry_DoNotUse, _has_bits_),
   PROTOBUF_FIELD_OFFSET(::greptime::v1::meta::FlowStat_FlowStatSizeEntry_DoNotUse, _internal_metadata_),
   ~0u,  // no _extensions_
@@ -452,22 +480,23 @@ const uint32_t TableStruct_greptime_2fv1_2fmeta_2fheartbeat_2eproto::offsets[] P
 };
 static const ::_pbi::MigrationSchema schemas[] PROTOBUF_SECTION_VARIABLE(protodesc_cold) = {
   { 0, -1, -1, sizeof(::greptime::v1::meta::HeartbeatRequest)},
-  { 19, -1, -1, sizeof(::greptime::v1::meta::DatanodeWorkloads)},
-  { 26, -1, -1, sizeof(::greptime::v1::meta::FrontendWorkloads)},
-  { 33, -1, -1, sizeof(::greptime::v1::meta::FlownodeWorkloads)},
-  { 40, -1, -1, sizeof(::greptime::v1::meta::NodeInfo)},
-  { 50, 58, -1, sizeof(::greptime::v1::meta::RegionStat_ExtensionsEntry_DoNotUse)},
-  { 60, -1, -1, sizeof(::greptime::v1::meta::RegionStat)},
-  { 73, 81, -1, sizeof(::greptime::v1::meta::FlowStat_FlowStatSizeEntry_DoNotUse)},
-  { 83, 91, -1, sizeof(::greptime::v1::meta::FlowStat_FlowLastExecTimeMapEntry_DoNotUse)},
-  { 93, -1, -1, sizeof(::greptime::v1::meta::FlowStat)},
-  { 101, -1, -1, sizeof(::greptime::v1::meta::HeartbeatResponse)},
-  { 110, 118, -1, sizeof(::greptime::v1::meta::GrantedRegion_ExtensionsEntry_DoNotUse)},
-  { 120, -1, -1, sizeof(::greptime::v1::meta::GrantedRegion)},
-  { 129, -1, -1, sizeof(::greptime::v1::meta::RegionLease)},
-  { 139, -1, -1, sizeof(::greptime::v1::meta::AskLeaderRequest)},
-  { 146, -1, -1, sizeof(::greptime::v1::meta::AskLeaderResponse)},
-  { 154, -1, -1, sizeof(::greptime::v1::meta::MailboxMessage)},
+  { 20, -1, -1, sizeof(::greptime::v1::meta::DatanodeWorkloads)},
+  { 27, -1, -1, sizeof(::greptime::v1::meta::FrontendWorkloads)},
+  { 34, -1, -1, sizeof(::greptime::v1::meta::FlownodeWorkloads)},
+  { 41, -1, -1, sizeof(::greptime::v1::meta::NodeInfo)},
+  { 51, 59, -1, sizeof(::greptime::v1::meta::RegionStat_ExtensionsEntry_DoNotUse)},
+  { 61, -1, -1, sizeof(::greptime::v1::meta::RegionStat)},
+  { 74, -1, -1, sizeof(::greptime::v1::meta::TopicStat)},
+  { 84, 92, -1, sizeof(::greptime::v1::meta::FlowStat_FlowStatSizeEntry_DoNotUse)},
+  { 94, 102, -1, sizeof(::greptime::v1::meta::FlowStat_FlowLastExecTimeMapEntry_DoNotUse)},
+  { 104, -1, -1, sizeof(::greptime::v1::meta::FlowStat)},
+  { 112, -1, -1, sizeof(::greptime::v1::meta::HeartbeatResponse)},
+  { 121, 129, -1, sizeof(::greptime::v1::meta::GrantedRegion_ExtensionsEntry_DoNotUse)},
+  { 131, -1, -1, sizeof(::greptime::v1::meta::GrantedRegion)},
+  { 140, -1, -1, sizeof(::greptime::v1::meta::RegionLease)},
+  { 150, -1, -1, sizeof(::greptime::v1::meta::AskLeaderRequest)},
+  { 157, -1, -1, sizeof(::greptime::v1::meta::AskLeaderResponse)},
+  { 165, -1, -1, sizeof(::greptime::v1::meta::MailboxMessage)},
 };
 
 static const ::_pb::Message* const file_default_instances[] = {
@@ -478,6 +507,7 @@ static const ::_pb::Message* const file_default_instances[] = {
   &::greptime::v1::meta::_NodeInfo_default_instance_._instance,
   &::greptime::v1::meta::_RegionStat_ExtensionsEntry_DoNotUse_default_instance_._instance,
   &::greptime::v1::meta::_RegionStat_default_instance_._instance,
+  &::greptime::v1::meta::_TopicStat_default_instance_._instance,
   &::greptime::v1::meta::_FlowStat_FlowStatSizeEntry_DoNotUse_default_instance_._instance,
   &::greptime::v1::meta::_FlowStat_FlowLastExecTimeMapEntry_DoNotUse_default_instance_._instance,
   &::greptime::v1::meta::_FlowStat_default_instance_._instance,
@@ -493,7 +523,7 @@ static const ::_pb::Message* const file_default_instances[] = {
 const char descriptor_table_protodef_greptime_2fv1_2fmeta_2fheartbeat_2eproto[] PROTOBUF_SECTION_VARIABLE(protodesc_cold) =
   "\n greptime/v1/meta/heartbeat.proto\022\020grep"
   "time.v1.meta\032\035greptime/v1/meta/common.pr"
-  "oto\"\331\004\n\020HeartbeatRequest\022/\n\006header\030\001 \001(\013"
+  "oto\"\213\005\n\020HeartbeatRequest\022/\n\006header\030\001 \001(\013"
   "2\037.greptime.v1.meta.RequestHeader\022$\n\004pee"
   "r\030\002 \001(\0132\026.greptime.v1.meta.Peer\0227\n\017repor"
   "t_interval\030\003 \001(\0132\036.greptime.v1.meta.Time"
@@ -507,64 +537,68 @@ const char descriptor_table_protodef_greptime_2fv1_2fmeta_2fheartbeat_2eproto[]
   "reptime.v1.meta.DatanodeWorkloadsH\000\0227\n\010f"
   "rontend\030\013 \001(\0132#.greptime.v1.meta.Fronten"
   "dWorkloadsH\000\0227\n\010flownode\030\014 \001(\0132#.greptim"
-  "e.v1.meta.FlownodeWorkloadsH\000B\020\n\016node_wo"
-  "rkloads\"\"\n\021DatanodeWorkloads\022\r\n\005types\030\001 "
-  "\003(\005\"\"\n\021FrontendWorkloads\022\r\n\005types\030\001 \003(\005\""
-  "\"\n\021FlownodeWorkloads\022\r\n\005types\030\001 \003(\005\"T\n\010N"
-  "odeInfo\022\017\n\007version\030\001 \001(\t\022\022\n\ngit_commit\030\002"
-  " \001(\t\022\025\n\rstart_time_ms\030\003 \001(\004\022\014\n\004cpus\030\004 \001("
-  "\r\"\207\002\n\nRegionStat\022\021\n\tregion_id\030\001 \001(\004\022\014\n\004r"
-  "cus\030\002 \001(\003\022\014\n\004wcus\030\003 \001(\003\022\031\n\021approximate_b"
-  "ytes\030\004 \001(\003\022\016\n\006engine\030\006 \001(\t\022*\n\004role\030\007 \001(\016"
-  "2\034.greptime.v1.meta.RegionRole\022@\n\nextens"
-  "ions\030c \003(\0132,.greptime.v1.meta.RegionStat"
-  ".ExtensionsEntry\0321\n\017ExtensionsEntry\022\013\n\003k"
-  "ey\030\001 \001(\t\022\r\n\005value\030\002 \001(\014:\0028\001\"\227\002\n\010FlowStat"
-  "\022D\n\016flow_stat_size\030\001 \003(\0132,.greptime.v1.m"
-  "eta.FlowStat.FlowStatSizeEntry\022T\n\027flow_l"
-  "ast_exec_time_map\030\002 \003(\01323.greptime.v1.me"
-  "ta.FlowStat.FlowLastExecTimeMapEntry\0323\n\021"
-  "FlowStatSizeEntry\022\013\n\003key\030\001 \001(\r\022\r\n\005value\030"
-  "\002 \001(\004:\0028\001\032:\n\030FlowLastExecTimeMapEntry\022\013\n"
-  "\003key\030\001 \001(\r\022\r\n\005value\030\002 \001(\003:\0028\001\"\265\001\n\021Heartb"
-  "eatResponse\0220\n\006header\030\001 \001(\0132 .greptime.v"
-  "1.meta.ResponseHeader\0229\n\017mailbox_message"
-  "\030\002 \001(\0132 .greptime.v1.meta.MailboxMessage"
-  "\0223\n\014region_lease\030\003 \001(\0132\035.greptime.v1.met"
-  "a.RegionLease\"\306\001\n\rGrantedRegion\022\021\n\tregio"
-  "n_id\030\001 \001(\004\022*\n\004role\030\002 \001(\0162\034.greptime.v1.m"
-  "eta.RegionRole\022C\n\nextensions\030c \003(\0132/.gre"
-  "ptime.v1.meta.GrantedRegion.ExtensionsEn"
-  "try\0321\n\017ExtensionsEntry\022\013\n\003key\030\001 \001(\t\022\r\n\005v"
-  "alue\030\002 \001(\014:\0028\001\"\222\001\n\013RegionLease\0220\n\007region"
-  "s\030\001 \003(\0132\037.greptime.v1.meta.GrantedRegion"
-  "\022\034\n\024duration_since_epoch\030\002 \001(\004\022\025\n\rlease_"
-  "seconds\030\003 \001(\004\022\034\n\024closeable_region_ids\030\004 "
-  "\003(\004\"C\n\020AskLeaderRequest\022/\n\006header\030\001 \001(\0132"
-  "\037.greptime.v1.meta.RequestHeader\"m\n\021AskL"
-  "eaderResponse\0220\n\006header\030\001 \001(\0132 .greptime"
-  ".v1.meta.ResponseHeader\022&\n\006leader\030\002 \001(\0132"
-  "\026.greptime.v1.meta.Peer\"|\n\016MailboxMessag"
-  "e\022\n\n\002id\030\001 \001(\004\022\017\n\007subject\030\002 \001(\t\022\014\n\004from\030\003"
-  " \001(\t\022\n\n\002to\030\004 \001(\t\022\030\n\020timestamp_millis\030\005 \001"
-  "(\003\022\016\n\004json\030\006 \001(\tH\000B\t\n\007payload*=\n\nRegionR"
-  "ole\022\n\n\006Leader\020\000\022\014\n\010Follower\020\001\022\025\n\021Downgra"
-  "dingLeader\020\0022\277\001\n\tHeartbeat\022Z\n\tHeartbeat\022"
-  "\".greptime.v1.meta.HeartbeatRequest\032#.gr"
-  "eptime.v1.meta.HeartbeatResponse\"\000(\0010\001\022V"
-  "\n\tAskLeader\022\".greptime.v1.meta.AskLeader"
-  "Request\032#.greptime.v1.meta.AskLeaderResp"
-  "onse\"\000B<Z:github.com/GreptimeTeam/grepti"
-  "me-proto/go/greptime/v1/metab\006proto3"
+  "e.v1.meta.FlownodeWorkloadsH\000\0220\n\013topic_s"
+  "tats\030\r \003(\0132\033.greptime.v1.meta.TopicStatB"
+  "\020\n\016node_workloads\"\"\n\021DatanodeWorkloads\022\r"
+  "\n\005types\030\001 \003(\005\"\"\n\021FrontendWorkloads\022\r\n\005ty"
+  "pes\030\001 \003(\005\"\"\n\021FlownodeWorkloads\022\r\n\005types\030"
+  "\001 \003(\005\"T\n\010NodeInfo\022\017\n\007version\030\001 \001(\t\022\022\n\ngi"
+  "t_commit\030\002 \001(\t\022\025\n\rstart_time_ms\030\003 \001(\004\022\014\n"
+  "\004cpus\030\004 \001(\r\"\207\002\n\nRegionStat\022\021\n\tregion_id\030"
+  "\001 \001(\004\022\014\n\004rcus\030\002 \001(\003\022\014\n\004wcus\030\003 \001(\003\022\031\n\021app"
+  "roximate_bytes\030\004 \001(\003\022\016\n\006engine\030\006 \001(\t\022*\n\004"
+  "role\030\007 \001(\0162\034.greptime.v1.meta.RegionRole"
+  "\022@\n\nextensions\030c \003(\0132,.greptime.v1.meta."
+  "RegionStat.ExtensionsEntry\0321\n\017Extensions"
+  "Entry\022\013\n\003key\030\001 \001(\t\022\r\n\005value\030\002 \001(\014:\0028\001\"a\n"
+  "\tTopicStat\022\022\n\ntopic_name\030\001 \001(\t\022\023\n\013record"
+  "_size\030\002 \001(\004\022\022\n\nrecord_num\030\003 \001(\004\022\027\n\017lates"
+  "t_entry_id\030\004 \001(\004\"\227\002\n\010FlowStat\022D\n\016flow_st"
+  "at_size\030\001 \003(\0132,.greptime.v1.meta.FlowSta"
+  "t.FlowStatSizeEntry\022T\n\027flow_last_exec_ti"
+  "me_map\030\002 \003(\01323.greptime.v1.meta.FlowStat"
+  ".FlowLastExecTimeMapEntry\0323\n\021FlowStatSiz"
+  "eEntry\022\013\n\003key\030\001 \001(\r\022\r\n\005value\030\002 \001(\004:\0028\001\032:"
+  "\n\030FlowLastExecTimeMapEntry\022\013\n\003key\030\001 \001(\r\022"
+  "\r\n\005value\030\002 \001(\003:\0028\001\"\265\001\n\021HeartbeatResponse"
+  "\0220\n\006header\030\001 \001(\0132 .greptime.v1.meta.Resp"
+  "onseHeader\0229\n\017mailbox_message\030\002 \001(\0132 .gr"
+  "eptime.v1.meta.MailboxMessage\0223\n\014region_"
+  "lease\030\003 \001(\0132\035.greptime.v1.meta.RegionLea"
+  "se\"\306\001\n\rGrantedRegion\022\021\n\tregion_id\030\001 \001(\004\022"
+  "*\n\004role\030\002 \001(\0162\034.greptime.v1.meta.RegionR"
+  "ole\022C\n\nextensions\030c \003(\0132/.greptime.v1.me"
+  "ta.GrantedRegion.ExtensionsEntry\0321\n\017Exte"
+  "nsionsEntry\022\013\n\003key\030\001 \001(\t\022\r\n\005value\030\002 \001(\014:"
+  "\0028\001\"\222\001\n\013RegionLease\0220\n\007regions\030\001 \003(\0132\037.g"
+  "reptime.v1.meta.GrantedRegion\022\034\n\024duratio"
+  "n_since_epoch\030\002 \001(\004\022\025\n\rlease_seconds\030\003 \001"
+  "(\004\022\034\n\024closeable_region_ids\030\004 \003(\004\"C\n\020AskL"
+  "eaderRequest\022/\n\006header\030\001 \001(\0132\037.greptime."
+  "v1.meta.RequestHeader\"m\n\021AskLeaderRespon"
+  "se\0220\n\006header\030\001 \001(\0132 .greptime.v1.meta.Re"
+  "sponseHeader\022&\n\006leader\030\002 \001(\0132\026.greptime."
+  "v1.meta.Peer\"|\n\016MailboxMessage\022\n\n\002id\030\001 \001"
+  "(\004\022\017\n\007subject\030\002 \001(\t\022\014\n\004from\030\003 \001(\t\022\n\n\002to\030"
+  "\004 \001(\t\022\030\n\020timestamp_millis\030\005 \001(\003\022\016\n\004json\030"
+  "\006 \001(\tH\000B\t\n\007payload*=\n\nRegionRole\022\n\n\006Lead"
+  "er\020\000\022\014\n\010Follower\020\001\022\025\n\021DowngradingLeader\020"
+  "\0022\277\001\n\tHeartbeat\022Z\n\tHeartbeat\022\".greptime."
+  "v1.meta.HeartbeatRequest\032#.greptime.v1.m"
+  "eta.HeartbeatResponse\"\000(\0010\001\022V\n\tAskLeader"
+  "\022\".greptime.v1.meta.AskLeaderRequest\032#.g"
+  "reptime.v1.meta.AskLeaderResponse\"\000B<Z:g"
+  "ithub.com/GreptimeTeam/greptime-proto/go"
+  "/greptime/v1/metab\006proto3"
   ;
 static const ::_pbi::DescriptorTable* const descriptor_table_greptime_2fv1_2fmeta_2fheartbeat_2eproto_deps[1] = {
   &::descriptor_table_greptime_2fv1_2fmeta_2fcommon_2eproto,
 };
 static ::_pbi::once_flag descriptor_table_greptime_2fv1_2fmeta_2fheartbeat_2eproto_once;
 const ::_pbi::DescriptorTable descriptor_table_greptime_2fv1_2fmeta_2fheartbeat_2eproto = {
-    false, false, 2596, descriptor_table_protodef_greptime_2fv1_2fmeta_2fheartbeat_2eproto,
+    false, false, 2745, descriptor_table_protodef_greptime_2fv1_2fmeta_2fheartbeat_2eproto,
     "greptime/v1/meta/heartbeat.proto",
-    &descriptor_table_greptime_2fv1_2fmeta_2fheartbeat_2eproto_once, descriptor_table_greptime_2fv1_2fmeta_2fheartbeat_2eproto_deps, 1, 17,
+    &descriptor_table_greptime_2fv1_2fmeta_2fheartbeat_2eproto_once, descriptor_table_greptime_2fv1_2fmeta_2fheartbeat_2eproto_deps, 1, 18,
     schemas, file_default_instances, TableStruct_greptime_2fv1_2fmeta_2fheartbeat_2eproto::offsets,
     file_level_metadata_greptime_2fv1_2fmeta_2fheartbeat_2eproto, file_level_enum_descriptors_greptime_2fv1_2fmeta_2fheartbeat_2eproto,
     file_level_service_descriptors_greptime_2fv1_2fmeta_2fheartbeat_2eproto,
@@ -719,6 +753,7 @@ HeartbeatRequest::HeartbeatRequest(const HeartbeatRequest& from)
   HeartbeatRequest* const _this = this; (void)_this;
   new (&_impl_) Impl_{
       decltype(_impl_.region_stats_){from._impl_.region_stats_}
+    , decltype(_impl_.topic_stats_){from._impl_.topic_stats_}
     , decltype(_impl_.header_){nullptr}
     , decltype(_impl_.peer_){nullptr}
     , decltype(_impl_.report_interval_){nullptr}
@@ -783,6 +818,7 @@ inline void HeartbeatRequest::SharedCtor(
   (void)is_message_owned;
   new (&_impl_) Impl_{
       decltype(_impl_.region_stats_){arena}
+    , decltype(_impl_.topic_stats_){arena}
     , decltype(_impl_.header_){nullptr}
     , decltype(_impl_.peer_){nullptr}
     , decltype(_impl_.report_interval_){nullptr}
@@ -810,6 +846,7 @@ HeartbeatRequest::~HeartbeatRequest() {
 inline void HeartbeatRequest::SharedDtor() {
   GOOGLE_DCHECK(GetArenaForAllocation() == nullptr);
   _impl_.region_stats_.~RepeatedPtrField();
+  _impl_.topic_stats_.~RepeatedPtrField();
   if (this != internal_default_instance()) delete _impl_.header_;
   if (this != internal_default_instance()) delete _impl_.peer_;
   if (this != internal_default_instance()) delete _impl_.report_interval_;
@@ -861,6 +898,7 @@ void HeartbeatRequest::Clear() {
   (void) cached_has_bits;
 
   _impl_.region_stats_.Clear();
+  _impl_.topic_stats_.Clear();
   if (GetArenaForAllocation() == nullptr && _impl_.header_ != nullptr) {
     delete _impl_.header_;
   }
@@ -999,6 +1037,19 @@ const char* HeartbeatRequest::_InternalParse(const char* ptr, ::_pbi::ParseConte
         } else
           goto handle_unusual;
         continue;
+      // repeated .greptime.v1.meta.TopicStat topic_stats = 13;
+      case 13:
+        if (PROTOBUF_PREDICT_TRUE(static_cast<uint8_t>(tag) == 106)) {
+          ptr -= 1;
+          do {
+            ptr += 1;
+            ptr = ctx->ParseMessage(_internal_add_topic_stats(), ptr);
+            CHK_(ptr);
+            if (!ctx->DataAvailable(ptr)) break;
+          } while (::PROTOBUF_NAMESPACE_ID::internal::ExpectTag<106>(ptr));
+        } else
+          goto handle_unusual;
+        continue;
       default:
         goto handle_unusual;
     }  // switch
@@ -1111,6 +1162,14 @@ uint8_t* HeartbeatRequest::_InternalSerialize(
         _Internal::flownode(this).GetCachedSize(), target, stream);
   }
 
