feat: add closeable_region_ids in RegionLease (#125)

* feat: add closeable_region_ids in RegionLease

* fix: use repeated uint64

c++/greptime/v1/meta/heartbeat.pb.cc

@@ -93,6 +93,8 @@ PROTOBUF_ATTRIBUTE_NO_DESTROY PROTOBUF_CONSTINIT PROTOBUF_ATTRIBUTE_INIT_PRIORIT
 PROTOBUF_CONSTEXPR RegionLease::RegionLease(
     ::_pbi::ConstantInitialized): _impl_{
     /*decltype(_impl_.regions_)*/{}
+  , /*decltype(_impl_.closeable_region_ids_)*/{}
+  , /*decltype(_impl_._closeable_region_ids_cached_byte_size_)*/{0}
   , /*decltype(_impl_.duration_since_epoch_)*/uint64_t{0u}
   , /*decltype(_impl_.lease_seconds_)*/uint64_t{0u}
   , /*decltype(_impl_._cached_size_)*/{}} {}
@@ -211,6 +213,7 @@ const uint32_t TableStruct_greptime_2fv1_2fmeta_2fheartbeat_2eproto::offsets[] P
   PROTOBUF_FIELD_OFFSET(::greptime::v1::meta::RegionLease, _impl_.regions_),
   PROTOBUF_FIELD_OFFSET(::greptime::v1::meta::RegionLease, _impl_.duration_since_epoch_),
   PROTOBUF_FIELD_OFFSET(::greptime::v1::meta::RegionLease, _impl_.lease_seconds_),
+  PROTOBUF_FIELD_OFFSET(::greptime::v1::meta::RegionLease, _impl_.closeable_region_ids_),
   ~0u,  // no _has_bits_
   PROTOBUF_FIELD_OFFSET(::greptime::v1::meta::AskLeaderRequest, _internal_metadata_),
   ~0u,  // no _extensions_
@@ -246,9 +249,9 @@ static const ::_pbi::MigrationSchema schemas[] PROTOBUF_SECTION_VARIABLE(protode
   { 26, -1, -1, sizeof(::greptime::v1::meta::HeartbeatResponse)},
   { 35, -1, -1, sizeof(::greptime::v1::meta::GrantedRegion)},
   { 43, -1, -1, sizeof(::greptime::v1::meta::RegionLease)},
-  { 52, -1, -1, sizeof(::greptime::v1::meta::AskLeaderRequest)},
+  { 53, -1, -1, sizeof(::greptime::v1::meta::AskLeaderRequest)},
-  { 59, -1, -1, sizeof(::greptime::v1::meta::AskLeaderResponse)},
+  { 60, -1, -1, sizeof(::greptime::v1::meta::AskLeaderResponse)},
-  { 67, -1, -1, sizeof(::greptime::v1::meta::MailboxMessage)},
+  { 68, -1, -1, sizeof(::greptime::v1::meta::MailboxMessage)},
 };
 