+  // repeated .greptime.v1.meta.TopicStat topic_stats = 13;
+  for (unsigned i = 0,
+      n = static_cast<unsigned>(this->_internal_topic_stats_size()); i < n; i++) {
+    const auto& repfield = this->_internal_topic_stats(i);
+    target = ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::
+        InternalWriteMessage(13, repfield, repfield.GetCachedSize(), target, stream);
+  }
+
   if (PROTOBUF_PREDICT_FALSE(_internal_metadata_.have_unknown_fields())) {
     target = ::_pbi::WireFormat::InternalSerializeUnknownFieldsToArray(
         _internal_metadata_.unknown_fields<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(::PROTOBUF_NAMESPACE_ID::UnknownFieldSet::default_instance), target, stream);
@@ -1134,6 +1193,13 @@ size_t HeartbeatRequest::ByteSizeLong() const {
       ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::MessageSize(msg);
   }
 
+  // repeated .greptime.v1.meta.TopicStat topic_stats = 13;
+  total_size += 1UL * this->_internal_topic_stats_size();
+  for (const auto& msg : this->_impl_.topic_stats_) {
+    total_size +=
+      ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::MessageSize(msg);
+  }
+
   // .greptime.v1.meta.RequestHeader header = 1;
   if (this->_internal_has_header()) {
     total_size += 1 +
@@ -1231,6 +1297,7 @@ void HeartbeatRequest::MergeImpl(::PROTOBUF_NAMESPACE_ID::Message& to_msg, const
   (void) cached_has_bits;
 
   _this->_impl_.region_stats_.MergeFrom(from._impl_.region_stats_);
+  _this->_impl_.topic_stats_.MergeFrom(from._impl_.topic_stats_);
   if (from._internal_has_header()) {
     _this->_internal_mutable_header()->::greptime::v1::meta::RequestHeader::MergeFrom(
         from._internal_header());
@@ -1299,6 +1366,7 @@ void HeartbeatRequest::InternalSwap(HeartbeatRequest* other) {
   using std::swap;
   _internal_metadata_.InternalSwap(&other->_internal_metadata_);
   _impl_.region_stats_.InternalSwap(&other->_impl_.region_stats_);
+  _impl_.topic_stats_.InternalSwap(&other->_impl_.topic_stats_);
   ::PROTOBUF_NAMESPACE_ID::internal::memswap<
       PROTOBUF_FIELD_OFFSET(HeartbeatRequest, _impl_.node_epoch_)
       + sizeof(HeartbeatRequest::_impl_.node_epoch_)
@@ -2625,6 +2693,293 @@ void RegionStat::InternalSwap(RegionStat* other) {
 
 // ===================================================================
 
+class TopicStat::_Internal {
+ public:
+};
+
+TopicStat::TopicStat(::PROTOBUF_NAMESPACE_ID::Arena* arena,
+                         bool is_message_owned)
+  : ::PROTOBUF_NAMESPACE_ID::Message(arena, is_message_owned) {
+  SharedCtor(arena, is_message_owned);
+  // @@protoc_insertion_point(arena_constructor:greptime.v1.meta.TopicStat)
+}
+TopicStat::TopicStat(const TopicStat& from)
+  : ::PROTOBUF_NAMESPACE_ID::Message() {
+  TopicStat* const _this = this; (void)_this;
+  new (&_impl_) Impl_{
+      decltype(_impl_.topic_name_){}
+    , decltype(_impl_.record_size_){}
+    , decltype(_impl_.record_num_){}
+    , decltype(_impl_.latest_entry_id_){}
+    , /*decltype(_impl_._cached_size_)*/{}};
+
+  _internal_metadata_.MergeFrom<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(from._internal_metadata_);
+  _impl_.topic_name_.InitDefault();
+  #ifdef PROTOBUF_FORCE_COPY_DEFAULT_STRING
+    _impl_.topic_name_.Set("", GetArenaForAllocation());
+  #endif // PROTOBUF_FORCE_COPY_DEFAULT_STRING
+  if (!from._internal_topic_name().empty()) {
+    _this->_impl_.topic_name_.Set(from._internal_topic_name(), 
+      _this->GetArenaForAllocation());
+  }
+  ::memcpy(&_impl_.record_size_, &from._impl_.record_size_,
+    static_cast<size_t>(reinterpret_cast<char*>(&_impl_.latest_entry_id_) -
+    reinterpret_cast<char*>(&_impl_.record_size_)) + sizeof(_impl_.latest_entry_id_));
+  // @@protoc_insertion_point(copy_constructor:greptime.v1.meta.TopicStat)
+}
+
+inline void TopicStat::SharedCtor(
+    ::_pb::Arena* arena, bool is_message_owned) {
+  (void)arena;
+  (void)is_message_owned;
+  new (&_impl_) Impl_{
+      decltype(_impl_.topic_name_){}
+    , decltype(_impl_.record_size_){uint64_t{0u}}
+    , decltype(_impl_.record_num_){uint64_t{0u}}
+    , decltype(_impl_.latest_entry_id_){uint64_t{0u}}
+    , /*decltype(_impl_._cached_size_)*/{}
+  };
+  _impl_.topic_name_.InitDefault();
+  #ifdef PROTOBUF_FORCE_COPY_DEFAULT_STRING
+    _impl_.topic_name_.Set("", GetArenaForAllocation());
+  #endif // PROTOBUF_FORCE_COPY_DEFAULT_STRING
+}
+
+TopicStat::~TopicStat() {
+  // @@protoc_insertion_point(destructor:greptime.v1.meta.TopicStat)
+  if (auto *arena = _internal_metadata_.DeleteReturnArena<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>()) {
+  (void)arena;
+    return;
+  }
+  SharedDtor();
+}
+
+inline void TopicStat::SharedDtor() {
+  GOOGLE_DCHECK(GetArenaForAllocation() == nullptr);
+  _impl_.topic_name_.Destroy();
+}
+
+void TopicStat::SetCachedSize(int size) const {
+  _impl_._cached_size_.Set(size);
+}
+
+void TopicStat::Clear() {
+// @@protoc_insertion_point(message_clear_start:greptime.v1.meta.TopicStat)
+  uint32_t cached_has_bits = 0;
+  // Prevent compiler warnings about cached_has_bits being unused
+  (void) cached_has_bits;
+
+  _impl_.topic_name_.ClearToEmpty();
+  ::memset(&_impl_.record_size_, 0, static_cast<size_t>(
+      reinterpret_cast<char*>(&_impl_.latest_entry_id_) -
+      reinterpret_cast<char*>(&_impl_.record_size_)) + sizeof(_impl_.latest_entry_id_));
+  _internal_metadata_.Clear<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>();
+}
+
+const char* TopicStat::_InternalParse(const char* ptr, ::_pbi::ParseContext* ctx) {
+#define CHK_(x) if (PROTOBUF_PREDICT_FALSE(!(x))) goto failure
+  while (!ctx->Done(&ptr)) {
+    uint32_t tag;
+    ptr = ::_pbi::ReadTag(ptr, &tag);
+    switch (tag >> 3) {
+      // string topic_name = 1;
+      case 1:
+        if (PROTOBUF_PREDICT_TRUE(static_cast<uint8_t>(tag) == 10)) {
+          auto str = _internal_mutable_topic_name();
+          ptr = ::_pbi::InlineGreedyStringParser(str, ptr, ctx);
+          CHK_(ptr);
+          CHK_(::_pbi::VerifyUTF8(str, "greptime.v1.meta.TopicStat.topic_name"));
+        } else
+          goto handle_unusual;
+        continue;
+      // uint64 record_size = 2;
+      case 2:
+        if (PROTOBUF_PREDICT_TRUE(static_cast<uint8_t>(tag) == 16)) {
+          _impl_.record_size_ = ::PROTOBUF_NAMESPACE_ID::internal::ReadVarint64(&ptr);
+          CHK_(ptr);
+        } else
+          goto handle_unusual;
+        continue;
+      // uint64 record_num = 3;
+      case 3:
+        if (PROTOBUF_PREDICT_TRUE(static_cast<uint8_t>(tag) == 24)) {
+          _impl_.record_num_ = ::PROTOBUF_NAMESPACE_ID::internal::ReadVarint64(&ptr);
+          CHK_(ptr);
+        } else
+          goto handle_unusual;
+        continue;
+      // uint64 latest_entry_id = 4;
+      case 4:
+        if (PROTOBUF_PREDICT_TRUE(static_cast<uint8_t>(tag) == 32)) {
+          _impl_.latest_entry_id_ = ::PROTOBUF_NAMESPACE_ID::internal::ReadVarint64(&ptr);
+          CHK_(ptr);
+        } else
+          goto handle_unusual;
+        continue;
+      default:
+        goto handle_unusual;
+    }  // switch
+  handle_unusual:
+    if ((tag == 0) || ((tag & 7) == 4)) {
+      CHK_(ptr);
+      ctx->SetLastTag(tag);
+      goto message_done;
+    }
+    ptr = UnknownFieldParse(
+        tag,
+        _internal_metadata_.mutable_unknown_fields<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(),
+        ptr, ctx);
+    CHK_(ptr != nullptr);
+  }  // while
+message_done:
+  return ptr;
+failure:
+  ptr = nullptr;
+  goto message_done;
+#undef CHK_
+}
+
+uint8_t* TopicStat::_InternalSerialize(
+    uint8_t* target, ::PROTOBUF_NAMESPACE_ID::io::EpsCopyOutputStream* stream) const {
+  // @@protoc_insertion_point(serialize_to_array_start:greptime.v1.meta.TopicStat)
+  uint32_t cached_has_bits = 0;
+  (void) cached_has_bits;
+
+  // string topic_name = 1;
+  if (!this->_internal_topic_name().empty()) {
+    ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::VerifyUtf8String(
+      this->_internal_topic_name().data(), static_cast<int>(this->_internal_topic_name().length()),
+      ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::SERIALIZE,
+      "greptime.v1.meta.TopicStat.topic_name");
+    target = stream->WriteStringMaybeAliased(
+        1, this->_internal_topic_name(), target);
+  }
+
+  // uint64 record_size = 2;
+  if (this->_internal_record_size() != 0) {
+    target = stream->EnsureSpace(target);
+    target = ::_pbi::WireFormatLite::WriteUInt64ToArray(2, this->_internal_record_size(), target);
+  }
+
+  // uint64 record_num = 3;
+  if (this->_internal_record_num() != 0) {
+    target = stream->EnsureSpace(target);
+    target = ::_pbi::WireFormatLite::WriteUInt64ToArray(3, this->_internal_record_num(), target);
+  }
+
+  // uint64 latest_entry_id = 4;
+  if (this->_internal_latest_entry_id() != 0) {
+    target = stream->EnsureSpace(target);
+    target = ::_pbi::WireFormatLite::WriteUInt64ToArray(4, this->_internal_latest_entry_id(), target);
+  }
+
+  if (PROTOBUF_PREDICT_FALSE(_internal_metadata_.have_unknown_fields())) {
+    target = ::_pbi::WireFormat::InternalSerializeUnknownFieldsToArray(
+        _internal_metadata_.unknown_fields<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(::PROTOBUF_NAMESPACE_ID::UnknownFieldSet::default_instance), target, stream);
+  }
+  // @@protoc_insertion_point(serialize_to_array_end:greptime.v1.meta.TopicStat)
+  return target;
+}
+
+size_t TopicStat::ByteSizeLong() const {
+// @@protoc_insertion_point(message_byte_size_start:greptime.v1.meta.TopicStat)
+  size_t total_size = 0;
+
+  uint32_t cached_has_bits = 0;
+  // Prevent compiler warnings about cached_has_bits being unused
+  (void) cached_has_bits;
+
+  // string topic_name = 1;
+  if (!this->_internal_topic_name().empty()) {
+    total_size += 1 +
+      ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::StringSize(
+        this->_internal_topic_name());
+  }
+
+  // uint64 record_size = 2;
+  if (this->_internal_record_size() != 0) {
+    total_size += ::_pbi::WireFormatLite::UInt64SizePlusOne(this->_internal_record_size());
+  }
+
+  // uint64 record_num = 3;
+  if (this->_internal_record_num() != 0) {
+    total_size += ::_pbi::WireFormatLite::UInt64SizePlusOne(this->_internal_record_num());
+  }
+
+  // uint64 latest_entry_id = 4;
+  if (this->_internal_latest_entry_id() != 0) {
+    total_size += ::_pbi::WireFormatLite::UInt64SizePlusOne(this->_internal_latest_entry_id());
+  }
+
+  return MaybeComputeUnknownFieldsSize(total_size, &_impl_._cached_size_);
+}
+
+const ::PROTOBUF_NAMESPACE_ID::Message::ClassData TopicStat::_class_data_ = {
+    ::PROTOBUF_NAMESPACE_ID::Message::CopyWithSourceCheck,
+    TopicStat::MergeImpl
+};
+const ::PROTOBUF_NAMESPACE_ID::Message::ClassData*TopicStat::GetClassData() const { return &_class_data_; }
+
+
+void TopicStat::MergeImpl(::PROTOBUF_NAMESPACE_ID::Message& to_msg, const ::PROTOBUF_NAMESPACE_ID::Message& from_msg) {
+  auto* const _this = static_cast<TopicStat*>(&to_msg);
+  auto& from = static_cast<const TopicStat&>(from_msg);
+  // @@protoc_insertion_point(class_specific_merge_from_start:greptime.v1.meta.TopicStat)
+  GOOGLE_DCHECK_NE(&from, _this);
+  uint32_t cached_has_bits = 0;
+  (void) cached_has_bits;
+
+  if (!from._internal_topic_name().empty()) {
+    _this->_internal_set_topic_name(from._internal_topic_name());
+  }
+  if (from._internal_record_size() != 0) {
+    _this->_internal_set_record_size(from._internal_record_size());
+  }
+  if (from._internal_record_num() != 0) {
+    _this->_internal_set_record_num(from._internal_record_num());
+  }
+  if (from._internal_latest_entry_id() != 0) {
+    _this->_internal_set_latest_entry_id(from._internal_latest_entry_id());
+  }
+  _this->_internal_metadata_.MergeFrom<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(from._internal_metadata_);
+}
+
+void TopicStat::CopyFrom(const TopicStat& from) {
+// @@protoc_insertion_point(class_specific_copy_from_start:greptime.v1.meta.TopicStat)
+  if (&from == this) return;
+  Clear();
+  MergeFrom(from);
+}
+
+bool TopicStat::IsInitialized() const {
+  return true;
+}
+
+void TopicStat::InternalSwap(TopicStat* other) {
+  using std::swap;
+  auto* lhs_arena = GetArenaForAllocation();
+  auto* rhs_arena = other->GetArenaForAllocation();
+  _internal_metadata_.InternalSwap(&other->_internal_metadata_);
+  ::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr::InternalSwap(
+      &_impl_.topic_name_, lhs_arena,
+      &other->_impl_.topic_name_, rhs_arena
+  );
+  ::PROTOBUF_NAMESPACE_ID::internal::memswap<
+      PROTOBUF_FIELD_OFFSET(TopicStat, _impl_.latest_entry_id_)
+      + sizeof(TopicStat::_impl_.latest_entry_id_)
+      - PROTOBUF_FIELD_OFFSET(TopicStat, _impl_.record_size_)>(
+          reinterpret_cast<char*>(&_impl_.record_size_),
+          reinterpret_cast<char*>(&other->_impl_.record_size_));
+}
+
+::PROTOBUF_NAMESPACE_ID::Metadata TopicStat::GetMetadata() const {
+  return ::_pbi::AssignDescriptors(
+      &descriptor_table_greptime_2fv1_2fmeta_2fheartbeat_2eproto_getter, &descriptor_table_greptime_2fv1_2fmeta_2fheartbeat_2eproto_once,
+      file_level_metadata_greptime_2fv1_2fmeta_2fheartbeat_2eproto[7]);
+}
+
+// ===================================================================
+
 FlowStat_FlowStatSizeEntry_DoNotUse::FlowStat_FlowStatSizeEntry_DoNotUse() {}
 FlowStat_FlowStatSizeEntry_DoNotUse::FlowStat_FlowStatSizeEntry_DoNotUse(::PROTOBUF_NAMESPACE_ID::Arena* arena)
     : SuperType(arena) {}
@@ -2634,7 +2989,7 @@ void FlowStat_FlowStatSizeEntry_DoNotUse::MergeFrom(const FlowStat_FlowStatSizeE
 ::PROTOBUF_NAMESPACE_ID::Metadata FlowStat_FlowStatSizeEntry_DoNotUse::GetMetadata() const {
   return ::_pbi::AssignDescriptors(
       &descriptor_table_greptime_2fv1_2fmeta_2fheartbeat_2eproto_getter, &descriptor_table_greptime_2fv1_2fmeta_2fheartbeat_2eproto_once,
-      file_level_metadata_greptime_2fv1_2fmeta_2fheartbeat_2eproto[7]);
+      file_level_metadata_greptime_2fv1_2fmeta_2fheartbeat_2eproto[8]);
 }
 
 // ===================================================================
@@ -2648,7 +3003,7 @@ void FlowStat_FlowLastExecTimeMapEntry_DoNotUse::MergeFrom(const FlowStat_FlowLa
 ::PROTOBUF_NAMESPACE_ID::Metadata FlowStat_FlowLastExecTimeMapEntry_DoNotUse::GetMetadata() const {
   return ::_pbi::AssignDescriptors(
       &descriptor_table_greptime_2fv1_2fmeta_2fheartbeat_2eproto_getter, &descriptor_table_greptime_2fv1_2fmeta_2fheartbeat_2eproto_once,
-      file_level_metadata_greptime_2fv1_2fmeta_2fheartbeat_2eproto[8]);
+      file_level_metadata_greptime_2fv1_2fmeta_2fheartbeat_2eproto[9]);
 }
 
 // ===================================================================
@@ -2902,7 +3257,7 @@ void FlowStat::InternalSwap(FlowStat* other) {
 ::PROTOBUF_NAMESPACE_ID::Metadata FlowStat::GetMetadata() const {
   return ::_pbi::AssignDescriptors(
       &descriptor_table_greptime_2fv1_2fmeta_2fheartbeat_2eproto_getter, &descriptor_table_greptime_2fv1_2fmeta_2fheartbeat_2eproto_once,
-      file_level_metadata_greptime_2fv1_2fmeta_2fheartbeat_2eproto[9]);
+      file_level_metadata_greptime_2fv1_2fmeta_2fheartbeat_2eproto[10]);
 }
 
 // ===================================================================
@@ -3188,7 +3543,7 @@ void HeartbeatResponse::InternalSwap(HeartbeatResponse* other) {
 ::PROTOBUF_NAMESPACE_ID::Metadata HeartbeatResponse::GetMetadata() const {
   return ::_pbi::AssignDescriptors(
       &descriptor_table_greptime_2fv1_2fmeta_2fheartbeat_2eproto_getter, &descriptor_table_greptime_2fv1_2fmeta_2fheartbeat_2eproto_once,
-      file_level_metadata_greptime_2fv1_2fmeta_2fheartbeat_2eproto[10]);
+      file_level_metadata_greptime_2fv1_2fmeta_2fheartbeat_2eproto[11]);
 }
 
 // ===================================================================
@@ -3202,7 +3557,7 @@ void GrantedRegion_ExtensionsEntry_DoNotUse::MergeFrom(const GrantedRegion_Exten
 ::PROTOBUF_NAMESPACE_ID::Metadata GrantedRegion_ExtensionsEntry_DoNotUse::GetMetadata() const {
   return ::_pbi::AssignDescriptors(
       &descriptor_table_greptime_2fv1_2fmeta_2fheartbeat_2eproto_getter, &descriptor_table_greptime_2fv1_2fmeta_2fheartbeat_2eproto_once,
-      file_level_metadata_greptime_2fv1_2fmeta_2fheartbeat_2eproto[11]);
+      file_level_metadata_greptime_2fv1_2fmeta_2fheartbeat_2eproto[12]);
 }
 