 static const ::_pb::Message* const file_default_instances[] = {
@@ -284,32 +287,33 @@ const char descriptor_table_protodef_greptime_2fv1_2fmeta_2fheartbeat_2eproto[]
   "egion_lease\030\003 \001(\0132\035.greptime.v1.meta.Reg"
   "ionLease\"N\n\rGrantedRegion\022\021\n\tregion_id\030\001"
   " \001(\004\022*\n\004role\030\002 \001(\0162\034.greptime.v1.meta.Re"
-  "gionRole\"t\n\013RegionLease\0220\n\007regions\030\001 \003(\013"
+  "gionRole\"\222\001\n\013RegionLease\0220\n\007regions\030\001 \003("
-  "2\037.greptime.v1.meta.GrantedRegion\022\034\n\024dur"
+  "\0132\037.greptime.v1.meta.GrantedRegion\022\034\n\024du"
-  "ation_since_epoch\030\002 \001(\004\022\025\n\rlease_seconds"
+  "ration_since_epoch\030\002 \001(\004\022\025\n\rlease_second"
-  "\030\003 \001(\004\"C\n\020AskLeaderRequest\022/\n\006header\030\001 \001"
+  "s\030\003 \001(\004\022\034\n\024closeable_region_ids\030\004 \003(\004\"C\n"
-  "(\0132\037.greptime.v1.meta.RequestHeader\"m\n\021A"
+  "\020AskLeaderRequest\022/\n\006header\030\001 \001(\0132\037.grep"
-  "skLeaderResponse\0220\n\006header\030\001 \001(\0132 .grept"
+  "time.v1.meta.RequestHeader\"m\n\021AskLeaderR"
-  "ime.v1.meta.ResponseHeader\022&\n\006leader\030\002 \001"
+  "esponse\0220\n\006header\030\001 \001(\0132 .greptime.v1.me"
-  "(\0132\026.greptime.v1.meta.Peer\"|\n\016MailboxMes"
+  "ta.ResponseHeader\022&\n\006leader\030\002 \001(\0132\026.grep"
-  "sage\022\n\n\002id\030\001 \001(\004\022\017\n\007subject\030\002 \001(\t\022\014\n\004fro"
+  "time.v1.meta.Peer\"|\n\016MailboxMessage\022\n\n\002i"
-  "m\030\003 \001(\t\022\n\n\002to\030\004 \001(\t\022\030\n\020timestamp_millis\030"
+  "d\030\001 \001(\004\022\017\n\007subject\030\002 \001(\t\022\014\n\004from\030\003 \001(\t\022\n"
-  "\005 \001(\003\022\016\n\004json\030\006 \001(\tH\000B\t\n\007payload*&\n\nRegi"
+  "\n\002to\030\004 \001(\t\022\030\n\020timestamp_millis\030\005 \001(\003\022\016\n\004"
-  "onRole\022\n\n\006Leader\020\000\022\014\n\010Follower\020\0012\277\001\n\tHea"
+  "json\030\006 \001(\tH\000B\t\n\007payload*&\n\nRegionRole\022\n\n"
-  "rtbeat\022Z\n\tHeartbeat\022\".greptime.v1.meta.H"
+  "\006Leader\020\000\022\014\n\010Follower\020\0012\277\001\n\tHeartbeat\022Z\n"
-  "eartbeatRequest\032#.greptime.v1.meta.Heart"
+  "\tHeartbeat\022\".greptime.v1.meta.HeartbeatR"
-  "beatResponse\"\000(\0010\001\022V\n\tAskLeader\022\".grepti"
+  "equest\032#.greptime.v1.meta.HeartbeatRespo"
-  "me.v1.meta.AskLeaderRequest\032#.greptime.v"
+  "nse\"\000(\0010\001\022V\n\tAskLeader\022\".greptime.v1.met"
-  "1.meta.AskLeaderResponse\"\000B<Z:github.com"
+  "a.AskLeaderRequest\032#.greptime.v1.meta.As"
-  "/GreptimeTeam/greptime-proto/go/greptime"
+  "kLeaderResponse\"\000B<Z:github.com/Greptime"
-  "/v1/metab\006proto3"
+  "Team/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, 1576, descriptor_table_protodef_greptime_2fv1_2fmeta_2fheartbeat_2eproto,
+    false, false, 1607, 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, 8,
     schemas, file_default_instances, TableStruct_greptime_2fv1_2fmeta_2fheartbeat_2eproto::offsets,
@@ -1646,6 +1650,8 @@ RegionLease::RegionLease(const RegionLease& from)
   RegionLease* const _this = this; (void)_this;
   new (&_impl_) Impl_{
       decltype(_impl_.regions_){from._impl_.regions_}
+    , decltype(_impl_.closeable_region_ids_){from._impl_.closeable_region_ids_}
+    , /*decltype(_impl_._closeable_region_ids_cached_byte_size_)*/{0}
     , decltype(_impl_.duration_since_epoch_){}
     , decltype(_impl_.lease_seconds_){}
     , /*decltype(_impl_._cached_size_)*/{}};
@@ -1663,6 +1669,8 @@ inline void RegionLease::SharedCtor(
   (void)is_message_owned;
   new (&_impl_) Impl_{
       decltype(_impl_.regions_){arena}
+    , decltype(_impl_.closeable_region_ids_){arena}
+    , /*decltype(_impl_._closeable_region_ids_cached_byte_size_)*/{0}
     , decltype(_impl_.duration_since_epoch_){uint64_t{0u}}
     , decltype(_impl_.lease_seconds_){uint64_t{0u}}
     , /*decltype(_impl_._cached_size_)*/{}
@@ -1681,6 +1689,7 @@ RegionLease::~RegionLease() {
 inline void RegionLease::SharedDtor() {
   GOOGLE_DCHECK(GetArenaForAllocation() == nullptr);
   _impl_.regions_.~RepeatedPtrField();
+  _impl_.closeable_region_ids_.~RepeatedField();
 }
 
 void RegionLease::SetCachedSize(int size) const {
@@ -1694,6 +1703,7 @@ void RegionLease::Clear() {
   (void) cached_has_bits;
 
   _impl_.regions_.Clear();
+  _impl_.closeable_region_ids_.Clear();
   ::memset(&_impl_.duration_since_epoch_, 0, static_cast<size_t>(
       reinterpret_cast<char*>(&_impl_.lease_seconds_) -
       reinterpret_cast<char*>(&_impl_.duration_since_epoch_)) + sizeof(_impl_.lease_seconds_));
@@ -1735,6 +1745,17 @@ const char* RegionLease::_InternalParse(const char* ptr, ::_pbi::ParseContext* c
         } else
           goto handle_unusual;
         continue;
+      // repeated uint64 closeable_region_ids = 4;
+      case 4:
+        if (PROTOBUF_PREDICT_TRUE(static_cast<uint8_t>(tag) == 34)) {
+          ptr = ::PROTOBUF_NAMESPACE_ID::internal::PackedUInt64Parser(_internal_mutable_closeable_region_ids(), ptr, ctx);
+          CHK_(ptr);
+        } else if (static_cast<uint8_t>(tag) == 32) {
+          _internal_add_closeable_region_ids(::PROTOBUF_NAMESPACE_ID::internal::ReadVarint64(&ptr));
+          CHK_(ptr);
+        } else
+          goto handle_unusual;
+        continue;
       default:
         goto handle_unusual;
     }  // switch
@@ -1784,6 +1805,15 @@ uint8_t* RegionLease::_InternalSerialize(
     target = ::_pbi::WireFormatLite::WriteUInt64ToArray(3, this->_internal_lease_seconds(), target);
   }
 
+  // repeated uint64 closeable_region_ids = 4;
+  {
+    int byte_size = _impl_._closeable_region_ids_cached_byte_size_.load(std::memory_order_relaxed);
+    if (byte_size > 0) {
+      target = stream->WriteUInt64Packed(
+          4, _internal_closeable_region_ids(), byte_size, 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);
@@ -1807,6 +1837,20 @@ size_t RegionLease::ByteSizeLong() const {
       ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::MessageSize(msg);
   }
 
+  // repeated uint64 closeable_region_ids = 4;
+  {
+    size_t data_size = ::_pbi::WireFormatLite::
+      UInt64Size(this->_impl_.closeable_region_ids_);
+    if (data_size > 0) {
+      total_size += 1 +
+        ::_pbi::WireFormatLite::Int32Size(static_cast<int32_t>(data_size));
+    }
+    int cached_size = ::_pbi::ToCachedSize(data_size);
+    _impl_._closeable_region_ids_cached_byte_size_.store(cached_size,
+                                    std::memory_order_relaxed);
+    total_size += data_size;
+  }
+
   // uint64 duration_since_epoch = 2;
   if (this->_internal_duration_since_epoch() != 0) {
     total_size += ::_pbi::WireFormatLite::UInt64SizePlusOne(this->_internal_duration_since_epoch());
@@ -1836,6 +1880,7 @@ void RegionLease::MergeImpl(::PROTOBUF_NAMESPACE_ID::Message& to_msg, const ::PR
   (void) cached_has_bits;
 