 // ===================================================================
@@ -3480,7 +3835,7 @@ void GrantedRegion::InternalSwap(GrantedRegion* other) {
 ::PROTOBUF_NAMESPACE_ID::Metadata GrantedRegion::GetMetadata() const {
   return ::_pbi::AssignDescriptors(
       &descriptor_table_greptime_2fv1_2fmeta_2fheartbeat_2eproto_getter, &descriptor_table_greptime_2fv1_2fmeta_2fheartbeat_2eproto_once,
-      file_level_metadata_greptime_2fv1_2fmeta_2fheartbeat_2eproto[12]);
+      file_level_metadata_greptime_2fv1_2fmeta_2fheartbeat_2eproto[13]);
 }
 
 // ===================================================================
@@ -3767,7 +4122,7 @@ void RegionLease::InternalSwap(RegionLease* other) {
 ::PROTOBUF_NAMESPACE_ID::Metadata RegionLease::GetMetadata() const {
   return ::_pbi::AssignDescriptors(
       &descriptor_table_greptime_2fv1_2fmeta_2fheartbeat_2eproto_getter, &descriptor_table_greptime_2fv1_2fmeta_2fheartbeat_2eproto_once,
-      file_level_metadata_greptime_2fv1_2fmeta_2fheartbeat_2eproto[13]);
+      file_level_metadata_greptime_2fv1_2fmeta_2fheartbeat_2eproto[14]);
 }
 
 // ===================================================================
@@ -3966,7 +4321,7 @@ void AskLeaderRequest::InternalSwap(AskLeaderRequest* other) {
 ::PROTOBUF_NAMESPACE_ID::Metadata AskLeaderRequest::GetMetadata() const {
   return ::_pbi::AssignDescriptors(
       &descriptor_table_greptime_2fv1_2fmeta_2fheartbeat_2eproto_getter, &descriptor_table_greptime_2fv1_2fmeta_2fheartbeat_2eproto_once,
-      file_level_metadata_greptime_2fv1_2fmeta_2fheartbeat_2eproto[14]);
+      file_level_metadata_greptime_2fv1_2fmeta_2fheartbeat_2eproto[15]);
 }
 
 // ===================================================================
@@ -4217,7 +4572,7 @@ void AskLeaderResponse::InternalSwap(AskLeaderResponse* other) {
 ::PROTOBUF_NAMESPACE_ID::Metadata AskLeaderResponse::GetMetadata() const {
   return ::_pbi::AssignDescriptors(
       &descriptor_table_greptime_2fv1_2fmeta_2fheartbeat_2eproto_getter, &descriptor_table_greptime_2fv1_2fmeta_2fheartbeat_2eproto_once,
-      file_level_metadata_greptime_2fv1_2fmeta_2fheartbeat_2eproto[15]);
+      file_level_metadata_greptime_2fv1_2fmeta_2fheartbeat_2eproto[16]);
 }
 
 // ===================================================================
@@ -4657,7 +5012,7 @@ void MailboxMessage::InternalSwap(MailboxMessage* other) {
 ::PROTOBUF_NAMESPACE_ID::Metadata MailboxMessage::GetMetadata() const {
   return ::_pbi::AssignDescriptors(
       &descriptor_table_greptime_2fv1_2fmeta_2fheartbeat_2eproto_getter, &descriptor_table_greptime_2fv1_2fmeta_2fheartbeat_2eproto_once,
-      file_level_metadata_greptime_2fv1_2fmeta_2fheartbeat_2eproto[16]);
+      file_level_metadata_greptime_2fv1_2fmeta_2fheartbeat_2eproto[17]);
 }
 
 // @@protoc_insertion_point(namespace_scope)
@@ -4693,6 +5048,10 @@ template<> PROTOBUF_NOINLINE ::greptime::v1::meta::RegionStat*
 Arena::CreateMaybeMessage< ::greptime::v1::meta::RegionStat >(Arena* arena) {
   return Arena::CreateMessageInternal< ::greptime::v1::meta::RegionStat >(arena);
 }
+template<> PROTOBUF_NOINLINE ::greptime::v1::meta::TopicStat*
+Arena::CreateMaybeMessage< ::greptime::v1::meta::TopicStat >(Arena* arena) {
+  return Arena::CreateMessageInternal< ::greptime::v1::meta::TopicStat >(arena);
+}
 template<> PROTOBUF_NOINLINE ::greptime::v1::meta::FlowStat_FlowStatSizeEntry_DoNotUse*
 Arena::CreateMaybeMessage< ::greptime::v1::meta::FlowStat_FlowStatSizeEntry_DoNotUse >(Arena* arena) {
   return Arena::CreateMessageInternal< ::greptime::v1::meta::FlowStat_FlowStatSizeEntry_DoNotUse >(arena);
diff --git a/c++/greptime/v1/meta/heartbeat.pb.h b/c++/greptime/v1/meta/heartbeat.pb.h
index 2ba35c1..7216838 100644
--- a/c++/greptime/v1/meta/heartbeat.pb.h
+++ b/c++/greptime/v1/meta/heartbeat.pb.h
@@ -103,6 +103,9 @@ extern RegionStatDefaultTypeInternal _RegionStat_default_instance_;
 class RegionStat_ExtensionsEntry_DoNotUse;
 struct RegionStat_ExtensionsEntry_DoNotUseDefaultTypeInternal;
 extern RegionStat_ExtensionsEntry_DoNotUseDefaultTypeInternal _RegionStat_ExtensionsEntry_DoNotUse_default_instance_;
+class TopicStat;
+struct TopicStatDefaultTypeInternal;
+extern TopicStatDefaultTypeInternal _TopicStat_default_instance_;
 }  // namespace meta
 }  // namespace v1
 }  // namespace greptime
@@ -124,6 +127,7 @@ template<> ::greptime::v1::meta::NodeInfo* Arena::CreateMaybeMessage<::greptime:
 template<> ::greptime::v1::meta::RegionLease* Arena::CreateMaybeMessage<::greptime::v1::meta::RegionLease>(Arena*);
 template<> ::greptime::v1::meta::RegionStat* Arena::CreateMaybeMessage<::greptime::v1::meta::RegionStat>(Arena*);
 template<> ::greptime::v1::meta::RegionStat_ExtensionsEntry_DoNotUse* Arena::CreateMaybeMessage<::greptime::v1::meta::RegionStat_ExtensionsEntry_DoNotUse>(Arena*);
+template<> ::greptime::v1::meta::TopicStat* Arena::CreateMaybeMessage<::greptime::v1::meta::TopicStat>(Arena*);
 PROTOBUF_NAMESPACE_CLOSE
 namespace greptime {
 namespace v1 {
@@ -286,6 +290,7 @@ class HeartbeatRequest final :
 
   enum : int {
     kRegionStatsFieldNumber = 4,
+    kTopicStatsFieldNumber = 13,
     kHeaderFieldNumber = 1,
     kPeerFieldNumber = 2,
     kReportIntervalFieldNumber = 3,
@@ -316,6 +321,24 @@ class HeartbeatRequest final :
   const ::PROTOBUF_NAMESPACE_ID::RepeatedPtrField< ::greptime::v1::meta::RegionStat >&
       region_stats() const;
 
+  // repeated .greptime.v1.meta.TopicStat topic_stats = 13;
+  int topic_stats_size() const;
+  private:
+  int _internal_topic_stats_size() const;
+  public:
+  void clear_topic_stats();
+  ::greptime::v1::meta::TopicStat* mutable_topic_stats(int index);
+  ::PROTOBUF_NAMESPACE_ID::RepeatedPtrField< ::greptime::v1::meta::TopicStat >*
+      mutable_topic_stats();
+  private:
+  const ::greptime::v1::meta::TopicStat& _internal_topic_stats(int index) const;
+  ::greptime::v1::meta::TopicStat* _internal_add_topic_stats();
+  public:
+  const ::greptime::v1::meta::TopicStat& topic_stats(int index) const;
+  ::greptime::v1::meta::TopicStat* add_topic_stats();
+  const ::PROTOBUF_NAMESPACE_ID::RepeatedPtrField< ::greptime::v1::meta::TopicStat >&
+      topic_stats() const;
+
   // .greptime.v1.meta.RequestHeader header = 1;
   bool has_header() const;
   private:
@@ -513,6 +536,7 @@ class HeartbeatRequest final :
   typedef void DestructorSkippable_;
   struct Impl_ {
     ::PROTOBUF_NAMESPACE_ID::RepeatedPtrField< ::greptime::v1::meta::RegionStat > region_stats_;
+    ::PROTOBUF_NAMESPACE_ID::RepeatedPtrField< ::greptime::v1::meta::TopicStat > topic_stats_;
     ::greptime::v1::meta::RequestHeader* header_;
     ::greptime::v1::meta::Peer* peer_;
     ::greptime::v1::meta::TimeInterval* report_interval_;
@@ -1474,6 +1498,192 @@ class RegionStat final :
 };
 // -------------------------------------------------------------------
 
+class TopicStat final :
+    public ::PROTOBUF_NAMESPACE_ID::Message /* @@protoc_insertion_point(class_definition:greptime.v1.meta.TopicStat) */ {
+ public:
+  inline TopicStat() : TopicStat(nullptr) {}
+  ~TopicStat() override;
+  explicit PROTOBUF_CONSTEXPR TopicStat(::PROTOBUF_NAMESPACE_ID::internal::ConstantInitialized);
+
+  TopicStat(const TopicStat& from);
+  TopicStat(TopicStat&& from) noexcept
+    : TopicStat() {
+    *this = ::std::move(from);
+  }
+
+  inline TopicStat& operator=(const TopicStat& from) {
+    CopyFrom(from);
+    return *this;
+  }
+  inline TopicStat& operator=(TopicStat&& from) noexcept {
+    if (this == &from) return *this;
+    if (GetOwningArena() == from.GetOwningArena()
+  #ifdef PROTOBUF_FORCE_COPY_IN_MOVE
+        && GetOwningArena() != nullptr
+  #endif  // !PROTOBUF_FORCE_COPY_IN_MOVE
+    ) {
+      InternalSwap(&from);
+    } else {
+      CopyFrom(from);
+    }
+    return *this;
+  }
+
+  static const ::PROTOBUF_NAMESPACE_ID::Descriptor* descriptor() {
+    return GetDescriptor();
+  }
+  static const ::PROTOBUF_NAMESPACE_ID::Descriptor* GetDescriptor() {
+    return default_instance().GetMetadata().descriptor;
+  }
+  static const ::PROTOBUF_NAMESPACE_ID::Reflection* GetReflection() {
+    return default_instance().GetMetadata().reflection;
+  }
+  static const TopicStat& default_instance() {
+    return *internal_default_instance();
+  }
+  static inline const TopicStat* internal_default_instance() {
+    return reinterpret_cast<const TopicStat*>(
+               &_TopicStat_default_instance_);
+  }
+  static constexpr int kIndexInFileMessages =
+    7;
+
+  friend void swap(TopicStat& a, TopicStat& b) {
+    a.Swap(&b);
+  }
+  inline void Swap(TopicStat* other) {
+    if (other == this) return;
+  #ifdef PROTOBUF_FORCE_COPY_IN_SWAP
+    if (GetOwningArena() != nullptr &&
+        GetOwningArena() == other->GetOwningArena()) {
+   #else  // PROTOBUF_FORCE_COPY_IN_SWAP
+    if (GetOwningArena() == other->GetOwningArena()) {
+  #endif  // !PROTOBUF_FORCE_COPY_IN_SWAP
+      InternalSwap(other);
+    } else {
+      ::PROTOBUF_NAMESPACE_ID::internal::GenericSwap(this, other);
+    }
+  }
+  void UnsafeArenaSwap(TopicStat* other) {
+    if (other == this) return;
+    GOOGLE_DCHECK(GetOwningArena() == other->GetOwningArena());
+    InternalSwap(other);
+  }
+
+  // implements Message ----------------------------------------------
+
+  TopicStat* New(::PROTOBUF_NAMESPACE_ID::Arena* arena = nullptr) const final {
+    return CreateMaybeMessage<TopicStat>(arena);
+  }
+  using ::PROTOBUF_NAMESPACE_ID::Message::CopyFrom;
+  void CopyFrom(const TopicStat& from);
+  using ::PROTOBUF_NAMESPACE_ID::Message::MergeFrom;
+  void MergeFrom( const TopicStat& from) {
+    TopicStat::MergeImpl(*this, from);
+  }
+  private:
+  static void MergeImpl(::PROTOBUF_NAMESPACE_ID::Message& to_msg, const ::PROTOBUF_NAMESPACE_ID::Message& from_msg);
+  public:
+  PROTOBUF_ATTRIBUTE_REINITIALIZES void Clear() final;
+  bool IsInitialized() const final;
+
+  size_t ByteSizeLong() const final;
+  const char* _InternalParse(const char* ptr, ::PROTOBUF_NAMESPACE_ID::internal::ParseContext* ctx) final;
+  uint8_t* _InternalSerialize(
+      uint8_t* target, ::PROTOBUF_NAMESPACE_ID::io::EpsCopyOutputStream* stream) const final;
+  int GetCachedSize() const final { return _impl_._cached_size_.Get(); }
+
+  private:
+  void SharedCtor(::PROTOBUF_NAMESPACE_ID::Arena* arena, bool is_message_owned);
+  void SharedDtor();
+  void SetCachedSize(int size) const final;
+  void InternalSwap(TopicStat* other);
+
+  private:
+  friend class ::PROTOBUF_NAMESPACE_ID::internal::AnyMetadata;
+  static ::PROTOBUF_NAMESPACE_ID::StringPiece FullMessageName() {
+    return "greptime.v1.meta.TopicStat";
+  }
+  protected:
+  explicit TopicStat(::PROTOBUF_NAMESPACE_ID::Arena* arena,
+                       bool is_message_owned = false);
+  public:
+
+  static const ClassData _class_data_;
+  const ::PROTOBUF_NAMESPACE_ID::Message::ClassData*GetClassData() const final;
+
+  ::PROTOBUF_NAMESPACE_ID::Metadata GetMetadata() const final;
+
+  // nested types ----------------------------------------------------
+
+  // accessors -------------------------------------------------------
+
+  enum : int {
+    kTopicNameFieldNumber = 1,
+    kRecordSizeFieldNumber = 2,
+    kRecordNumFieldNumber = 3,
+    kLatestEntryIdFieldNumber = 4,
+  };
+  // string topic_name = 1;
+  void clear_topic_name();
+  const std::string& topic_name() const;
+  template <typename ArgT0 = const std::string&, typename... ArgT>
+  void set_topic_name(ArgT0&& arg0, ArgT... args);
+  std::string* mutable_topic_name();
+  PROTOBUF_NODISCARD std::string* release_topic_name();
+  void set_allocated_topic_name(std::string* topic_name);
+  private:
+  const std::string& _internal_topic_name() const;
+  inline PROTOBUF_ALWAYS_INLINE void _internal_set_topic_name(const std::string& value);
+  std::string* _internal_mutable_topic_name();
+  public:
+
+  // uint64 record_size = 2;
+  void clear_record_size();
+  uint64_t record_size() const;
+  void set_record_size(uint64_t value);
+  private:
+  uint64_t _internal_record_size() const;
+  void _internal_set_record_size(uint64_t value);
+  public:
+
+  // uint64 record_num = 3;
+  void clear_record_num();
+  uint64_t record_num() const;
+  void set_record_num(uint64_t value);
+  private:
+  uint64_t _internal_record_num() const;
+  void _internal_set_record_num(uint64_t value);
+  public:
+
+  // uint64 latest_entry_id = 4;
+  void clear_latest_entry_id();
+  uint64_t latest_entry_id() const;
+  void set_latest_entry_id(uint64_t value);
+  private:
+  uint64_t _internal_latest_entry_id() const;
+  void _internal_set_latest_entry_id(uint64_t value);
+  public:
+
+  // @@protoc_insertion_point(class_scope:greptime.v1.meta.TopicStat)
+ private:
+  class _Internal;
+
+  template <typename T> friend class ::PROTOBUF_NAMESPACE_ID::Arena::InternalHelper;
+  typedef void InternalArenaConstructable_;
+  typedef void DestructorSkippable_;
+  struct Impl_ {
+    ::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr topic_name_;
+    uint64_t record_size_;
+    uint64_t record_num_;
+    uint64_t latest_entry_id_;
+    mutable ::PROTOBUF_NAMESPACE_ID::internal::CachedSize _cached_size_;
+  };
+  union { Impl_ _impl_; };
+  friend struct ::TableStruct_greptime_2fv1_2fmeta_2fheartbeat_2eproto;
+};
+// -------------------------------------------------------------------
+
 class FlowStat_FlowStatSizeEntry_DoNotUse : public ::PROTOBUF_NAMESPACE_ID::internal::MapEntry<FlowStat_FlowStatSizeEntry_DoNotUse, 
     uint32_t, uint64_t,
     ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::TYPE_UINT32,
@@ -1570,7 +1780,7 @@ class FlowStat final :
                &_FlowStat_default_instance_);
   }
   static constexpr int kIndexInFileMessages =
-    9;
+    10;
 
   friend void swap(FlowStat& a, FlowStat& b) {
     a.Swap(&b);
@@ -1756,7 +1966,7 @@ class HeartbeatResponse final :
                &_HeartbeatResponse_default_instance_);
   }
   static constexpr int kIndexInFileMessages =
-    10;
+    11;
 
   friend void swap(HeartbeatResponse& a, HeartbeatResponse& b) {
     a.Swap(&b);
@@ -1979,7 +2189,7 @@ class GrantedRegion final :
                &_GrantedRegion_default_instance_);
   }
   static constexpr int kIndexInFileMessages =
-    12;
+    13;
 
   friend void swap(GrantedRegion& a, GrantedRegion& b) {
     a.Swap(&b);
@@ -2164,7 +2374,7 @@ class RegionLease final :
                &_RegionLease_default_instance_);
   }
   static constexpr int kIndexInFileMessages =
-    13;
+    14;
 
   friend void swap(RegionLease& a, RegionLease& b) {
     a.Swap(&b);
@@ -2368,7 +2578,7 @@ class AskLeaderRequest final :
                &_AskLeaderRequest_default_instance_);
   }
   static constexpr int kIndexInFileMessages =
-    14;
+    15;
 
   friend void swap(AskLeaderRequest& a, AskLeaderRequest& b) {
     a.Swap(&b);
@@ -2525,7 +2735,7 @@ class AskLeaderResponse final :
                &_AskLeaderResponse_default_instance_);
   }
   static constexpr int kIndexInFileMessages =
-    15;
+    16;
 
   friend void swap(AskLeaderResponse& a, AskLeaderResponse& b) {
     a.Swap(&b);
@@ -2707,7 +2917,7 @@ class MailboxMessage final :
                &_MailboxMessage_default_instance_);
   }
   static constexpr int kIndexInFileMessages =
-    16;
+    17;
 
   friend void swap(MailboxMessage& a, MailboxMessage& b) {
     a.Swap(&b);
@@ -3734,6 +3944,46 @@ inline ::greptime::v1::meta::FlownodeWorkloads* HeartbeatRequest::mutable_flowno
   return _msg;
 }
 