   _this->_impl_.regions_.MergeFrom(from._impl_.regions_);
+  _this->_impl_.closeable_region_ids_.MergeFrom(from._impl_.closeable_region_ids_);
   if (from._internal_duration_since_epoch() != 0) {
     _this->_internal_set_duration_since_epoch(from._internal_duration_since_epoch());
   }
@@ -1860,6 +1905,7 @@ void RegionLease::InternalSwap(RegionLease* other) {
   using std::swap;
   _internal_metadata_.InternalSwap(&other->_internal_metadata_);
   _impl_.regions_.InternalSwap(&other->_impl_.regions_);
+  _impl_.closeable_region_ids_.InternalSwap(&other->_impl_.closeable_region_ids_);
   ::PROTOBUF_NAMESPACE_ID::internal::memswap<
       PROTOBUF_FIELD_OFFSET(RegionLease, _impl_.lease_seconds_)
       + sizeof(RegionLease::_impl_.lease_seconds_)

c++/greptime/v1/meta/heartbeat.pb.h

@@ -1073,6 +1073,7 @@ class RegionLease final :
 
   enum : int {
     kRegionsFieldNumber = 1,
+    kCloseableRegionIdsFieldNumber = 4,
     kDurationSinceEpochFieldNumber = 2,
     kLeaseSecondsFieldNumber = 3,
   };
@@ -1094,6 +1095,28 @@ class RegionLease final :
   const ::PROTOBUF_NAMESPACE_ID::RepeatedPtrField< ::greptime::v1::meta::GrantedRegion >&
       regions() const;
 
+  // repeated uint64 closeable_region_ids = 4;
+  int closeable_region_ids_size() const;
+  private:
+  int _internal_closeable_region_ids_size() const;
+  public:
+  void clear_closeable_region_ids();
+  private:
+  uint64_t _internal_closeable_region_ids(int index) const;
+  const ::PROTOBUF_NAMESPACE_ID::RepeatedField< uint64_t >&
+      _internal_closeable_region_ids() const;
+  void _internal_add_closeable_region_ids(uint64_t value);
+  ::PROTOBUF_NAMESPACE_ID::RepeatedField< uint64_t >*
+      _internal_mutable_closeable_region_ids();
+  public:
+  uint64_t closeable_region_ids(int index) const;
+  void set_closeable_region_ids(int index, uint64_t value);
+  void add_closeable_region_ids(uint64_t value);
+  const ::PROTOBUF_NAMESPACE_ID::RepeatedField< uint64_t >&
+      closeable_region_ids() const;
+  ::PROTOBUF_NAMESPACE_ID::RepeatedField< uint64_t >*
+      mutable_closeable_region_ids();
+
   // uint64 duration_since_epoch = 2;
   void clear_duration_since_epoch();
   uint64_t duration_since_epoch() const;
@@ -1121,6 +1144,8 @@ class RegionLease final :
   typedef void DestructorSkippable_;
   struct Impl_ {
     ::PROTOBUF_NAMESPACE_ID::RepeatedPtrField< ::greptime::v1::meta::GrantedRegion > regions_;
+    ::PROTOBUF_NAMESPACE_ID::RepeatedField< uint64_t > closeable_region_ids_;
+    mutable std::atomic<int> _closeable_region_ids_cached_byte_size_;
     uint64_t duration_since_epoch_;
     uint64_t lease_seconds_;
     mutable ::PROTOBUF_NAMESPACE_ID::internal::CachedSize _cached_size_;
@@ -2713,6 +2738,53 @@ inline void RegionLease::set_lease_seconds(uint64_t value) {
   // @@protoc_insertion_point(field_set:greptime.v1.meta.RegionLease.lease_seconds)
 }
 
+// repeated uint64 closeable_region_ids = 4;
+inline int RegionLease::_internal_closeable_region_ids_size() const {
+  return _impl_.closeable_region_ids_.size();
+}
+inline int RegionLease::closeable_region_ids_size() const {
+  return _internal_closeable_region_ids_size();
+}
+inline void RegionLease::clear_closeable_region_ids() {
+  _impl_.closeable_region_ids_.Clear();
+}
+inline uint64_t RegionLease::_internal_closeable_region_ids(int index) const {
+  return _impl_.closeable_region_ids_.Get(index);
+}
+inline uint64_t RegionLease::closeable_region_ids(int index) const {
+  // @@protoc_insertion_point(field_get:greptime.v1.meta.RegionLease.closeable_region_ids)
+  return _internal_closeable_region_ids(index);
+}
+inline void RegionLease::set_closeable_region_ids(int index, uint64_t value) {
+  _impl_.closeable_region_ids_.Set(index, value);
+  // @@protoc_insertion_point(field_set:greptime.v1.meta.RegionLease.closeable_region_ids)
+}
+inline void RegionLease::_internal_add_closeable_region_ids(uint64_t value) {
+  _impl_.closeable_region_ids_.Add(value);
+}
+inline void RegionLease::add_closeable_region_ids(uint64_t value) {
+  _internal_add_closeable_region_ids(value);
+  // @@protoc_insertion_point(field_add:greptime.v1.meta.RegionLease.closeable_region_ids)
+}
+inline const ::PROTOBUF_NAMESPACE_ID::RepeatedField< uint64_t >&
+RegionLease::_internal_closeable_region_ids() const {
+  return _impl_.closeable_region_ids_;
+}
+inline const ::PROTOBUF_NAMESPACE_ID::RepeatedField< uint64_t >&
+RegionLease::closeable_region_ids() const {
+  // @@protoc_insertion_point(field_list:greptime.v1.meta.RegionLease.closeable_region_ids)
+  return _internal_closeable_region_ids();
+}
+inline ::PROTOBUF_NAMESPACE_ID::RepeatedField< uint64_t >*
+RegionLease::_internal_mutable_closeable_region_ids() {
+  return &_impl_.closeable_region_ids_;
+}
+inline ::PROTOBUF_NAMESPACE_ID::RepeatedField< uint64_t >*
+RegionLease::mutable_closeable_region_ids() {
+  // @@protoc_insertion_point(field_mutable_list:greptime.v1.meta.RegionLease.closeable_region_ids)
+  return _internal_mutable_closeable_region_ids();
+}
+
 // -------------------------------------------------------------------
 
 // AskLeaderRequest

go/greptime/v1/meta/heartbeat.pb.go

@@ -197,7 +197,7 @@ type RegionStat struct {
 	ApproximateBytes int64 `protobuf:"varint,4,opt,name=approximate_bytes,json=approximateBytes,proto3" json:"approximate_bytes,omitempty"`
 	// Approximate number of rows in this region
 	ApproximateRows int64 `protobuf:"varint,5,opt,name=approximate_rows,json=approximateRows,proto3" json:"approximate_rows,omitempty"`
-	// engine name
+	// Engine name
 	Engine string `protobuf:"bytes,6,opt,name=engine,proto3" json:"engine,omitempty"`
 	// Region role
 	Role RegionRole `protobuf:"varint,7,opt,name=role,proto3,enum=greptime.v1.meta.RegionRole" json:"role,omitempty"`
@@ -410,6 +410,7 @@ type RegionLease struct {
 	Regions            []*GrantedRegion `protobuf:"bytes,1,rep,name=regions,proto3" json:"regions,omitempty"`
 	DurationSinceEpoch uint64           `protobuf:"varint,2,opt,name=duration_since_epoch,json=durationSinceEpoch,proto3" json:"duration_since_epoch,omitempty"`
 	LeaseSeconds       uint64           `protobuf:"varint,3,opt,name=lease_seconds,json=leaseSeconds,proto3" json:"lease_seconds,omitempty"`
+	CloseableRegionIds []uint64         `protobuf:"varint,4,rep,packed,name=closeable_region_ids,json=closeableRegionIds,proto3" json:"closeable_region_ids,omitempty"`
 }
 