+// repeated .greptime.v1.meta.TopicStat topic_stats = 13;
+inline int HeartbeatRequest::_internal_topic_stats_size() const {
+  return _impl_.topic_stats_.size();
+}
+inline int HeartbeatRequest::topic_stats_size() const {
+  return _internal_topic_stats_size();
+}
+inline void HeartbeatRequest::clear_topic_stats() {
+  _impl_.topic_stats_.Clear();
+}
+inline ::greptime::v1::meta::TopicStat* HeartbeatRequest::mutable_topic_stats(int index) {
+  // @@protoc_insertion_point(field_mutable:greptime.v1.meta.HeartbeatRequest.topic_stats)
+  return _impl_.topic_stats_.Mutable(index);
+}
+inline ::PROTOBUF_NAMESPACE_ID::RepeatedPtrField< ::greptime::v1::meta::TopicStat >*
+HeartbeatRequest::mutable_topic_stats() {
+  // @@protoc_insertion_point(field_mutable_list:greptime.v1.meta.HeartbeatRequest.topic_stats)
+  return &_impl_.topic_stats_;
+}
+inline const ::greptime::v1::meta::TopicStat& HeartbeatRequest::_internal_topic_stats(int index) const {
+  return _impl_.topic_stats_.Get(index);
+}
+inline const ::greptime::v1::meta::TopicStat& HeartbeatRequest::topic_stats(int index) const {
+  // @@protoc_insertion_point(field_get:greptime.v1.meta.HeartbeatRequest.topic_stats)
+  return _internal_topic_stats(index);
+}
+inline ::greptime::v1::meta::TopicStat* HeartbeatRequest::_internal_add_topic_stats() {
+  return _impl_.topic_stats_.Add();
+}
+inline ::greptime::v1::meta::TopicStat* HeartbeatRequest::add_topic_stats() {
+  ::greptime::v1::meta::TopicStat* _add = _internal_add_topic_stats();
+  // @@protoc_insertion_point(field_add:greptime.v1.meta.HeartbeatRequest.topic_stats)
+  return _add;
+}
+inline const ::PROTOBUF_NAMESPACE_ID::RepeatedPtrField< ::greptime::v1::meta::TopicStat >&
+HeartbeatRequest::topic_stats() const {
+  // @@protoc_insertion_point(field_list:greptime.v1.meta.HeartbeatRequest.topic_stats)
+  return _impl_.topic_stats_;
+}
+
 inline bool HeartbeatRequest::has_node_workloads() const {
   return node_workloads_case() != NODE_WORKLOADS_NOT_SET;
 }
@@ -4227,6 +4477,120 @@ RegionStat::mutable_extensions() {
 
 // -------------------------------------------------------------------
 
+// TopicStat
+
+// string topic_name = 1;
+inline void TopicStat::clear_topic_name() {
+  _impl_.topic_name_.ClearToEmpty();
+}
+inline const std::string& TopicStat::topic_name() const {
+  // @@protoc_insertion_point(field_get:greptime.v1.meta.TopicStat.topic_name)
+  return _internal_topic_name();
+}
+template <typename ArgT0, typename... ArgT>
+inline PROTOBUF_ALWAYS_INLINE
+void TopicStat::set_topic_name(ArgT0&& arg0, ArgT... args) {
+ 
+ _impl_.topic_name_.Set(static_cast<ArgT0 &&>(arg0), args..., GetArenaForAllocation());
+  // @@protoc_insertion_point(field_set:greptime.v1.meta.TopicStat.topic_name)
+}
+inline std::string* TopicStat::mutable_topic_name() {
+  std::string* _s = _internal_mutable_topic_name();
+  // @@protoc_insertion_point(field_mutable:greptime.v1.meta.TopicStat.topic_name)
+  return _s;
+}
+inline const std::string& TopicStat::_internal_topic_name() const {
+  return _impl_.topic_name_.Get();
+}
+inline void TopicStat::_internal_set_topic_name(const std::string& value) {
+  
+  _impl_.topic_name_.Set(value, GetArenaForAllocation());
+}
+inline std::string* TopicStat::_internal_mutable_topic_name() {
+  
+  return _impl_.topic_name_.Mutable(GetArenaForAllocation());
+}
+inline std::string* TopicStat::release_topic_name() {
+  // @@protoc_insertion_point(field_release:greptime.v1.meta.TopicStat.topic_name)
+  return _impl_.topic_name_.Release();
+}
+inline void TopicStat::set_allocated_topic_name(std::string* topic_name) {
+  if (topic_name != nullptr) {
+    
+  } else {
+    
+  }
+  _impl_.topic_name_.SetAllocated(topic_name, GetArenaForAllocation());
+#ifdef PROTOBUF_FORCE_COPY_DEFAULT_STRING
+  if (_impl_.topic_name_.IsDefault()) {
+    _impl_.topic_name_.Set("", GetArenaForAllocation());
+  }
+#endif // PROTOBUF_FORCE_COPY_DEFAULT_STRING
+  // @@protoc_insertion_point(field_set_allocated:greptime.v1.meta.TopicStat.topic_name)
+}
+
+// uint64 record_size = 2;
+inline void TopicStat::clear_record_size() {
+  _impl_.record_size_ = uint64_t{0u};
+}
+inline uint64_t TopicStat::_internal_record_size() const {
+  return _impl_.record_size_;
+}
+inline uint64_t TopicStat::record_size() const {
+  // @@protoc_insertion_point(field_get:greptime.v1.meta.TopicStat.record_size)
+  return _internal_record_size();
+}
+inline void TopicStat::_internal_set_record_size(uint64_t value) {
+  
+  _impl_.record_size_ = value;
+}
+inline void TopicStat::set_record_size(uint64_t value) {
+  _internal_set_record_size(value);
+  // @@protoc_insertion_point(field_set:greptime.v1.meta.TopicStat.record_size)
+}
+
+// uint64 record_num = 3;
+inline void TopicStat::clear_record_num() {
+  _impl_.record_num_ = uint64_t{0u};
+}
+inline uint64_t TopicStat::_internal_record_num() const {
+  return _impl_.record_num_;
+}
+inline uint64_t TopicStat::record_num() const {
+  // @@protoc_insertion_point(field_get:greptime.v1.meta.TopicStat.record_num)
+  return _internal_record_num();
+}
+inline void TopicStat::_internal_set_record_num(uint64_t value) {
+  
+  _impl_.record_num_ = value;
+}
+inline void TopicStat::set_record_num(uint64_t value) {
+  _internal_set_record_num(value);
+  // @@protoc_insertion_point(field_set:greptime.v1.meta.TopicStat.record_num)
+}
+
+// uint64 latest_entry_id = 4;
+inline void TopicStat::clear_latest_entry_id() {
+  _impl_.latest_entry_id_ = uint64_t{0u};
+}
+inline uint64_t TopicStat::_internal_latest_entry_id() const {
+  return _impl_.latest_entry_id_;
+}
+inline uint64_t TopicStat::latest_entry_id() const {
+  // @@protoc_insertion_point(field_get:greptime.v1.meta.TopicStat.latest_entry_id)
+  return _internal_latest_entry_id();
+}
+inline void TopicStat::_internal_set_latest_entry_id(uint64_t value) {
+  
+  _impl_.latest_entry_id_ = value;
+}
+inline void TopicStat::set_latest_entry_id(uint64_t value) {
+  _internal_set_latest_entry_id(value);
+  // @@protoc_insertion_point(field_set:greptime.v1.meta.TopicStat.latest_entry_id)
+}
+
+// -------------------------------------------------------------------
+
 // -------------------------------------------------------------------
 
 // -------------------------------------------------------------------
@@ -5344,6 +5708,8 @@ inline MailboxMessage::PayloadCase MailboxMessage::payload_case() const {
 
 // -------------------------------------------------------------------
 
+// -------------------------------------------------------------------
+
 
 // @@protoc_insertion_point(namespace_scope)
 
diff --git a/go/greptime/v1/meta/heartbeat.pb.go b/go/greptime/v1/meta/heartbeat.pb.go
index 66d3106..c2e65ba 100644
--- a/go/greptime/v1/meta/heartbeat.pb.go
+++ b/go/greptime/v1/meta/heartbeat.pb.go
@@ -118,6 +118,8 @@ type HeartbeatRequest struct {
 	//	*HeartbeatRequest_Frontend
 	//	*HeartbeatRequest_Flownode
 	NodeWorkloads isHeartbeatRequest_NodeWorkloads `protobuf_oneof:"node_workloads"`
+	// The topic stats of the datanode.
+	TopicStats []*TopicStat `protobuf:"bytes,13,rep,name=topic_stats,json=topicStats,proto3" json:"topic_stats,omitempty"`
 }
 
 func (x *HeartbeatRequest) Reset() {
@@ -243,6 +245,13 @@ func (x *HeartbeatRequest) GetFlownode() *FlownodeWorkloads {
 	return nil
 }
 
+func (x *HeartbeatRequest) GetTopicStats() []*TopicStat {
+	if x != nil {
+		return x.TopicStats
+	}
+	return nil
+}
+
 type isHeartbeatRequest_NodeWorkloads interface {
 	isHeartbeatRequest_NodeWorkloads()
 }
@@ -584,6 +593,81 @@ func (x *RegionStat) GetExtensions() map[string][]byte {
 	return nil
 }
 
+type TopicStat struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// The topic name
+	TopicName string `protobuf:"bytes,1,opt,name=topic_name,json=topicName,proto3" json:"topic_name,omitempty"`
+	// The total record size appended to topic since the datanode started.
+	RecordSize uint64 `protobuf:"varint,2,opt,name=record_size,json=recordSize,proto3" json:"record_size,omitempty"`
+	// The total record number appended to topic since the datanode started.
+	RecordNum uint64 `protobuf:"varint,3,opt,name=record_num,json=recordNum,proto3" json:"record_num,omitempty"`
+	// The latest entry id of the topic.
+	LatestEntryId uint64 `protobuf:"varint,4,opt,name=latest_entry_id,json=latestEntryId,proto3" json:"latest_entry_id,omitempty"`
+}
+
+func (x *TopicStat) Reset() {
+	*x = TopicStat{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_greptime_v1_meta_heartbeat_proto_msgTypes[6]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *TopicStat) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*TopicStat) ProtoMessage() {}
+
+func (x *TopicStat) ProtoReflect() protoreflect.Message {
+	mi := &file_greptime_v1_meta_heartbeat_proto_msgTypes[6]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use TopicStat.ProtoReflect.Descriptor instead.
+func (*TopicStat) Descriptor() ([]byte, []int) {
+	return file_greptime_v1_meta_heartbeat_proto_rawDescGZIP(), []int{6}
+}
+
+func (x *TopicStat) GetTopicName() string {
+	if x != nil {
+		return x.TopicName
+	}
+	return ""
+}
+
+func (x *TopicStat) GetRecordSize() uint64 {
+	if x != nil {
+		return x.RecordSize
+	}
+	return 0
+}
+
+func (x *TopicStat) GetRecordNum() uint64 {
+	if x != nil {
+		return x.RecordNum
+	}
+	return 0
+}
+
+func (x *TopicStat) GetLatestEntryId() uint64 {
+	if x != nil {
+		return x.LatestEntryId
+	}
+	return 0
+}
+
 type FlowStat struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -599,7 +683,7 @@ type FlowStat struct {
 func (x *FlowStat) Reset() {
 	*x = FlowStat{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_greptime_v1_meta_heartbeat_proto_msgTypes[6]
+		mi := &file_greptime_v1_meta_heartbeat_proto_msgTypes[7]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -612,7 +696,7 @@ func (x *FlowStat) String() string {
 func (*FlowStat) ProtoMessage() {}
 
 func (x *FlowStat) ProtoReflect() protoreflect.Message {
-	mi := &file_greptime_v1_meta_heartbeat_proto_msgTypes[6]
+	mi := &file_greptime_v1_meta_heartbeat_proto_msgTypes[7]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -625,7 +709,7 @@ func (x *FlowStat) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use FlowStat.ProtoReflect.Descriptor instead.
 func (*FlowStat) Descriptor() ([]byte, []int) {
-	return file_greptime_v1_meta_heartbeat_proto_rawDescGZIP(), []int{6}
+	return file_greptime_v1_meta_heartbeat_proto_rawDescGZIP(), []int{7}
 }
 
 func (x *FlowStat) GetFlowStatSize() map[uint32]uint64 {
@@ -655,7 +739,7 @@ type HeartbeatResponse struct {
 func (x *HeartbeatResponse) Reset() {
 	*x = HeartbeatResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_greptime_v1_meta_heartbeat_proto_msgTypes[7]
+		mi := &file_greptime_v1_meta_heartbeat_proto_msgTypes[8]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -668,7 +752,7 @@ func (x *HeartbeatResponse) String() string {
 func (*HeartbeatResponse) ProtoMessage() {}
 
 func (x *HeartbeatResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_greptime_v1_meta_heartbeat_proto_msgTypes[7]
+	mi := &file_greptime_v1_meta_heartbeat_proto_msgTypes[8]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -681,7 +765,7 @@ func (x *HeartbeatResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use HeartbeatResponse.ProtoReflect.Descriptor instead.
 func (*HeartbeatResponse) Descriptor() ([]byte, []int) {
-	return file_greptime_v1_meta_heartbeat_proto_rawDescGZIP(), []int{7}
+	return file_greptime_v1_meta_heartbeat_proto_rawDescGZIP(), []int{8}
 }
 
 func (x *HeartbeatResponse) GetHeader() *ResponseHeader {
@@ -719,7 +803,7 @@ type GrantedRegion struct {
 func (x *GrantedRegion) Reset() {
 	*x = GrantedRegion{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_greptime_v1_meta_heartbeat_proto_msgTypes[8]
+		mi := &file_greptime_v1_meta_heartbeat_proto_msgTypes[9]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -732,7 +816,7 @@ func (x *GrantedRegion) String() string {
 func (*GrantedRegion) ProtoMessage() {}
 
 func (x *GrantedRegion) ProtoReflect() protoreflect.Message {
-	mi := &file_greptime_v1_meta_heartbeat_proto_msgTypes[8]
+	mi := &file_greptime_v1_meta_heartbeat_proto_msgTypes[9]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -745,7 +829,7 @@ func (x *GrantedRegion) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use GrantedRegion.ProtoReflect.Descriptor instead.
 func (*GrantedRegion) Descriptor() ([]byte, []int) {
-	return file_greptime_v1_meta_heartbeat_proto_rawDescGZIP(), []int{8}
+	return file_greptime_v1_meta_heartbeat_proto_rawDescGZIP(), []int{9}
 }
 
 func (x *GrantedRegion) GetRegionId() uint64 {
@@ -783,7 +867,7 @@ type RegionLease struct {
 func (x *RegionLease) Reset() {
 	*x = RegionLease{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_greptime_v1_meta_heartbeat_proto_msgTypes[9]
+		mi := &file_greptime_v1_meta_heartbeat_proto_msgTypes[10]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -796,7 +880,7 @@ func (x *RegionLease) String() string {
 func (*RegionLease) ProtoMessage() {}
 
 func (x *RegionLease) ProtoReflect() protoreflect.Message {
-	mi := &file_greptime_v1_meta_heartbeat_proto_msgTypes[9]
+	mi := &file_greptime_v1_meta_heartbeat_proto_msgTypes[10]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -809,7 +893,7 @@ func (x *RegionLease) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use RegionLease.ProtoReflect.Descriptor instead.
 func (*RegionLease) Descriptor() ([]byte, []int) {
-	return file_greptime_v1_meta_heartbeat_proto_rawDescGZIP(), []int{9}
+	return file_greptime_v1_meta_heartbeat_proto_rawDescGZIP(), []int{10}
 }
 
 func (x *RegionLease) GetRegions() []*GrantedRegion {
@@ -851,7 +935,7 @@ type AskLeaderRequest struct {
 func (x *AskLeaderRequest) Reset() {
 	*x = AskLeaderRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_greptime_v1_meta_heartbeat_proto_msgTypes[10]
+		mi := &file_greptime_v1_meta_heartbeat_proto_msgTypes[11]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -864,7 +948,7 @@ func (x *AskLeaderRequest) String() string {
 func (*AskLeaderRequest) ProtoMessage() {}
 
 func (x *AskLeaderRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_greptime_v1_meta_heartbeat_proto_msgTypes[10]
+	mi := &file_greptime_v1_meta_heartbeat_proto_msgTypes[11]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -877,7 +961,7 @@ func (x *AskLeaderRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use AskLeaderRequest.ProtoReflect.Descriptor instead.
 func (*AskLeaderRequest) Descriptor() ([]byte, []int) {
-	return file_greptime_v1_meta_heartbeat_proto_rawDescGZIP(), []int{10}
+	return file_greptime_v1_meta_heartbeat_proto_rawDescGZIP(), []int{11}
 }
 
 func (x *AskLeaderRequest) GetHeader() *RequestHeader {
@@ -899,7 +983,7 @@ type AskLeaderResponse struct {
 func (x *AskLeaderResponse) Reset() {
 	*x = AskLeaderResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_greptime_v1_meta_heartbeat_proto_msgTypes[11]
+		mi := &file_greptime_v1_meta_heartbeat_proto_msgTypes[12]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -912,7 +996,7 @@ func (x *AskLeaderResponse) String() string {
 func (*AskLeaderResponse) ProtoMessage() {}
 
 func (x *AskLeaderResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_greptime_v1_meta_heartbeat_proto_msgTypes[11]
+	mi := &file_greptime_v1_meta_heartbeat_proto_msgTypes[12]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -925,7 +1009,7 @@ func (x *AskLeaderResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use AskLeaderResponse.ProtoReflect.Descriptor instead.
 func (*AskLeaderResponse) Descriptor() ([]byte, []int) {
-	return file_greptime_v1_meta_heartbeat_proto_rawDescGZIP(), []int{11}
+	return file_greptime_v1_meta_heartbeat_proto_rawDescGZIP(), []int{12}
 }
 
 func (x *AskLeaderResponse) GetHeader() *ResponseHeader {
@@ -967,7 +1051,7 @@ type MailboxMessage struct {
 func (x *MailboxMessage) Reset() {
 	*x = MailboxMessage{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_greptime_v1_meta_heartbeat_proto_msgTypes[12]
+		mi := &file_greptime_v1_meta_heartbeat_proto_msgTypes[13]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -980,7 +1064,7 @@ func (x *MailboxMessage) String() string {
 func (*MailboxMessage) ProtoMessage() {}
 
 func (x *MailboxMessage) ProtoReflect() protoreflect.Message {
-	mi := &file_greptime_v1_meta_heartbeat_proto_msgTypes[12]
+	mi := &file_greptime_v1_meta_heartbeat_proto_msgTypes[13]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -993,7 +1077,7 @@ func (x *MailboxMessage) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use MailboxMessage.ProtoReflect.Descriptor instead.
 func (*MailboxMessage) Descriptor() ([]byte, []int) {
-	return file_greptime_v1_meta_heartbeat_proto_rawDescGZIP(), []int{12}
+	return file_greptime_v1_meta_heartbeat_proto_rawDescGZIP(), []int{13}
 }
 
 func (x *MailboxMessage) GetId() uint64 {
@@ -1063,7 +1147,7 @@ var file_greptime_v1_meta_heartbeat_proto_rawDesc = []byte{
 	0x74, 0x6f, 0x12, 0x10, 0x67, 0x72, 0x65, 0x70, 0x74, 0x69, 0x6d, 0x65, 0x2e, 0x76, 0x31, 0x2e,
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@@ -1108,153 +1192,166 @@ var file_greptime_v1_meta_heartbeat_proto_rawDesc = []byte{
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+	0x6c, 0x6c, 0x6f, 0x77, 0x65, 0x72, 0x10, 0x01, 0x12, 0x15, 0x0a, 0x11, 0x44, 0x6f, 0x77, 0x6e,
+	0x67, 0x72, 0x61, 0x64, 0x69, 0x6e, 0x67, 0x4c, 0x65, 0x61, 0x64, 0x65, 0x72, 0x10, 0x02, 0x32,
+	0xbf, 0x01, 0x0a, 0x09, 0x48, 0x65, 0x61, 0x72, 0x74, 0x62, 0x65, 0x61, 0x74, 0x12, 0x5a, 0x0a,
+	0x09, 0x48, 0x65, 0x61, 0x72, 0x74, 0x62, 0x65, 0x61, 0x74, 0x12, 0x22, 0x2e, 0x67, 0x72, 0x65,
+	0x70, 0x74, 0x69, 0x6d, 0x65, 0x2e, 0x76, 0x31, 0x2e, 0x6d, 0x65, 0x74, 0x61, 0x2e, 0x48, 0x65,
+	0x61, 0x72, 0x74, 0x62, 0x65, 0x61, 0x74, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x23,
+	0x2e, 0x67, 0x72, 0x65, 0x70, 0x74, 0x69, 0x6d, 0x65, 0x2e, 0x76, 0x31, 0x2e, 0x6d, 0x65, 0x74,
+	0x61, 0x2e, 0x48, 0x65, 0x61, 0x72, 0x74, 0x62, 0x65, 0x61, 0x74, 0x52, 0x65, 0x73, 0x70, 0x6f,
+	0x6e, 0x73, 0x65, 0x22, 0x00, 0x28, 0x01, 0x30, 0x01, 0x12, 0x56, 0x0a, 0x09, 0x41, 0x73, 0x6b,
+	0x4c, 0x65, 0x61, 0x64, 0x65, 0x72, 0x12, 0x22, 0x2e, 0x67, 0x72, 0x65, 0x70, 0x74, 0x69, 0x6d,
+	0x65, 0x2e, 0x76, 0x31, 0x2e, 0x6d, 0x65, 0x74, 0x61, 0x2e, 0x41, 0x73, 0x6b, 0x4c, 0x65, 0x61,
+	0x64, 0x65, 0x72, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x23, 0x2e, 0x67, 0x72, 0x65,
+	0x70, 0x74, 0x69, 0x6d, 0x65, 0x2e, 0x76, 0x31, 0x2e, 0x6d, 0x65, 0x74, 0x61, 0x2e, 0x41, 0x73,
+	0x6b, 0x4c, 0x65, 0x61, 0x64, 0x65, 0x72, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x22,
+	0x00, 0x42, 0x3c, 0x5a, 0x3a, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f,
+	0x47, 0x72, 0x65, 0x70, 0x74, 0x69, 0x6d, 0x65, 0x54, 0x65, 0x61, 0x6d, 0x2f, 0x67, 0x72, 0x65,
+	0x70, 0x74, 0x69, 0x6d, 0x65, 0x2d, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2f, 0x67, 0x6f, 0x2f, 0x67,
+	0x72, 0x65, 0x70, 0x74, 0x69, 0x6d, 0x65, 0x2f, 0x76, 0x31, 0x2f, 0x6d, 0x65, 0x74, 0x61, 0x62,
+	0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
@@ -1270,7 +1367,7 @@ func file_greptime_v1_meta_heartbeat_proto_rawDescGZIP() []byte {
 }
 