 func (x *RegionLease) Reset() {
@@ -465,6 +466,13 @@ func (x *RegionLease) GetLeaseSeconds() uint64 {
 	return 0
 }
 
+func (x *RegionLease) GetCloseableRegionIds() []uint64 {
+	if x != nil {
+		return x.CloseableRegionIds
+	}
+	return nil
+}
+
 type AskLeaderRequest struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -749,7 +757,7 @@ var file_greptime_v1_meta_heartbeat_proto_rawDesc = []byte{
 	0x6f, 0x6e, 0x49, 0x64, 0x12, 0x30, 0x0a, 0x04, 0x72, 0x6f, 0x6c, 0x65, 0x18, 0x02, 0x20, 0x01,
 	0x28, 0x0e, 0x32, 0x1c, 0x2e, 0x67, 0x72, 0x65, 0x70, 0x74, 0x69, 0x6d, 0x65, 0x2e, 0x76, 0x31,
 	0x2e, 0x6d, 0x65, 0x74, 0x61, 0x2e, 0x52, 0x65, 0x67, 0x69, 0x6f, 0x6e, 0x52, 0x6f, 0x6c, 0x65,
-	0x52, 0x04, 0x72, 0x6f, 0x6c, 0x65, 0x22, 0x9f, 0x01, 0x0a, 0x0b, 0x52, 0x65, 0x67, 0x69, 0x6f,
+	0x52, 0x04, 0x72, 0x6f, 0x6c, 0x65, 0x22, 0xd1, 0x01, 0x0a, 0x0b, 0x52, 0x65, 0x67, 0x69, 0x6f,
 	0x6e, 0x4c, 0x65, 0x61, 0x73, 0x65, 0x12, 0x39, 0x0a, 0x07, 0x72, 0x65, 0x67, 0x69, 0x6f, 0x6e,
 	0x73, 0x18, 0x01, 0x20, 0x03, 0x28, 0x0b, 0x32, 0x1f, 0x2e, 0x67, 0x72, 0x65, 0x70, 0x74, 0x69,
 	0x6d, 0x65, 0x2e, 0x76, 0x31, 0x2e, 0x6d, 0x65, 0x74, 0x61, 0x2e, 0x47, 0x72, 0x61, 0x6e, 0x74,
@@ -759,50 +767,53 @@ var file_greptime_v1_meta_heartbeat_proto_rawDesc = []byte{
 	0x12, 0x64, 0x75, 0x72, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x53, 0x69, 0x6e, 0x63, 0x65, 0x45, 0x70,
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+	0x65, 0x53, 0x65, 0x63, 0x6f, 0x6e, 0x64, 0x73, 0x12, 0x30, 0x0a, 0x14, 0x63, 0x6c, 0x6f, 0x73,
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+	0x65, 0x61, 0x62, 0x6c, 0x65, 0x5f, 0x72, 0x65, 0x67, 0x69, 0x6f, 0x6e, 0x5f, 0x69, 0x64, 0x73,
-	0x68, 0x65, 0x61, 0x64, 0x65, 0x72, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x1f, 0x2e, 0x67,
+	0x18, 0x04, 0x20, 0x03, 0x28, 0x04, 0x52, 0x12, 0x63, 0x6c, 0x6f, 0x73, 0x65, 0x61, 0x62, 0x6c,
+	0x65, 0x52, 0x65, 0x67, 0x69, 0x6f, 0x6e, 0x49, 0x64, 0x73, 0x22, 0x4b, 0x0a, 0x10, 0x41, 0x73,
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-	0x33,
 }
 