 var file_greptime_v1_meta_heartbeat_proto_enumTypes = make([]protoimpl.EnumInfo, 1)
-var file_greptime_v1_meta_heartbeat_proto_msgTypes = make([]protoimpl.MessageInfo, 17)
+var file_greptime_v1_meta_heartbeat_proto_msgTypes = make([]protoimpl.MessageInfo, 18)
 var file_greptime_v1_meta_heartbeat_proto_goTypes = []interface{}{
 	(RegionRole)(0),           // 0: greptime.v1.meta.RegionRole
 	(*HeartbeatRequest)(nil),  // 1: greptime.v1.meta.HeartbeatRequest
@@ -1279,55 +1376,57 @@ var file_greptime_v1_meta_heartbeat_proto_goTypes = []interface{}{
 	(*FlownodeWorkloads)(nil), // 4: greptime.v1.meta.FlownodeWorkloads
 	(*NodeInfo)(nil),          // 5: greptime.v1.meta.NodeInfo
 	(*RegionStat)(nil),        // 6: greptime.v1.meta.RegionStat
-	(*FlowStat)(nil),          // 7: greptime.v1.meta.FlowStat
-	(*HeartbeatResponse)(nil), // 8: greptime.v1.meta.HeartbeatResponse
-	(*GrantedRegion)(nil),     // 9: greptime.v1.meta.GrantedRegion
-	(*RegionLease)(nil),       // 10: greptime.v1.meta.RegionLease
-	(*AskLeaderRequest)(nil),  // 11: greptime.v1.meta.AskLeaderRequest
-	(*AskLeaderResponse)(nil), // 12: greptime.v1.meta.AskLeaderResponse
-	(*MailboxMessage)(nil),    // 13: greptime.v1.meta.MailboxMessage
-	nil,                       // 14: greptime.v1.meta.RegionStat.ExtensionsEntry
-	nil,                       // 15: greptime.v1.meta.FlowStat.FlowStatSizeEntry
-	nil,                       // 16: greptime.v1.meta.FlowStat.FlowLastExecTimeMapEntry
-	nil,                       // 17: greptime.v1.meta.GrantedRegion.ExtensionsEntry
-	(*RequestHeader)(nil),     // 18: greptime.v1.meta.RequestHeader
-	(*Peer)(nil),              // 19: greptime.v1.meta.Peer
-	(*TimeInterval)(nil),      // 20: greptime.v1.meta.TimeInterval
-	(*ResponseHeader)(nil),    // 21: greptime.v1.meta.ResponseHeader
+	(*TopicStat)(nil),         // 7: greptime.v1.meta.TopicStat
+	(*FlowStat)(nil),          // 8: greptime.v1.meta.FlowStat
+	(*HeartbeatResponse)(nil), // 9: greptime.v1.meta.HeartbeatResponse
+	(*GrantedRegion)(nil),     // 10: greptime.v1.meta.GrantedRegion
+	(*RegionLease)(nil),       // 11: greptime.v1.meta.RegionLease
+	(*AskLeaderRequest)(nil),  // 12: greptime.v1.meta.AskLeaderRequest
+	(*AskLeaderResponse)(nil), // 13: greptime.v1.meta.AskLeaderResponse
+	(*MailboxMessage)(nil),    // 14: greptime.v1.meta.MailboxMessage
+	nil,                       // 15: greptime.v1.meta.RegionStat.ExtensionsEntry
+	nil,                       // 16: greptime.v1.meta.FlowStat.FlowStatSizeEntry
+	nil,                       // 17: greptime.v1.meta.FlowStat.FlowLastExecTimeMapEntry
+	nil,                       // 18: greptime.v1.meta.GrantedRegion.ExtensionsEntry
+	(*RequestHeader)(nil),     // 19: greptime.v1.meta.RequestHeader
+	(*Peer)(nil),              // 20: greptime.v1.meta.Peer
+	(*TimeInterval)(nil),      // 21: greptime.v1.meta.TimeInterval
+	(*ResponseHeader)(nil),    // 22: greptime.v1.meta.ResponseHeader
 }
 var file_greptime_v1_meta_heartbeat_proto_depIdxs = []int32{
-	18, // 0: greptime.v1.meta.HeartbeatRequest.header:type_name -> greptime.v1.meta.RequestHeader
-	19, // 1: greptime.v1.meta.HeartbeatRequest.peer:type_name -> greptime.v1.meta.Peer
-	20, // 2: greptime.v1.meta.HeartbeatRequest.report_interval:type_name -> greptime.v1.meta.TimeInterval
+	19, // 0: greptime.v1.meta.HeartbeatRequest.header:type_name -> greptime.v1.meta.RequestHeader
+	20, // 1: greptime.v1.meta.HeartbeatRequest.peer:type_name -> greptime.v1.meta.Peer
+	21, // 2: greptime.v1.meta.HeartbeatRequest.report_interval:type_name -> greptime.v1.meta.TimeInterval
 	6,  // 3: greptime.v1.meta.HeartbeatRequest.region_stats:type_name -> greptime.v1.meta.RegionStat
-	13, // 4: greptime.v1.meta.HeartbeatRequest.mailbox_message:type_name -> greptime.v1.meta.MailboxMessage
+	14, // 4: greptime.v1.meta.HeartbeatRequest.mailbox_message:type_name -> greptime.v1.meta.MailboxMessage
 	5,  // 5: greptime.v1.meta.HeartbeatRequest.info:type_name -> greptime.v1.meta.NodeInfo
-	7,  // 6: greptime.v1.meta.HeartbeatRequest.flow_stat:type_name -> greptime.v1.meta.FlowStat
+	8,  // 6: greptime.v1.meta.HeartbeatRequest.flow_stat:type_name -> greptime.v1.meta.FlowStat
 	2,  // 7: greptime.v1.meta.HeartbeatRequest.datanode:type_name -> greptime.v1.meta.DatanodeWorkloads
 	3,  // 8: greptime.v1.meta.HeartbeatRequest.frontend:type_name -> greptime.v1.meta.FrontendWorkloads
 	4,  // 9: greptime.v1.meta.HeartbeatRequest.flownode:type_name -> greptime.v1.meta.FlownodeWorkloads
-	0,  // 10: greptime.v1.meta.RegionStat.role:type_name -> greptime.v1.meta.RegionRole
-	14, // 11: greptime.v1.meta.RegionStat.extensions:type_name -> greptime.v1.meta.RegionStat.ExtensionsEntry
-	15, // 12: greptime.v1.meta.FlowStat.flow_stat_size:type_name -> greptime.v1.meta.FlowStat.FlowStatSizeEntry
-	16, // 13: greptime.v1.meta.FlowStat.flow_last_exec_time_map:type_name -> greptime.v1.meta.FlowStat.FlowLastExecTimeMapEntry
-	21, // 14: greptime.v1.meta.HeartbeatResponse.header:type_name -> greptime.v1.meta.ResponseHeader
-	13, // 15: greptime.v1.meta.HeartbeatResponse.mailbox_message:type_name -> greptime.v1.meta.MailboxMessage
-	10, // 16: greptime.v1.meta.HeartbeatResponse.region_lease:type_name -> greptime.v1.meta.RegionLease
-	0,  // 17: greptime.v1.meta.GrantedRegion.role:type_name -> greptime.v1.meta.RegionRole
-	17, // 18: greptime.v1.meta.GrantedRegion.extensions:type_name -> greptime.v1.meta.GrantedRegion.ExtensionsEntry
-	9,  // 19: greptime.v1.meta.RegionLease.regions:type_name -> greptime.v1.meta.GrantedRegion
-	18, // 20: greptime.v1.meta.AskLeaderRequest.header:type_name -> greptime.v1.meta.RequestHeader
-	21, // 21: greptime.v1.meta.AskLeaderResponse.header:type_name -> greptime.v1.meta.ResponseHeader
-	19, // 22: greptime.v1.meta.AskLeaderResponse.leader:type_name -> greptime.v1.meta.Peer
-	1,  // 23: greptime.v1.meta.Heartbeat.Heartbeat:input_type -> greptime.v1.meta.HeartbeatRequest
-	11, // 24: greptime.v1.meta.Heartbeat.AskLeader:input_type -> greptime.v1.meta.AskLeaderRequest
-	8,  // 25: greptime.v1.meta.Heartbeat.Heartbeat:output_type -> greptime.v1.meta.HeartbeatResponse
-	12, // 26: greptime.v1.meta.Heartbeat.AskLeader:output_type -> greptime.v1.meta.AskLeaderResponse
-	25, // [25:27] is the sub-list for method output_type
-	23, // [23:25] is the sub-list for method input_type
-	23, // [23:23] is the sub-list for extension type_name
-	23, // [23:23] is the sub-list for extension extendee
-	0,  // [0:23] is the sub-list for field type_name
+	7,  // 10: greptime.v1.meta.HeartbeatRequest.topic_stats:type_name -> greptime.v1.meta.TopicStat
+	0,  // 11: greptime.v1.meta.RegionStat.role:type_name -> greptime.v1.meta.RegionRole
+	15, // 12: greptime.v1.meta.RegionStat.extensions:type_name -> greptime.v1.meta.RegionStat.ExtensionsEntry
+	16, // 13: greptime.v1.meta.FlowStat.flow_stat_size:type_name -> greptime.v1.meta.FlowStat.FlowStatSizeEntry
+	17, // 14: greptime.v1.meta.FlowStat.flow_last_exec_time_map:type_name -> greptime.v1.meta.FlowStat.FlowLastExecTimeMapEntry
+	22, // 15: greptime.v1.meta.HeartbeatResponse.header:type_name -> greptime.v1.meta.ResponseHeader
+	14, // 16: greptime.v1.meta.HeartbeatResponse.mailbox_message:type_name -> greptime.v1.meta.MailboxMessage
+	11, // 17: greptime.v1.meta.HeartbeatResponse.region_lease:type_name -> greptime.v1.meta.RegionLease
+	0,  // 18: greptime.v1.meta.GrantedRegion.role:type_name -> greptime.v1.meta.RegionRole
+	18, // 19: greptime.v1.meta.GrantedRegion.extensions:type_name -> greptime.v1.meta.GrantedRegion.ExtensionsEntry
+	10, // 20: greptime.v1.meta.RegionLease.regions:type_name -> greptime.v1.meta.GrantedRegion
+	19, // 21: greptime.v1.meta.AskLeaderRequest.header:type_name -> greptime.v1.meta.RequestHeader
+	22, // 22: greptime.v1.meta.AskLeaderResponse.header:type_name -> greptime.v1.meta.ResponseHeader
+	20, // 23: greptime.v1.meta.AskLeaderResponse.leader:type_name -> greptime.v1.meta.Peer
+	1,  // 24: greptime.v1.meta.Heartbeat.Heartbeat:input_type -> greptime.v1.meta.HeartbeatRequest
+	12, // 25: greptime.v1.meta.Heartbeat.AskLeader:input_type -> greptime.v1.meta.AskLeaderRequest
+	9,  // 26: greptime.v1.meta.Heartbeat.Heartbeat:output_type -> greptime.v1.meta.HeartbeatResponse
+	13, // 27: greptime.v1.meta.Heartbeat.AskLeader:output_type -> greptime.v1.meta.AskLeaderResponse
+	26, // [26:28] is the sub-list for method output_type
+	24, // [24:26] is the sub-list for method input_type
+	24, // [24:24] is the sub-list for extension type_name
+	24, // [24:24] is the sub-list for extension extendee
+	0,  // [0:24] is the sub-list for field type_name
 }
 
 func init() { file_greptime_v1_meta_heartbeat_proto_init() }
@@ -1410,7 +1509,7 @@ func file_greptime_v1_meta_heartbeat_proto_init() {
 			}
 		}
 		file_greptime_v1_meta_heartbeat_proto_msgTypes[6].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*FlowStat); i {
+			switch v := v.(*TopicStat); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1422,7 +1521,7 @@ func file_greptime_v1_meta_heartbeat_proto_init() {
 			}
 		}
 		file_greptime_v1_meta_heartbeat_proto_msgTypes[7].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*HeartbeatResponse); i {
+			switch v := v.(*FlowStat); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1434,7 +1533,7 @@ func file_greptime_v1_meta_heartbeat_proto_init() {
 			}
 		}
 		file_greptime_v1_meta_heartbeat_proto_msgTypes[8].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*GrantedRegion); i {
+			switch v := v.(*HeartbeatResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1446,7 +1545,7 @@ func file_greptime_v1_meta_heartbeat_proto_init() {
 			}
 		}
 		file_greptime_v1_meta_heartbeat_proto_msgTypes[9].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*RegionLease); i {
+			switch v := v.(*GrantedRegion); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1458,7 +1557,7 @@ func file_greptime_v1_meta_heartbeat_proto_init() {
 			}
 		}
 		file_greptime_v1_meta_heartbeat_proto_msgTypes[10].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*AskLeaderRequest); i {
+			switch v := v.(*RegionLease); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1470,7 +1569,7 @@ func file_greptime_v1_meta_heartbeat_proto_init() {
 			}
 		}
 		file_greptime_v1_meta_heartbeat_proto_msgTypes[11].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*AskLeaderResponse); i {
+			switch v := v.(*AskLeaderRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1482,6 +1581,18 @@ func file_greptime_v1_meta_heartbeat_proto_init() {
 			}
 		}
 		file_greptime_v1_meta_heartbeat_proto_msgTypes[12].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*AskLeaderResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_greptime_v1_meta_heartbeat_proto_msgTypes[13].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*MailboxMessage); i {
 			case 0:
 				return &v.state
@@ -1499,7 +1610,7 @@ func file_greptime_v1_meta_heartbeat_proto_init() {
 		(*HeartbeatRequest_Frontend)(nil),
 		(*HeartbeatRequest_Flownode)(nil),
 	}
-	file_greptime_v1_meta_heartbeat_proto_msgTypes[12].OneofWrappers = []interface{}{
+	file_greptime_v1_meta_heartbeat_proto_msgTypes[13].OneofWrappers = []interface{}{
 		(*MailboxMessage_Json)(nil),
 	}
 	type x struct{}
@@ -1508,7 +1619,7 @@ func file_greptime_v1_meta_heartbeat_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_greptime_v1_meta_heartbeat_proto_rawDesc,
 			NumEnums:      1,
-			NumMessages:   17,
+			NumMessages:   18,
 			NumExtensions: 0,
 			NumServices:   1,
 		},
diff --git a/java/src/main/java/greptime/v1/meta/HeartbeatOuterClass.java b/java/src/main/java/greptime/v1/meta/HeartbeatOuterClass.java
index 4b3908b..b483715 100644
--- a/java/src/main/java/greptime/v1/meta/HeartbeatOuterClass.java
+++ b/java/src/main/java/greptime/v1/meta/HeartbeatOuterClass.java
@@ -400,6 +400,50 @@ public final class HeartbeatOuterClass {
      */
     greptime.v1.meta.HeartbeatOuterClass.FlownodeWorkloadsOrBuilder getFlownodeOrBuilder();
 
+    /**
+     * <pre>
+     * The topic stats of the datanode.
+     * </pre>
+     *
+     * <code>repeated .greptime.v1.meta.TopicStat topic_stats = 13;</code>
+     */
+    java.util.List<greptime.v1.meta.HeartbeatOuterClass.TopicStat> 
+        getTopicStatsList();
+    /**
+     * <pre>
+     * The topic stats of the datanode.
+     * </pre>
+     *
+     * <code>repeated .greptime.v1.meta.TopicStat topic_stats = 13;</code>
+     */
+    greptime.v1.meta.HeartbeatOuterClass.TopicStat getTopicStats(int index);
+    /**
+     * <pre>
+     * The topic stats of the datanode.
+     * </pre>
+     *
+     * <code>repeated .greptime.v1.meta.TopicStat topic_stats = 13;</code>
+     */
+    int getTopicStatsCount();
+    /**
+     * <pre>
+     * The topic stats of the datanode.
+     * </pre>
+     *
+     * <code>repeated .greptime.v1.meta.TopicStat topic_stats = 13;</code>
+     */
+    java.util.List<? extends greptime.v1.meta.HeartbeatOuterClass.TopicStatOrBuilder> 
+        getTopicStatsOrBuilderList();
+    /**
+     * <pre>
+     * The topic stats of the datanode.
+     * </pre>
+     *
+     * <code>repeated .greptime.v1.meta.TopicStat topic_stats = 13;</code>
+     */
+    greptime.v1.meta.HeartbeatOuterClass.TopicStatOrBuilder getTopicStatsOrBuilder(
+        int index);
+
     public greptime.v1.meta.HeartbeatOuterClass.HeartbeatRequest.NodeWorkloadsCase getNodeWorkloadsCase();
   }
   /**
@@ -416,6 +460,7 @@ public final class HeartbeatOuterClass {
     }
     private HeartbeatRequest() {
       regionStats_ = java.util.Collections.emptyList();
+      topicStats_ = java.util.Collections.emptyList();
     }
 
     @java.lang.Override
@@ -588,6 +633,15 @@ public final class HeartbeatOuterClass {
               nodeWorkloadsCase_ = 12;
               break;
             }
+            case 106: {
+              if (!((mutable_bitField0_ & 0x00000002) != 0)) {
+                topicStats_ = new java.util.ArrayList<greptime.v1.meta.HeartbeatOuterClass.TopicStat>();
+                mutable_bitField0_ |= 0x00000002;
+              }
+              topicStats_.add(
+                  input.readMessage(greptime.v1.meta.HeartbeatOuterClass.TopicStat.parser(), extensionRegistry));
+              break;
+            }
             default: {
               if (!parseUnknownField(
                   input, unknownFields, extensionRegistry, tag)) {
@@ -608,6 +662,9 @@ public final class HeartbeatOuterClass {
         if (((mutable_bitField0_ & 0x00000001) != 0)) {
           regionStats_ = java.util.Collections.unmodifiableList(regionStats_);
         }
+        if (((mutable_bitField0_ & 0x00000002) != 0)) {
+          topicStats_ = java.util.Collections.unmodifiableList(topicStats_);
+        }
         this.unknownFields = unknownFields.build();
         makeExtensionsImmutable();
       }
@@ -1043,6 +1100,66 @@ public final class HeartbeatOuterClass {
       return greptime.v1.meta.HeartbeatOuterClass.FlownodeWorkloads.getDefaultInstance();
     }
 