 var (

java/src/main/java/greptime/v1/meta/HeartbeatOuterClass.java

@@ -2271,7 +2271,7 @@ public final class HeartbeatOuterClass {
 
     /**
      * <pre>
-     * engine name
+     * Engine name
      * </pre>
      *
      * <code>string engine = 6;</code>
@@ -2280,7 +2280,7 @@ public final class HeartbeatOuterClass {
     java.lang.String getEngine();
     /**
      * <pre>
-     * engine name
+     * Engine name
      * </pre>
      *
      * <code>string engine = 6;</code>
@@ -2501,7 +2501,7 @@ public final class HeartbeatOuterClass {
     private volatile java.lang.Object engine_;
     /**
      * <pre>
-     * engine name
+     * Engine name
      * </pre>
      *
      * <code>string engine = 6;</code>
@@ -2522,7 +2522,7 @@ public final class HeartbeatOuterClass {
     }
     /**
      * <pre>
-     * engine name
+     * Engine name
      * </pre>
      *
      * <code>string engine = 6;</code>
@@ -3184,7 +3184,7 @@ public final class HeartbeatOuterClass {
       private java.lang.Object engine_ = "";
       /**
        * <pre>
-       * engine name
+       * Engine name
        * </pre>
        *
        * <code>string engine = 6;</code>
@@ -3204,7 +3204,7 @@ public final class HeartbeatOuterClass {
       }
       /**
        * <pre>
-       * engine name
+       * Engine name
        * </pre>
        *
        * <code>string engine = 6;</code>
@@ -3225,7 +3225,7 @@ public final class HeartbeatOuterClass {
       }
       /**
        * <pre>
-       * engine name
+       * Engine name
        * </pre>
        *
        * <code>string engine = 6;</code>
@@ -3244,7 +3244,7 @@ public final class HeartbeatOuterClass {
       }
       /**
        * <pre>
-       * engine name
+       * Engine name
        * </pre>
        *
        * <code>string engine = 6;</code>
@@ -3258,7 +3258,7 @@ public final class HeartbeatOuterClass {
       }
       /**
        * <pre>
-       * engine name
+       * Engine name
        * </pre>
        *
        * <code>string engine = 6;</code>
@@ -5069,6 +5069,23 @@ public final class HeartbeatOuterClass {
      * @return The leaseSeconds.
      */
     long getLeaseSeconds();
+
+    /**
+     * <code>repeated uint64 closeable_region_ids = 4;</code>
+     * @return A list containing the closeableRegionIds.
+     */
+    java.util.List<java.lang.Long> getCloseableRegionIdsList();
+    /**
+     * <code>repeated uint64 closeable_region_ids = 4;</code>
+     * @return The count of closeableRegionIds.
+     */
+    int getCloseableRegionIdsCount();
+    /**
+     * <code>repeated uint64 closeable_region_ids = 4;</code>
+     * @param index The index of the element to return.
+     * @return The closeableRegionIds at the given index.
+     */
+    long getCloseableRegionIds(int index);
   }
   /**
    * Protobuf type {@code greptime.v1.meta.RegionLease}
@@ -5084,6 +5101,7 @@ public final class HeartbeatOuterClass {
     }
     private RegionLease() {
       regions_ = java.util.Collections.emptyList();
+      closeableRegionIds_ = emptyLongList();
     }
 