+    public static final int TOPIC_STATS_FIELD_NUMBER = 13;
+    private java.util.List<greptime.v1.meta.HeartbeatOuterClass.TopicStat> topicStats_;
+    /**
+     * <pre>
+     * The topic stats of the datanode.
+     * </pre>
+     *
+     * <code>repeated .greptime.v1.meta.TopicStat topic_stats = 13;</code>
+     */
+    @java.lang.Override
+    public java.util.List<greptime.v1.meta.HeartbeatOuterClass.TopicStat> getTopicStatsList() {
+      return topicStats_;
+    }
+    /**
+     * <pre>
+     * The topic stats of the datanode.
+     * </pre>
+     *
+     * <code>repeated .greptime.v1.meta.TopicStat topic_stats = 13;</code>
+     */
+    @java.lang.Override
+    public java.util.List<? extends greptime.v1.meta.HeartbeatOuterClass.TopicStatOrBuilder> 
+        getTopicStatsOrBuilderList() {
+      return topicStats_;
+    }
+    /**
+     * <pre>
+     * The topic stats of the datanode.
+     * </pre>
+     *
+     * <code>repeated .greptime.v1.meta.TopicStat topic_stats = 13;</code>
+     */
+    @java.lang.Override
+    public int getTopicStatsCount() {
+      return topicStats_.size();
+    }
+    /**
+     * <pre>
+     * The topic stats of the datanode.
+     * </pre>
+     *
+     * <code>repeated .greptime.v1.meta.TopicStat topic_stats = 13;</code>
+     */
+    @java.lang.Override
+    public greptime.v1.meta.HeartbeatOuterClass.TopicStat getTopicStats(int index) {
+      return topicStats_.get(index);
+    }
+    /**
+     * <pre>
+     * The topic stats of the datanode.
+     * </pre>
+     *
+     * <code>repeated .greptime.v1.meta.TopicStat topic_stats = 13;</code>
+     */
+    @java.lang.Override
+    public greptime.v1.meta.HeartbeatOuterClass.TopicStatOrBuilder getTopicStatsOrBuilder(
+        int index) {
+      return topicStats_.get(index);
+    }
+
     private byte memoizedIsInitialized = -1;
     @java.lang.Override
     public final boolean isInitialized() {
@@ -1093,6 +1210,9 @@ public final class HeartbeatOuterClass {
       if (nodeWorkloadsCase_ == 12) {
         output.writeMessage(12, (greptime.v1.meta.HeartbeatOuterClass.FlownodeWorkloads) nodeWorkloads_);
       }
+      for (int i = 0; i < topicStats_.size(); i++) {
+        output.writeMessage(13, topicStats_.get(i));
+      }
       unknownFields.writeTo(output);
     }
 
@@ -1150,6 +1270,10 @@ public final class HeartbeatOuterClass {
         size += com.google.protobuf.CodedOutputStream
           .computeMessageSize(12, (greptime.v1.meta.HeartbeatOuterClass.FlownodeWorkloads) nodeWorkloads_);
       }
+      for (int i = 0; i < topicStats_.size(); i++) {
+        size += com.google.protobuf.CodedOutputStream
+          .computeMessageSize(13, topicStats_.get(i));
+      }
       size += unknownFields.getSerializedSize();
       memoizedSize = size;
       return size;
@@ -1201,6 +1325,8 @@ public final class HeartbeatOuterClass {
         if (!getFlowStat()
             .equals(other.getFlowStat())) return false;
       }
+      if (!getTopicStatsList()
+          .equals(other.getTopicStatsList())) return false;
       if (!getNodeWorkloadsCase().equals(other.getNodeWorkloadsCase())) return false;
       switch (nodeWorkloadsCase_) {
         case 10:
@@ -1263,6 +1389,10 @@ public final class HeartbeatOuterClass {
         hash = (37 * hash) + FLOW_STAT_FIELD_NUMBER;
         hash = (53 * hash) + getFlowStat().hashCode();
       }
+      if (getTopicStatsCount() > 0) {
+        hash = (37 * hash) + TOPIC_STATS_FIELD_NUMBER;
+        hash = (53 * hash) + getTopicStatsList().hashCode();
+      }
       switch (nodeWorkloadsCase_) {
         case 10:
           hash = (37 * hash) + DATANODE_FIELD_NUMBER;
@@ -1408,6 +1538,7 @@ public final class HeartbeatOuterClass {
         if (com.google.protobuf.GeneratedMessageV3
                 .alwaysUseFieldBuilders) {
           getRegionStatsFieldBuilder();
+          getTopicStatsFieldBuilder();
         }
       }
       @java.lang.Override
@@ -1459,6 +1590,12 @@ public final class HeartbeatOuterClass {
           flowStat_ = null;
           flowStatBuilder_ = null;
         }
+        if (topicStatsBuilder_ == null) {
+          topicStats_ = java.util.Collections.emptyList();
+          bitField0_ = (bitField0_ & ~0x00000002);
+        } else {
+          topicStatsBuilder_.clear();
+        }
         nodeWorkloadsCase_ = 0;
         nodeWorkloads_ = null;
         return this;
@@ -1550,6 +1687,15 @@ public final class HeartbeatOuterClass {
             result.nodeWorkloads_ = flownodeBuilder_.build();
           }
         }
+        if (topicStatsBuilder_ == null) {
+          if (((bitField0_ & 0x00000002) != 0)) {
+            topicStats_ = java.util.Collections.unmodifiableList(topicStats_);
+            bitField0_ = (bitField0_ & ~0x00000002);
+          }
+          result.topicStats_ = topicStats_;
+        } else {
+          result.topicStats_ = topicStatsBuilder_.build();
+        }
         result.nodeWorkloadsCase_ = nodeWorkloadsCase_;
         onBuilt();
         return result;
@@ -1649,6 +1795,32 @@ public final class HeartbeatOuterClass {
         if (other.hasFlowStat()) {
           mergeFlowStat(other.getFlowStat());
         }
+        if (topicStatsBuilder_ == null) {
+          if (!other.topicStats_.isEmpty()) {
+            if (topicStats_.isEmpty()) {
+              topicStats_ = other.topicStats_;
+              bitField0_ = (bitField0_ & ~0x00000002);
+            } else {
+              ensureTopicStatsIsMutable();
+              topicStats_.addAll(other.topicStats_);
+            }
+            onChanged();
+          }
+        } else {
+          if (!other.topicStats_.isEmpty()) {
+            if (topicStatsBuilder_.isEmpty()) {
+              topicStatsBuilder_.dispose();
+              topicStatsBuilder_ = null;
+              topicStats_ = other.topicStats_;
+              bitField0_ = (bitField0_ & ~0x00000002);
+              topicStatsBuilder_ = 
+                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders ?
+                   getTopicStatsFieldBuilder() : null;
+            } else {
+              topicStatsBuilder_.addAllMessages(other.topicStats_);
+            }
+          }
+        }
         switch (other.getNodeWorkloadsCase()) {
           case DATANODE: {
             mergeDatanode(other.getDatanode());
@@ -3356,6 +3528,318 @@ public final class HeartbeatOuterClass {
         onChanged();;
         return flownodeBuilder_;
       }
+
+      private java.util.List<greptime.v1.meta.HeartbeatOuterClass.TopicStat> topicStats_ =
+        java.util.Collections.emptyList();
+      private void ensureTopicStatsIsMutable() {
+        if (!((bitField0_ & 0x00000002) != 0)) {
+          topicStats_ = new java.util.ArrayList<greptime.v1.meta.HeartbeatOuterClass.TopicStat>(topicStats_);
+          bitField0_ |= 0x00000002;
+         }
+      }
+
+      private com.google.protobuf.RepeatedFieldBuilderV3<
+          greptime.v1.meta.HeartbeatOuterClass.TopicStat, greptime.v1.meta.HeartbeatOuterClass.TopicStat.Builder, greptime.v1.meta.HeartbeatOuterClass.TopicStatOrBuilder> topicStatsBuilder_;
+
+      /**
+       * <pre>
+       * The topic stats of the datanode.
+       * </pre>
+       *
+       * <code>repeated .greptime.v1.meta.TopicStat topic_stats = 13;</code>
+       */
+      public java.util.List<greptime.v1.meta.HeartbeatOuterClass.TopicStat> getTopicStatsList() {
+        if (topicStatsBuilder_ == null) {
+          return java.util.Collections.unmodifiableList(topicStats_);
+        } else {
+          return topicStatsBuilder_.getMessageList();
+        }
+      }
+      /**
+       * <pre>
+       * The topic stats of the datanode.
+       * </pre>
+       *
+       * <code>repeated .greptime.v1.meta.TopicStat topic_stats = 13;</code>
+       */
+      public int getTopicStatsCount() {
+        if (topicStatsBuilder_ == null) {
+          return topicStats_.size();
+        } else {
+          return topicStatsBuilder_.getCount();
+        }
+      }
+      /**
+       * <pre>
+       * The topic stats of the datanode.
+       * </pre>
+       *
+       * <code>repeated .greptime.v1.meta.TopicStat topic_stats = 13;</code>
+       */
+      public greptime.v1.meta.HeartbeatOuterClass.TopicStat getTopicStats(int index) {
+        if (topicStatsBuilder_ == null) {
+          return topicStats_.get(index);
+        } else {
+          return topicStatsBuilder_.getMessage(index);
+        }
+      }
+      /**
+       * <pre>
+       * The topic stats of the datanode.
+       * </pre>
+       *
+       * <code>repeated .greptime.v1.meta.TopicStat topic_stats = 13;</code>
+       */
+      public Builder setTopicStats(
+          int index, greptime.v1.meta.HeartbeatOuterClass.TopicStat value) {
+        if (topicStatsBuilder_ == null) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          ensureTopicStatsIsMutable();
+          topicStats_.set(index, value);
+          onChanged();
+        } else {
+          topicStatsBuilder_.setMessage(index, value);
+        }
+        return this;
+      }
+      /**
+       * <pre>
+       * The topic stats of the datanode.
+       * </pre>
+       *
+       * <code>repeated .greptime.v1.meta.TopicStat topic_stats = 13;</code>
+       */
+      public Builder setTopicStats(
+          int index, greptime.v1.meta.HeartbeatOuterClass.TopicStat.Builder builderForValue) {
+        if (topicStatsBuilder_ == null) {
+          ensureTopicStatsIsMutable();
+          topicStats_.set(index, builderForValue.build());
+          onChanged();
+        } else {
+          topicStatsBuilder_.setMessage(index, builderForValue.build());
+        }
+        return this;
+      }
+      /**
+       * <pre>
+       * The topic stats of the datanode.
+       * </pre>
+       *
+       * <code>repeated .greptime.v1.meta.TopicStat topic_stats = 13;</code>
+       */
+      public Builder addTopicStats(greptime.v1.meta.HeartbeatOuterClass.TopicStat value) {
+        if (topicStatsBuilder_ == null) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          ensureTopicStatsIsMutable();
+          topicStats_.add(value);
+          onChanged();
+        } else {
+          topicStatsBuilder_.addMessage(value);
+        }
+        return this;
+      }
+      /**
+       * <pre>
+       * The topic stats of the datanode.
+       * </pre>
+       *
+       * <code>repeated .greptime.v1.meta.TopicStat topic_stats = 13;</code>
+       */
+      public Builder addTopicStats(
+          int index, greptime.v1.meta.HeartbeatOuterClass.TopicStat value) {
+        if (topicStatsBuilder_ == null) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          ensureTopicStatsIsMutable();
+          topicStats_.add(index, value);
+          onChanged();
+        } else {
+          topicStatsBuilder_.addMessage(index, value);
+        }
+        return this;
+      }
+      /**
+       * <pre>
+       * The topic stats of the datanode.
+       * </pre>
+       *
+       * <code>repeated .greptime.v1.meta.TopicStat topic_stats = 13;</code>
+       */
+      public Builder addTopicStats(
+          greptime.v1.meta.HeartbeatOuterClass.TopicStat.Builder builderForValue) {
+        if (topicStatsBuilder_ == null) {
+          ensureTopicStatsIsMutable();
+          topicStats_.add(builderForValue.build());
+          onChanged();
+        } else {
+          topicStatsBuilder_.addMessage(builderForValue.build());
+        }
+        return this;
+      }
+      /**
+       * <pre>
+       * The topic stats of the datanode.
+       * </pre>
+       *
+       * <code>repeated .greptime.v1.meta.TopicStat topic_stats = 13;</code>
+       */
+      public Builder addTopicStats(
+          int index, greptime.v1.meta.HeartbeatOuterClass.TopicStat.Builder builderForValue) {
+        if (topicStatsBuilder_ == null) {
+          ensureTopicStatsIsMutable();
+          topicStats_.add(index, builderForValue.build());
+          onChanged();
+        } else {
+          topicStatsBuilder_.addMessage(index, builderForValue.build());
+        }
+        return this;
+      }
+      /**
+       * <pre>
+       * The topic stats of the datanode.
+       * </pre>
+       *
+       * <code>repeated .greptime.v1.meta.TopicStat topic_stats = 13;</code>
+       */
+      public Builder addAllTopicStats(
+          java.lang.Iterable<? extends greptime.v1.meta.HeartbeatOuterClass.TopicStat> values) {
+        if (topicStatsBuilder_ == null) {
+          ensureTopicStatsIsMutable();
+          com.google.protobuf.AbstractMessageLite.Builder.addAll(
+              values, topicStats_);
+          onChanged();
+        } else {
+          topicStatsBuilder_.addAllMessages(values);
+        }
+        return this;
+      }
+      /**
+       * <pre>
+       * The topic stats of the datanode.
+       * </pre>
+       *
+       * <code>repeated .greptime.v1.meta.TopicStat topic_stats = 13;</code>
+       */
+      public Builder clearTopicStats() {
+        if (topicStatsBuilder_ == null) {
+          topicStats_ = java.util.Collections.emptyList();
+          bitField0_ = (bitField0_ & ~0x00000002);
+          onChanged();
+        } else {
+          topicStatsBuilder_.clear();
+        }
+        return this;
+      }
+      /**
+       * <pre>
+       * The topic stats of the datanode.
+       * </pre>
+       *
+       * <code>repeated .greptime.v1.meta.TopicStat topic_stats = 13;</code>
+       */
+      public Builder removeTopicStats(int index) {
+        if (topicStatsBuilder_ == null) {
+          ensureTopicStatsIsMutable();
+          topicStats_.remove(index);
+          onChanged();
+        } else {
+          topicStatsBuilder_.remove(index);
+        }
+        return this;
+      }
+      /**
+       * <pre>
+       * The topic stats of the datanode.
+       * </pre>
+       *
+       * <code>repeated .greptime.v1.meta.TopicStat topic_stats = 13;</code>
+       */
+      public greptime.v1.meta.HeartbeatOuterClass.TopicStat.Builder getTopicStatsBuilder(
+          int index) {
+        return getTopicStatsFieldBuilder().getBuilder(index);
+      }
+      /**
+       * <pre>
+       * The topic stats of the datanode.
+       * </pre>
+       *
+       * <code>repeated .greptime.v1.meta.TopicStat topic_stats = 13;</code>
+       */
+      public greptime.v1.meta.HeartbeatOuterClass.TopicStatOrBuilder getTopicStatsOrBuilder(
+          int index) {
+        if (topicStatsBuilder_ == null) {
+          return topicStats_.get(index);  } else {
+          return topicStatsBuilder_.getMessageOrBuilder(index);
+        }
+      }
+      /**
+       * <pre>
+       * The topic stats of the datanode.
+       * </pre>
+       *
+       * <code>repeated .greptime.v1.meta.TopicStat topic_stats = 13;</code>
+       */
+      public java.util.List<? extends greptime.v1.meta.HeartbeatOuterClass.TopicStatOrBuilder> 
+           getTopicStatsOrBuilderList() {
+        if (topicStatsBuilder_ != null) {
+          return topicStatsBuilder_.getMessageOrBuilderList();
+        } else {
+          return java.util.Collections.unmodifiableList(topicStats_);
+        }
+      }
+      /**
+       * <pre>
+       * The topic stats of the datanode.
+       * </pre>
+       *
+       * <code>repeated .greptime.v1.meta.TopicStat topic_stats = 13;</code>
+       */
+      public greptime.v1.meta.HeartbeatOuterClass.TopicStat.Builder addTopicStatsBuilder() {
+        return getTopicStatsFieldBuilder().addBuilder(
+            greptime.v1.meta.HeartbeatOuterClass.TopicStat.getDefaultInstance());
+      }
+      /**
+       * <pre>
+       * The topic stats of the datanode.
+       * </pre>
+       *
+       * <code>repeated .greptime.v1.meta.TopicStat topic_stats = 13;</code>
+       */
+      public greptime.v1.meta.HeartbeatOuterClass.TopicStat.Builder addTopicStatsBuilder(
+          int index) {
+        return getTopicStatsFieldBuilder().addBuilder(
+            index, greptime.v1.meta.HeartbeatOuterClass.TopicStat.getDefaultInstance());
+      }
+      /**
+       * <pre>
+       * The topic stats of the datanode.
+       * </pre>
+       *
+       * <code>repeated .greptime.v1.meta.TopicStat topic_stats = 13;</code>
+       */
+      public java.util.List<greptime.v1.meta.HeartbeatOuterClass.TopicStat.Builder> 
+           getTopicStatsBuilderList() {
+        return getTopicStatsFieldBuilder().getBuilderList();
+      }
+      private com.google.protobuf.RepeatedFieldBuilderV3<
+          greptime.v1.meta.HeartbeatOuterClass.TopicStat, greptime.v1.meta.HeartbeatOuterClass.TopicStat.Builder, greptime.v1.meta.HeartbeatOuterClass.TopicStatOrBuilder> 
+          getTopicStatsFieldBuilder() {
+        if (topicStatsBuilder_ == null) {
+          topicStatsBuilder_ = new com.google.protobuf.RepeatedFieldBuilderV3<
+              greptime.v1.meta.HeartbeatOuterClass.TopicStat, greptime.v1.meta.HeartbeatOuterClass.TopicStat.Builder, greptime.v1.meta.HeartbeatOuterClass.TopicStatOrBuilder>(
+                  topicStats_,
+                  ((bitField0_ & 0x00000002) != 0),
+                  getParentForChildren(),
+                  isClean());
+          topicStats_ = null;
+        }
+        return topicStatsBuilder_;
+      }
       @java.lang.Override
       public final Builder setUnknownFields(
           final com.google.protobuf.UnknownFieldSet unknownFields) {
@@ -7675,6 +8159,885 @@ com.google.protobuf.ByteString defaultValue);
 
   }
 
+  public interface TopicStatOrBuilder extends
+      // @@protoc_insertion_point(interface_extends:greptime.v1.meta.TopicStat)
+      com.google.protobuf.MessageOrBuilder {
+
+    /**
+     * <pre>
+     * The topic name
+     * </pre>
+     *
+     * <code>string topic_name = 1;</code>
+     * @return The topicName.
+     */
+    java.lang.String getTopicName();
+    /**
+     * <pre>
+     * The topic name
+     * </pre>
+     *
+     * <code>string topic_name = 1;</code>
+     * @return The bytes for topicName.
+     */
+    com.google.protobuf.ByteString
+        getTopicNameBytes();
+
+    /**
+     * <pre>
+     * The total record size appended to topic since the datanode started.
+     * </pre>
+     *
+     * <code>uint64 record_size = 2;</code>
+     * @return The recordSize.
+     */
+    long getRecordSize();
+
+    /**
+     * <pre>
+     * The total record number appended to topic since the datanode started.
+     * </pre>
+     *
+     * <code>uint64 record_num = 3;</code>
+     * @return The recordNum.
+     */
+    long getRecordNum();
+
+    /**
+     * <pre>
+     * The latest entry id of the topic.
+     * </pre>
+     *
+     * <code>uint64 latest_entry_id = 4;</code>
+     * @return The latestEntryId.
+     */
+    long getLatestEntryId();
+  }
+  /**
+   * Protobuf type {@code greptime.v1.meta.TopicStat}
+   */
+  public static final class TopicStat extends
+      com.google.protobuf.GeneratedMessageV3 implements
+      // @@protoc_insertion_point(message_implements:greptime.v1.meta.TopicStat)
+      TopicStatOrBuilder {
+  private static final long serialVersionUID = 0L;
+    // Use TopicStat.newBuilder() to construct.
+    private TopicStat(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+      super(builder);
+    }
+    private TopicStat() {
+      topicName_ = "";
+    }
+
+    @java.lang.Override
+    @SuppressWarnings({"unused"})
+    protected java.lang.Object newInstance(
+        UnusedPrivateParameter unused) {
+      return new TopicStat();
+    }
+
+    @java.lang.Override
+    public final com.google.protobuf.UnknownFieldSet
+    getUnknownFields() {
+      return this.unknownFields;
+    }
+    private TopicStat(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      this();
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      com.google.protobuf.UnknownFieldSet.Builder unknownFields =
+          com.google.protobuf.UnknownFieldSet.newBuilder();
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 10: {
+              java.lang.String s = input.readStringRequireUtf8();
+
+              topicName_ = s;
+              break;
+            }
+            case 16: {
+
+              recordSize_ = input.readUInt64();
+              break;
+            }
+            case 24: {
+
+              recordNum_ = input.readUInt64();
+              break;
+            }
+            case 32: {
+
+              latestEntryId_ = input.readUInt64();
+              break;
+            }
+            default: {
+              if (!parseUnknownField(
+                  input, unknownFields, extensionRegistry, tag)) {
+                done = true;
+              }
+              break;
+            }
+          }
+        }
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(this);
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(this);
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(
+            e).setUnfinishedMessage(this);
+      } finally {
+        this.unknownFields = unknownFields.build();
+        makeExtensionsImmutable();
+      }
+    }
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return greptime.v1.meta.HeartbeatOuterClass.internal_static_greptime_v1_meta_TopicStat_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return greptime.v1.meta.HeartbeatOuterClass.internal_static_greptime_v1_meta_TopicStat_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              greptime.v1.meta.HeartbeatOuterClass.TopicStat.class, greptime.v1.meta.HeartbeatOuterClass.TopicStat.Builder.class);
+    }
+
+    public static final int TOPIC_NAME_FIELD_NUMBER = 1;
+    private volatile java.lang.Object topicName_;
+    /**
+     * <pre>
+     * The topic name
+     * </pre>
+     *
+     * <code>string topic_name = 1;</code>
+     * @return The topicName.
+     */
+    @java.lang.Override
+    public java.lang.String getTopicName() {
+      java.lang.Object ref = topicName_;
+      if (ref instanceof java.lang.String) {
+        return (java.lang.String) ref;
+      } else {
+        com.google.protobuf.ByteString bs = 
+            (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        topicName_ = s;
+        return s;
+      }
+    }
+    /**
+     * <pre>
+     * The topic name
+     * </pre>
+     *
+     * <code>string topic_name = 1;</code>
+     * @return The bytes for topicName.
+     */
+    @java.lang.Override
+    public com.google.protobuf.ByteString
+        getTopicNameBytes() {
+      java.lang.Object ref = topicName_;
+      if (ref instanceof java.lang.String) {
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
+        topicName_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    public static final int RECORD_SIZE_FIELD_NUMBER = 2;
+    private long recordSize_;
+    /**
+     * <pre>
+     * The total record size appended to topic since the datanode started.
+     * </pre>
+     *
+     * <code>uint64 record_size = 2;</code>
+     * @return The recordSize.
+     */
+    @java.lang.Override
+    public long getRecordSize() {
+      return recordSize_;
+    }
+
+    public static final int RECORD_NUM_FIELD_NUMBER = 3;
+    private long recordNum_;
+    /**
+     * <pre>
+     * The total record number appended to topic since the datanode started.
+     * </pre>
+     *
+     * <code>uint64 record_num = 3;</code>
+     * @return The recordNum.
+     */
+    @java.lang.Override
+    public long getRecordNum() {
+      return recordNum_;
+    }
+
+    public static final int LATEST_ENTRY_ID_FIELD_NUMBER = 4;
+    private long latestEntryId_;
+    /**
+     * <pre>
+     * The latest entry id of the topic.
+     * </pre>
+     *
+     * <code>uint64 latest_entry_id = 4;</code>
+     * @return The latestEntryId.
+     */
+    @java.lang.Override
+    public long getLatestEntryId() {
+      return latestEntryId_;
+    }
+
+    private byte memoizedIsInitialized = -1;
+    @java.lang.Override
+    public final boolean isInitialized() {
+      byte isInitialized = memoizedIsInitialized;
+      if (isInitialized == 1) return true;
+      if (isInitialized == 0) return false;
+
+      memoizedIsInitialized = 1;
+      return true;
+    }
+
+    @java.lang.Override
+    public void writeTo(com.google.protobuf.CodedOutputStream output)
+                        throws java.io.IOException {
+      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(topicName_)) {
+        com.google.protobuf.GeneratedMessageV3.writeString(output, 1, topicName_);
+      }
+      if (recordSize_ != 0L) {
+        output.writeUInt64(2, recordSize_);
+      }
+      if (recordNum_ != 0L) {
+        output.writeUInt64(3, recordNum_);
+      }
+      if (latestEntryId_ != 0L) {
+        output.writeUInt64(4, latestEntryId_);
+      }
+      unknownFields.writeTo(output);
+    }
+
+    @java.lang.Override
+    public int getSerializedSize() {
+      int size = memoizedSize;
+      if (size != -1) return size;
+
+      size = 0;
+      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(topicName_)) {
+        size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, topicName_);
+      }
+      if (recordSize_ != 0L) {
+        size += com.google.protobuf.CodedOutputStream
+          .computeUInt64Size(2, recordSize_);
+      }
+      if (recordNum_ != 0L) {
+        size += com.google.protobuf.CodedOutputStream
+          .computeUInt64Size(3, recordNum_);
+      }
+      if (latestEntryId_ != 0L) {
+        size += com.google.protobuf.CodedOutputStream
+          .computeUInt64Size(4, latestEntryId_);
+      }
+      size += unknownFields.getSerializedSize();
+      memoizedSize = size;
+      return size;
+    }
+
+    @java.lang.Override
+    public boolean equals(final java.lang.Object obj) {
+      if (obj == this) {
+       return true;
+      }
+      if (!(obj instanceof greptime.v1.meta.HeartbeatOuterClass.TopicStat)) {
+        return super.equals(obj);
+      }
+      greptime.v1.meta.HeartbeatOuterClass.TopicStat other = (greptime.v1.meta.HeartbeatOuterClass.TopicStat) obj;
+
+      if (!getTopicName()
+          .equals(other.getTopicName())) return false;
+      if (getRecordSize()
+          != other.getRecordSize()) return false;
+      if (getRecordNum()
+          != other.getRecordNum()) return false;
+      if (getLatestEntryId()
+          != other.getLatestEntryId()) return false;
+      if (!unknownFields.equals(other.unknownFields)) return false;
+      return true;
+    }
+
+    @java.lang.Override
+    public int hashCode() {
+      if (memoizedHashCode != 0) {
+        return memoizedHashCode;
+      }
+      int hash = 41;
+      hash = (19 * hash) + getDescriptor().hashCode();
+      hash = (37 * hash) + TOPIC_NAME_FIELD_NUMBER;
+      hash = (53 * hash) + getTopicName().hashCode();
+      hash = (37 * hash) + RECORD_SIZE_FIELD_NUMBER;
+      hash = (53 * hash) + com.google.protobuf.Internal.hashLong(
+          getRecordSize());
+      hash = (37 * hash) + RECORD_NUM_FIELD_NUMBER;
+      hash = (53 * hash) + com.google.protobuf.Internal.hashLong(
+          getRecordNum());
+      hash = (37 * hash) + LATEST_ENTRY_ID_FIELD_NUMBER;
+      hash = (53 * hash) + com.google.protobuf.Internal.hashLong(
+          getLatestEntryId());
+      hash = (29 * hash) + unknownFields.hashCode();
+      memoizedHashCode = hash;
+      return hash;
+    }
+
+    public static greptime.v1.meta.HeartbeatOuterClass.TopicStat parseFrom(
+        java.nio.ByteBuffer data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+    public static greptime.v1.meta.HeartbeatOuterClass.TopicStat parseFrom(
+        java.nio.ByteBuffer data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+    public static greptime.v1.meta.HeartbeatOuterClass.TopicStat parseFrom(
+        com.google.protobuf.ByteString data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+    public static greptime.v1.meta.HeartbeatOuterClass.TopicStat parseFrom(
+        com.google.protobuf.ByteString data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+    public static greptime.v1.meta.HeartbeatOuterClass.TopicStat parseFrom(byte[] data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+    public static greptime.v1.meta.HeartbeatOuterClass.TopicStat parseFrom(
+        byte[] data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+    public static greptime.v1.meta.HeartbeatOuterClass.TopicStat parseFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input);
+    }
+    public static greptime.v1.meta.HeartbeatOuterClass.TopicStat parseFrom(
+        java.io.InputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input, extensionRegistry);
+    }
+    public static greptime.v1.meta.HeartbeatOuterClass.TopicStat parseDelimitedFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseDelimitedWithIOException(PARSER, input);
+    }
+    public static greptime.v1.meta.HeartbeatOuterClass.TopicStat parseDelimitedFrom(
+        java.io.InputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
+    }
+    public static greptime.v1.meta.HeartbeatOuterClass.TopicStat parseFrom(
+        com.google.protobuf.CodedInputStream input)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input);
+    }
+    public static greptime.v1.meta.HeartbeatOuterClass.TopicStat parseFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input, extensionRegistry);
+    }
+
+    @java.lang.Override
+    public Builder newBuilderForType() { return newBuilder(); }
+    public static Builder newBuilder() {
+      return DEFAULT_INSTANCE.toBuilder();
+    }
+    public static Builder newBuilder(greptime.v1.meta.HeartbeatOuterClass.TopicStat prototype) {
+      return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+    }
+    @java.lang.Override
+    public Builder toBuilder() {
+      return this == DEFAULT_INSTANCE
+          ? new Builder() : new Builder().mergeFrom(this);
+    }
+
+    @java.lang.Override
+    protected Builder newBuilderForType(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      Builder builder = new Builder(parent);
+      return builder;
+    }
+    /**
+     * Protobuf type {@code greptime.v1.meta.TopicStat}
+     */
+    public static final class Builder extends
+        com.google.protobuf.GeneratedMessageV3.Builder<Builder> implements
+        // @@protoc_insertion_point(builder_implements:greptime.v1.meta.TopicStat)
+        greptime.v1.meta.HeartbeatOuterClass.TopicStatOrBuilder {
+      public static final com.google.protobuf.Descriptors.Descriptor
+          getDescriptor() {
+        return greptime.v1.meta.HeartbeatOuterClass.internal_static_greptime_v1_meta_TopicStat_descriptor;
+      }
+
+      @java.lang.Override
+      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return greptime.v1.meta.HeartbeatOuterClass.internal_static_greptime_v1_meta_TopicStat_fieldAccessorTable
+            .ensureFieldAccessorsInitialized(
+                greptime.v1.meta.HeartbeatOuterClass.TopicStat.class, greptime.v1.meta.HeartbeatOuterClass.TopicStat.Builder.class);
+      }
+
+      // Construct using greptime.v1.meta.HeartbeatOuterClass.TopicStat.newBuilder()
+      private Builder() {
+        maybeForceBuilderInitialization();
+      }
+
+      private Builder(
+          com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+        super(parent);
+        maybeForceBuilderInitialization();
+      }
+      private void maybeForceBuilderInitialization() {
+        if (com.google.protobuf.GeneratedMessageV3
+                .alwaysUseFieldBuilders) {
+        }
+      }
+      @java.lang.Override
+      public Builder clear() {
+        super.clear();
+        topicName_ = "";
+
+        recordSize_ = 0L;
+
+        recordNum_ = 0L;
+
+        latestEntryId_ = 0L;
+
+        return this;
+      }
+
+      @java.lang.Override
+      public com.google.protobuf.Descriptors.Descriptor
+          getDescriptorForType() {
+        return greptime.v1.meta.HeartbeatOuterClass.internal_static_greptime_v1_meta_TopicStat_descriptor;
+      }
+
+      @java.lang.Override
+      public greptime.v1.meta.HeartbeatOuterClass.TopicStat getDefaultInstanceForType() {
+        return greptime.v1.meta.HeartbeatOuterClass.TopicStat.getDefaultInstance();
+      }
+
+      @java.lang.Override
+      public greptime.v1.meta.HeartbeatOuterClass.TopicStat build() {
+        greptime.v1.meta.HeartbeatOuterClass.TopicStat result = buildPartial();
+        if (!result.isInitialized()) {
+          throw newUninitializedMessageException(result);
+        }
+        return result;
+      }
+
+      @java.lang.Override
+      public greptime.v1.meta.HeartbeatOuterClass.TopicStat buildPartial() {
+        greptime.v1.meta.HeartbeatOuterClass.TopicStat result = new greptime.v1.meta.HeartbeatOuterClass.TopicStat(this);
+        result.topicName_ = topicName_;
+        result.recordSize_ = recordSize_;
+        result.recordNum_ = recordNum_;
+        result.latestEntryId_ = latestEntryId_;
+        onBuilt();
+        return result;
+      }
+
+      @java.lang.Override
+      public Builder clone() {
+        return super.clone();
+      }
+      @java.lang.Override
+      public Builder setField(
+          com.google.protobuf.Descriptors.FieldDescriptor field,
+          java.lang.Object value) {
+        return super.setField(field, value);
+      }
+      @java.lang.Override
+      public Builder clearField(
+          com.google.protobuf.Descriptors.FieldDescriptor field) {
+        return super.clearField(field);
+      }
+      @java.lang.Override
+      public Builder clearOneof(
+          com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+        return super.clearOneof(oneof);
+      }
+      @java.lang.Override
+      public Builder setRepeatedField(
+          com.google.protobuf.Descriptors.FieldDescriptor field,
+          int index, java.lang.Object value) {
+        return super.setRepeatedField(field, index, value);
+      }
+      @java.lang.Override
+      public Builder addRepeatedField(
+          com.google.protobuf.Descriptors.FieldDescriptor field,
+          java.lang.Object value) {
+        return super.addRepeatedField(field, value);
+      }
+      @java.lang.Override
+      public Builder mergeFrom(com.google.protobuf.Message other) {
+        if (other instanceof greptime.v1.meta.HeartbeatOuterClass.TopicStat) {
+          return mergeFrom((greptime.v1.meta.HeartbeatOuterClass.TopicStat)other);
+        } else {
+          super.mergeFrom(other);
+          return this;
+        }
+      }
+
+      public Builder mergeFrom(greptime.v1.meta.HeartbeatOuterClass.TopicStat other) {
+        if (other == greptime.v1.meta.HeartbeatOuterClass.TopicStat.getDefaultInstance()) return this;
+        if (!other.getTopicName().isEmpty()) {
+          topicName_ = other.topicName_;
+          onChanged();
+        }
+        if (other.getRecordSize() != 0L) {
+          setRecordSize(other.getRecordSize());
+        }
+        if (other.getRecordNum() != 0L) {
+          setRecordNum(other.getRecordNum());
+        }
+        if (other.getLatestEntryId() != 0L) {
+          setLatestEntryId(other.getLatestEntryId());
+        }
+        this.mergeUnknownFields(other.unknownFields);
+        onChanged();
+        return this;
+      }
+
+      @java.lang.Override
+      public final boolean isInitialized() {
+        return true;
+      }
+
+      @java.lang.Override
+      public Builder mergeFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+        greptime.v1.meta.HeartbeatOuterClass.TopicStat parsedMessage = null;
+        try {
+          parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          parsedMessage = (greptime.v1.meta.HeartbeatOuterClass.TopicStat) e.getUnfinishedMessage();
+          throw e.unwrapIOException();
+        } finally {
+          if (parsedMessage != null) {
+            mergeFrom(parsedMessage);
+          }
+        }
+        return this;
+      }
+
+      private java.lang.Object topicName_ = "";
+      /**
+       * <pre>
+       * The topic name
+       * </pre>
+       *
+       * <code>string topic_name = 1;</code>
+       * @return The topicName.
+       */
+      public java.lang.String getTopicName() {
+        java.lang.Object ref = topicName_;
+        if (!(ref instanceof java.lang.String)) {
+          com.google.protobuf.ByteString bs =
+              (com.google.protobuf.ByteString) ref;
+          java.lang.String s = bs.toStringUtf8();
+          topicName_ = s;
+          return s;
+        } else {
+          return (java.lang.String) ref;
+        }
+      }
+      /**
+       * <pre>
+       * The topic name
+       * </pre>
+       *
+       * <code>string topic_name = 1;</code>
+       * @return The bytes for topicName.
+       */
+      public com.google.protobuf.ByteString
+          getTopicNameBytes() {
+        java.lang.Object ref = topicName_;
+        if (ref instanceof String) {
+          com.google.protobuf.ByteString b = 
+              com.google.protobuf.ByteString.copyFromUtf8(
+                  (java.lang.String) ref);
+          topicName_ = b;
+          return b;
+        } else {
+          return (com.google.protobuf.ByteString) ref;
+        }
+      }
+      /**
+       * <pre>
+       * The topic name
+       * </pre>
+       *
+       * <code>string topic_name = 1;</code>
+       * @param value The topicName to set.
+       * @return This builder for chaining.
+       */
+      public Builder setTopicName(
+          java.lang.String value) {
+        if (value == null) {
+    throw new NullPointerException();
+  }
+  
+        topicName_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <pre>
+       * The topic name
+       * </pre>
+       *
+       * <code>string topic_name = 1;</code>
+       * @return This builder for chaining.
+       */
+      public Builder clearTopicName() {
+        
+        topicName_ = getDefaultInstance().getTopicName();
+        onChanged();
+        return this;
+      }
+      /**
+       * <pre>
+       * The topic name
+       * </pre>
+       *
+       * <code>string topic_name = 1;</code>
+       * @param value The bytes for topicName to set.
+       * @return This builder for chaining.
+       */
+      public Builder setTopicNameBytes(
+          com.google.protobuf.ByteString value) {
+        if (value == null) {
+    throw new NullPointerException();
+  }
+  checkByteStringIsUtf8(value);
+        
+        topicName_ = value;
+        onChanged();
+        return this;
+      }
+
+      private long recordSize_ ;
+      /**
+       * <pre>
+       * The total record size appended to topic since the datanode started.
+       * </pre>
+       *
+       * <code>uint64 record_size = 2;</code>
+       * @return The recordSize.
+       */
+      @java.lang.Override
+      public long getRecordSize() {
+        return recordSize_;
+      }
+      /**
+       * <pre>
+       * The total record size appended to topic since the datanode started.
+       * </pre>
+       *
+       * <code>uint64 record_size = 2;</code>
+       * @param value The recordSize to set.
+       * @return This builder for chaining.
+       */
+      public Builder setRecordSize(long value) {
+        
+        recordSize_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <pre>
+       * The total record size appended to topic since the datanode started.
+       * </pre>
+       *
+       * <code>uint64 record_size = 2;</code>
+       * @return This builder for chaining.
+       */
+      public Builder clearRecordSize() {
+        
+        recordSize_ = 0L;
+        onChanged();
+        return this;
+      }
+
+      private long recordNum_ ;
+      /**
+       * <pre>
+       * The total record number appended to topic since the datanode started.
+       * </pre>
+       *
+       * <code>uint64 record_num = 3;</code>
+       * @return The recordNum.
+       */
+      @java.lang.Override
+      public long getRecordNum() {
+        return recordNum_;
+      }
+      /**
+       * <pre>
+       * The total record number appended to topic since the datanode started.
+       * </pre>
+       *
+       * <code>uint64 record_num = 3;</code>
+       * @param value The recordNum to set.
+       * @return This builder for chaining.
+       */
+      public Builder setRecordNum(long value) {
+        
+        recordNum_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <pre>
+       * The total record number appended to topic since the datanode started.
+       * </pre>
+       *
+       * <code>uint64 record_num = 3;</code>
+       * @return This builder for chaining.
+       */
+      public Builder clearRecordNum() {
+        
+        recordNum_ = 0L;
+        onChanged();
+        return this;
+      }
+
+      private long latestEntryId_ ;
+      /**
+       * <pre>
+       * The latest entry id of the topic.
+       * </pre>
+       *
+       * <code>uint64 latest_entry_id = 4;</code>
+       * @return The latestEntryId.
+       */
+      @java.lang.Override
+      public long getLatestEntryId() {
+        return latestEntryId_;
+      }
+      /**
+       * <pre>
+       * The latest entry id of the topic.
+       * </pre>
+       *
+       * <code>uint64 latest_entry_id = 4;</code>
+       * @param value The latestEntryId to set.
+       * @return This builder for chaining.
+       */
+      public Builder setLatestEntryId(long value) {
+        
+        latestEntryId_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <pre>
+       * The latest entry id of the topic.
+       * </pre>
+       *
+       * <code>uint64 latest_entry_id = 4;</code>
+       * @return This builder for chaining.
+       */
+      public Builder clearLatestEntryId() {
+        
+        latestEntryId_ = 0L;
+        onChanged();
+        return this;
+      }
+      @java.lang.Override
+      public final Builder setUnknownFields(
+          final com.google.protobuf.UnknownFieldSet unknownFields) {
+        return super.setUnknownFields(unknownFields);
+      }
+
+      @java.lang.Override
+      public final Builder mergeUnknownFields(
+          final com.google.protobuf.UnknownFieldSet unknownFields) {
+        return super.mergeUnknownFields(unknownFields);
+      }
+
+
+      // @@protoc_insertion_point(builder_scope:greptime.v1.meta.TopicStat)
+    }
+
+    // @@protoc_insertion_point(class_scope:greptime.v1.meta.TopicStat)
+    private static final greptime.v1.meta.HeartbeatOuterClass.TopicStat DEFAULT_INSTANCE;
+    static {
+      DEFAULT_INSTANCE = new greptime.v1.meta.HeartbeatOuterClass.TopicStat();
+    }
+
+    public static greptime.v1.meta.HeartbeatOuterClass.TopicStat getDefaultInstance() {
+      return DEFAULT_INSTANCE;
+    }
+
+    private static final com.google.protobuf.Parser<TopicStat>
+        PARSER = new com.google.protobuf.AbstractParser<TopicStat>() {
+      @java.lang.Override
+      public TopicStat parsePartialFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws com.google.protobuf.InvalidProtocolBufferException {
+        return new TopicStat(input, extensionRegistry);
+      }
+    };
+
+    public static com.google.protobuf.Parser<TopicStat> parser() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Parser<TopicStat> getParserForType() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public greptime.v1.meta.HeartbeatOuterClass.TopicStat getDefaultInstanceForType() {
+      return DEFAULT_INSTANCE;
+    }
+
+  }
+
   public interface FlowStatOrBuilder extends
       // @@protoc_insertion_point(interface_extends:greptime.v1.meta.FlowStat)
       com.google.protobuf.MessageOrBuilder {
@@ -14740,6 +16103,11 @@ com.google.protobuf.ByteString defaultValue);
   private static final 
     com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internal_static_greptime_v1_meta_RegionStat_ExtensionsEntry_fieldAccessorTable;
+  private static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_greptime_v1_meta_TopicStat_descriptor;
+  private static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_greptime_v1_meta_TopicStat_fieldAccessorTable;
   private static final com.google.protobuf.Descriptors.Descriptor
     internal_static_greptime_v1_meta_FlowStat_descriptor;
   private static final 
@@ -14801,7 +16169,7 @@ com.google.protobuf.ByteString defaultValue);
     java.lang.String[] descriptorData = {
       "\n greptime/v1/meta/heartbeat.proto\022\020grep" +
       "time.v1.meta\032\035greptime/v1/meta/common.pr" +
-      "oto\"\331\004\n\020HeartbeatRequest\022/\n\006header\030\001 \001(\013" +
+      "oto\"\213\005\n\020HeartbeatRequest\022/\n\006header\030\001 \001(\013" +
       "2\037.greptime.v1.meta.RequestHeader\022$\n\004pee" +
       "r\030\002 \001(\0132\026.greptime.v1.meta.Peer\0227\n\017repor" +
       "t_interval\030\003 \001(\0132\036.greptime.v1.meta.Time" +
@@ -14815,55 +16183,59 @@ com.google.protobuf.ByteString defaultValue);
       "reptime.v1.meta.DatanodeWorkloadsH\000\0227\n\010f" +
       "rontend\030\013 \001(\0132#.greptime.v1.meta.Fronten" +
       "dWorkloadsH\000\0227\n\010flownode\030\014 \001(\0132#.greptim" +
-      "e.v1.meta.FlownodeWorkloadsH\000B\020\n\016node_wo" +
-      "rkloads\"\"\n\021DatanodeWorkloads\022\r\n\005types\030\001 " +
-      "\003(\005\"\"\n\021FrontendWorkloads\022\r\n\005types\030\001 \003(\005\"" +
-      "\"\n\021FlownodeWorkloads\022\r\n\005types\030\001 \003(\005\"T\n\010N" +
-      "odeInfo\022\017\n\007version\030\001 \001(\t\022\022\n\ngit_commit\030\002" +
-      " \001(\t\022\025\n\rstart_time_ms\030\003 \001(\004\022\014\n\004cpus\030\004 \001(" +
-      "\r\"\207\002\n\nRegionStat\022\021\n\tregion_id\030\001 \001(\004\022\014\n\004r" +
-      "cus\030\002 \001(\003\022\014\n\004wcus\030\003 \001(\003\022\031\n\021approximate_b" +
-      "ytes\030\004 \001(\003\022\016\n\006engine\030\006 \001(\t\022*\n\004role\030\007 \001(\016" +
-      "2\034.greptime.v1.meta.RegionRole\022@\n\nextens" +
-      "ions\030c \003(\0132,.greptime.v1.meta.RegionStat" +
-      ".ExtensionsEntry\0321\n\017ExtensionsEntry\022\013\n\003k" +
-      "ey\030\001 \001(\t\022\r\n\005value\030\002 \001(\014:\0028\001\"\227\002\n\010FlowStat" +
-      "\022D\n\016flow_stat_size\030\001 \003(\0132,.greptime.v1.m" +
-      "eta.FlowStat.FlowStatSizeEntry\022T\n\027flow_l" +
-      "ast_exec_time_map\030\002 \003(\01323.greptime.v1.me" +
-      "ta.FlowStat.FlowLastExecTimeMapEntry\0323\n\021" +
-      "FlowStatSizeEntry\022\013\n\003key\030\001 \001(\r\022\r\n\005value\030" +
-      "\002 \001(\004:\0028\001\032:\n\030FlowLastExecTimeMapEntry\022\013\n" +
-      "\003key\030\001 \001(\r\022\r\n\005value\030\002 \001(\003:\0028\001\"\265\001\n\021Heartb" +
-      "eatResponse\0220\n\006header\030\001 \001(\0132 .greptime.v" +
-      "1.meta.ResponseHeader\0229\n\017mailbox_message" +
-      "\030\002 \001(\0132 .greptime.v1.meta.MailboxMessage" +
-      "\0223\n\014region_lease\030\003 \001(\0132\035.greptime.v1.met" +
-      "a.RegionLease\"\306\001\n\rGrantedRegion\022\021\n\tregio" +
-      "n_id\030\001 \001(\004\022*\n\004role\030\002 \001(\0162\034.greptime.v1.m" +
-      "eta.RegionRole\022C\n\nextensions\030c \003(\0132/.gre" +
-      "ptime.v1.meta.GrantedRegion.ExtensionsEn" +
-      "try\0321\n\017ExtensionsEntry\022\013\n\003key\030\001 \001(\t\022\r\n\005v" +
-      "alue\030\002 \001(\014:\0028\001\"\222\001\n\013RegionLease\0220\n\007region" +
-      "s\030\001 \003(\0132\037.greptime.v1.meta.GrantedRegion" +
-      "\022\034\n\024duration_since_epoch\030\002 \001(\004\022\025\n\rlease_" +
-      "seconds\030\003 \001(\004\022\034\n\024closeable_region_ids\030\004 " +
-      "\003(\004\"C\n\020AskLeaderRequest\022/\n\006header\030\001 \001(\0132" +
-      "\037.greptime.v1.meta.RequestHeader\"m\n\021AskL" +
-      "eaderResponse\0220\n\006header\030\001 \001(\0132 .greptime" +
-      ".v1.meta.ResponseHeader\022&\n\006leader\030\002 \001(\0132" +
-      "\026.greptime.v1.meta.Peer\"|\n\016MailboxMessag" +
-      "e\022\n\n\002id\030\001 \001(\004\022\017\n\007subject\030\002 \001(\t\022\014\n\004from\030\003" +
-      " \001(\t\022\n\n\002to\030\004 \001(\t\022\030\n\020timestamp_millis\030\005 \001" +
-      "(\003\022\016\n\004json\030\006 \001(\tH\000B\t\n\007payload*=\n\nRegionR" +
-      "ole\022\n\n\006Leader\020\000\022\014\n\010Follower\020\001\022\025\n\021Downgra" +
-      "dingLeader\020\0022\277\001\n\tHeartbeat\022Z\n\tHeartbeat\022" +
-      "\".greptime.v1.meta.HeartbeatRequest\032#.gr" +
-      "eptime.v1.meta.HeartbeatResponse\"\000(\0010\001\022V" +
-      "\n\tAskLeader\022\".greptime.v1.meta.AskLeader" +
-      "Request\032#.greptime.v1.meta.AskLeaderResp" +
-      "onse\"\000B<Z:github.com/GreptimeTeam/grepti" +
-      "me-proto/go/greptime/v1/metab\006proto3"
+      "e.v1.meta.FlownodeWorkloadsH\000\0220\n\013topic_s" +
+      "tats\030\r \003(\0132\033.greptime.v1.meta.TopicStatB" +
+      "\020\n\016node_workloads\"\"\n\021DatanodeWorkloads\022\r" +
+      "\n\005types\030\001 \003(\005\"\"\n\021FrontendWorkloads\022\r\n\005ty" +
+      "pes\030\001 \003(\005\"\"\n\021FlownodeWorkloads\022\r\n\005types\030" +
+      "\001 \003(\005\"T\n\010NodeInfo\022\017\n\007version\030\001 \001(\t\022\022\n\ngi" +
+      "t_commit\030\002 \001(\t\022\025\n\rstart_time_ms\030\003 \001(\004\022\014\n" +
+      "\004cpus\030\004 \001(\r\"\207\002\n\nRegionStat\022\021\n\tregion_id\030" +
+      "\001 \001(\004\022\014\n\004rcus\030\002 \001(\003\022\014\n\004wcus\030\003 \001(\003\022\031\n\021app" +
+      "roximate_bytes\030\004 \001(\003\022\016\n\006engine\030\006 \001(\t\022*\n\004" +
+      "role\030\007 \001(\0162\034.greptime.v1.meta.RegionRole" +
+      "\022@\n\nextensions\030c \003(\0132,.greptime.v1.meta." +
+      "RegionStat.ExtensionsEntry\0321\n\017Extensions" +
+      "Entry\022\013\n\003key\030\001 \001(\t\022\r\n\005value\030\002 \001(\014:\0028\001\"a\n" +
+      "\tTopicStat\022\022\n\ntopic_name\030\001 \001(\t\022\023\n\013record" +
+      "_size\030\002 \001(\004\022\022\n\nrecord_num\030\003 \001(\004\022\027\n\017lates" +
+      "t_entry_id\030\004 \001(\004\"\227\002\n\010FlowStat\022D\n\016flow_st" +
+      "at_size\030\001 \003(\0132,.greptime.v1.meta.FlowSta" +
+      "t.FlowStatSizeEntry\022T\n\027flow_last_exec_ti" +
+      "me_map\030\002 \003(\01323.greptime.v1.meta.FlowStat" +
+      ".FlowLastExecTimeMapEntry\0323\n\021FlowStatSiz" +
+      "eEntry\022\013\n\003key\030\001 \001(\r\022\r\n\005value\030\002 \001(\004:\0028\001\032:" +
+      "\n\030FlowLastExecTimeMapEntry\022\013\n\003key\030\001 \001(\r\022" +
+      "\r\n\005value\030\002 \001(\003:\0028\001\"\265\001\n\021HeartbeatResponse" +
+      "\0220\n\006header\030\001 \001(\0132 .greptime.v1.meta.Resp" +
+      "onseHeader\0229\n\017mailbox_message\030\002 \001(\0132 .gr" +
+      "eptime.v1.meta.MailboxMessage\0223\n\014region_" +
+      "lease\030\003 \001(\0132\035.greptime.v1.meta.RegionLea" +
+      "se\"\306\001\n\rGrantedRegion\022\021\n\tregion_id\030\001 \001(\004\022" +
+      "*\n\004role\030\002 \001(\0162\034.greptime.v1.meta.RegionR" +
+      "ole\022C\n\nextensions\030c \003(\0132/.greptime.v1.me" +
+      "ta.GrantedRegion.ExtensionsEntry\0321\n\017Exte" +
+      "nsionsEntry\022\013\n\003key\030\001 \001(\t\022\r\n\005value\030\002 \001(\014:" +
+      "\0028\001\"\222\001\n\013RegionLease\0220\n\007regions\030\001 \003(\0132\037.g" +
+      "reptime.v1.meta.GrantedRegion\022\034\n\024duratio" +
+      "n_since_epoch\030\002 \001(\004\022\025\n\rlease_seconds\030\003 \001" +
+      "(\004\022\034\n\024closeable_region_ids\030\004 \003(\004\"C\n\020AskL" +
+      "eaderRequest\022/\n\006header\030\001 \001(\0132\037.greptime." +
+      "v1.meta.RequestHeader\"m\n\021AskLeaderRespon" +
+      "se\0220\n\006header\030\001 \001(\0132 .greptime.v1.meta.Re" +
+      "sponseHeader\022&\n\006leader\030\002 \001(\0132\026.greptime." +
+      "v1.meta.Peer\"|\n\016MailboxMessage\022\n\n\002id\030\001 \001" +
+      "(\004\022\017\n\007subject\030\002 \001(\t\022\014\n\004from\030\003 \001(\t\022\n\n\002to\030" +
+      "\004 \001(\t\022\030\n\020timestamp_millis\030\005 \001(\003\022\016\n\004json\030" +
+      "\006 \001(\tH\000B\t\n\007payload*=\n\nRegionRole\022\n\n\006Lead" +
+      "er\020\000\022\014\n\010Follower\020\001\022\025\n\021DowngradingLeader\020" +
+      "\0022\277\001\n\tHeartbeat\022Z\n\tHeartbeat\022\".greptime." +
+      "v1.meta.HeartbeatRequest\032#.greptime.v1.m" +
+      "eta.HeartbeatResponse\"\000(\0010\001\022V\n\tAskLeader" +
+      "\022\".greptime.v1.meta.AskLeaderRequest\032#.g" +
+      "reptime.v1.meta.AskLeaderResponse\"\000B<Z:g" +
+      "ithub.com/GreptimeTeam/greptime-proto/go" +
+      "/greptime/v1/metab\006proto3"
     };
     descriptor = com.google.protobuf.Descriptors.FileDescriptor
       .internalBuildGeneratedFileFrom(descriptorData,
@@ -14875,7 +16247,7 @@ com.google.protobuf.ByteString defaultValue);
     internal_static_greptime_v1_meta_HeartbeatRequest_fieldAccessorTable = new
       com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
         internal_static_greptime_v1_meta_HeartbeatRequest_descriptor,
-        new java.lang.String[] { "Header", "Peer", "ReportInterval", "RegionStats", "MailboxMessage", "DurationSinceEpoch", "NodeEpoch", "Info", "FlowStat", "Datanode", "Frontend", "Flownode", "NodeWorkloads", });
+        new java.lang.String[] { "Header", "Peer", "ReportInterval", "RegionStats", "MailboxMessage", "DurationSinceEpoch", "NodeEpoch", "Info", "FlowStat", "Datanode", "Frontend", "Flownode", "TopicStats", "NodeWorkloads", });
     internal_static_greptime_v1_meta_DatanodeWorkloads_descriptor =
       getDescriptor().getMessageTypes().get(1);
     internal_static_greptime_v1_meta_DatanodeWorkloads_fieldAccessorTable = new
@@ -14912,8 +16284,14 @@ com.google.protobuf.ByteString defaultValue);
       com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
         internal_static_greptime_v1_meta_RegionStat_ExtensionsEntry_descriptor,
         new java.lang.String[] { "Key", "Value", });
-    internal_static_greptime_v1_meta_FlowStat_descriptor =
+    internal_static_greptime_v1_meta_TopicStat_descriptor =
       getDescriptor().getMessageTypes().get(6);
+    internal_static_greptime_v1_meta_TopicStat_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_greptime_v1_meta_TopicStat_descriptor,
+        new java.lang.String[] { "TopicName", "RecordSize", "RecordNum", "LatestEntryId", });
+    internal_static_greptime_v1_meta_FlowStat_descriptor =
+      getDescriptor().getMessageTypes().get(7);
     internal_static_greptime_v1_meta_FlowStat_fieldAccessorTable = new
       com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
         internal_static_greptime_v1_meta_FlowStat_descriptor,
@@ -14931,13 +16309,13 @@ com.google.protobuf.ByteString defaultValue);
         internal_static_greptime_v1_meta_FlowStat_FlowLastExecTimeMapEntry_descriptor,
         new java.lang.String[] { "Key", "Value", });
     internal_static_greptime_v1_meta_HeartbeatResponse_descriptor =
-      getDescriptor().getMessageTypes().get(7);
+      getDescriptor().getMessageTypes().get(8);
     internal_static_greptime_v1_meta_HeartbeatResponse_fieldAccessorTable = new
       com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
         internal_static_greptime_v1_meta_HeartbeatResponse_descriptor,
         new java.lang.String[] { "Header", "MailboxMessage", "RegionLease", });
     internal_static_greptime_v1_meta_GrantedRegion_descriptor =
-      getDescriptor().getMessageTypes().get(8);
+      getDescriptor().getMessageTypes().get(9);
     internal_static_greptime_v1_meta_GrantedRegion_fieldAccessorTable = new
       com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
         internal_static_greptime_v1_meta_GrantedRegion_descriptor,
@@ -14949,25 +16327,25 @@ com.google.protobuf.ByteString defaultValue);
         internal_static_greptime_v1_meta_GrantedRegion_ExtensionsEntry_descriptor,
         new java.lang.String[] { "Key", "Value", });
     internal_static_greptime_v1_meta_RegionLease_descriptor =
-      getDescriptor().getMessageTypes().get(9);
+      getDescriptor().getMessageTypes().get(10);
     internal_static_greptime_v1_meta_RegionLease_fieldAccessorTable = new
       com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
         internal_static_greptime_v1_meta_RegionLease_descriptor,
         new java.lang.String[] { "Regions", "DurationSinceEpoch", "LeaseSeconds", "CloseableRegionIds", });
     internal_static_greptime_v1_meta_AskLeaderRequest_descriptor =
-      getDescriptor().getMessageTypes().get(10);
+      getDescriptor().getMessageTypes().get(11);
     internal_static_greptime_v1_meta_AskLeaderRequest_fieldAccessorTable = new
       com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
         internal_static_greptime_v1_meta_AskLeaderRequest_descriptor,
         new java.lang.String[] { "Header", });
     internal_static_greptime_v1_meta_AskLeaderResponse_descriptor =
-      getDescriptor().getMessageTypes().get(11);
+      getDescriptor().getMessageTypes().get(12);
     internal_static_greptime_v1_meta_AskLeaderResponse_fieldAccessorTable = new
       com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
         internal_static_greptime_v1_meta_AskLeaderResponse_descriptor,
         new java.lang.String[] { "Header", "Leader", });
     internal_static_greptime_v1_meta_MailboxMessage_descriptor =
-      getDescriptor().getMessageTypes().get(12);
+      getDescriptor().getMessageTypes().get(13);
     internal_static_greptime_v1_meta_MailboxMessage_fieldAccessorTable = new
       com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
         internal_static_greptime_v1_meta_MailboxMessage_descriptor,
diff --git a/proto/greptime/v1/meta/heartbeat.proto b/proto/greptime/v1/meta/heartbeat.proto
index 74f5cc3..3723337 100644
--- a/proto/greptime/v1/meta/heartbeat.proto
+++ b/proto/greptime/v1/meta/heartbeat.proto
@@ -54,6 +54,8 @@ message HeartbeatRequest {
     FrontendWorkloads frontend = 11;
     FlownodeWorkloads flownode = 12;
   }
+  // The topic stats of the datanode.
+  repeated TopicStat topic_stats = 13;
 }
 
 /// The workload types of the datanode.
@@ -110,6 +112,17 @@ message RegionStat {
   map<string, bytes> extensions = 99;
 }
 
+message TopicStat {
+  // The topic name
+  string topic_name = 1;
+  // The total record size appended to topic since the datanode started.
+  uint64 record_size = 2;
+  // The total record number appended to topic since the datanode started.
+  uint64 record_num = 3;
+  // The latest entry id of the topic.
+  uint64 latest_entry_id = 4;
+}
+
 message FlowStat {
   // Each flow's in mem state's size in bytes
   // due to protobuf's key can't be a message, so we use uint32 as the key which