     @java.lang.Override
@@ -5136,6 +5154,27 @@ public final class HeartbeatOuterClass {
               leaseSeconds_ = input.readUInt64();
               break;
             }
+            case 32: {
+              if (!((mutable_bitField0_ & 0x00000002) != 0)) {
+                closeableRegionIds_ = newLongList();
+                mutable_bitField0_ |= 0x00000002;
+              }
+              closeableRegionIds_.addLong(input.readUInt64());
+              break;
+            }
+            case 34: {
+              int length = input.readRawVarint32();
+              int limit = input.pushLimit(length);
+              if (!((mutable_bitField0_ & 0x00000002) != 0) && input.getBytesUntilLimit() > 0) {
+                closeableRegionIds_ = newLongList();
+                mutable_bitField0_ |= 0x00000002;
+              }
+              while (input.getBytesUntilLimit() > 0) {
+                closeableRegionIds_.addLong(input.readUInt64());
+              }
+              input.popLimit(limit);
+              break;
+            }
             default: {
               if (!parseUnknownField(
                   input, unknownFields, extensionRegistry, tag)) {
@@ -5156,6 +5195,9 @@ public final class HeartbeatOuterClass {
         if (((mutable_bitField0_ & 0x00000001) != 0)) {
           regions_ = java.util.Collections.unmodifiableList(regions_);
         }
+        if (((mutable_bitField0_ & 0x00000002) != 0)) {
+          closeableRegionIds_.makeImmutable(); // C
+        }
         this.unknownFields = unknownFields.build();
         makeExtensionsImmutable();
       }
@@ -5235,6 +5277,34 @@ public final class HeartbeatOuterClass {
       return leaseSeconds_;
     }
 
+    public static final int CLOSEABLE_REGION_IDS_FIELD_NUMBER = 4;
+    private com.google.protobuf.Internal.LongList closeableRegionIds_;
+    /**
+     * <code>repeated uint64 closeable_region_ids = 4;</code>
+     * @return A list containing the closeableRegionIds.
+     */
+    @java.lang.Override
+    public java.util.List<java.lang.Long>
+        getCloseableRegionIdsList() {
+      return closeableRegionIds_;
+    }
+    /**
+     * <code>repeated uint64 closeable_region_ids = 4;</code>
+     * @return The count of closeableRegionIds.
+     */
+    public int getCloseableRegionIdsCount() {
+      return closeableRegionIds_.size();
+    }
+    /**
+     * <code>repeated uint64 closeable_region_ids = 4;</code>
+     * @param index The index of the element to return.
+     * @return The closeableRegionIds at the given index.
+     */
+    public long getCloseableRegionIds(int index) {
+      return closeableRegionIds_.getLong(index);
+    }
+    private int closeableRegionIdsMemoizedSerializedSize = -1;
+
     private byte memoizedIsInitialized = -1;
     @java.lang.Override
     public final boolean isInitialized() {
@@ -5249,6 +5319,7 @@ public final class HeartbeatOuterClass {
     @java.lang.Override
     public void writeTo(com.google.protobuf.CodedOutputStream output)
                         throws java.io.IOException {
+      getSerializedSize();
       for (int i = 0; i < regions_.size(); i++) {
         output.writeMessage(1, regions_.get(i));
       }
@@ -5258,6 +5329,13 @@ public final class HeartbeatOuterClass {
       if (leaseSeconds_ != 0L) {
         output.writeUInt64(3, leaseSeconds_);
       }
+      if (getCloseableRegionIdsList().size() > 0) {
+        output.writeUInt32NoTag(34);
+        output.writeUInt32NoTag(closeableRegionIdsMemoizedSerializedSize);
+      }
+      for (int i = 0; i < closeableRegionIds_.size(); i++) {
+        output.writeUInt64NoTag(closeableRegionIds_.getLong(i));
+      }
       unknownFields.writeTo(output);
     }
 
@@ -5279,6 +5357,20 @@ public final class HeartbeatOuterClass {
         size += com.google.protobuf.CodedOutputStream
           .computeUInt64Size(3, leaseSeconds_);
       }
+      {
+        int dataSize = 0;
+        for (int i = 0; i < closeableRegionIds_.size(); i++) {
+          dataSize += com.google.protobuf.CodedOutputStream
+            .computeUInt64SizeNoTag(closeableRegionIds_.getLong(i));
+        }
+        size += dataSize;
+        if (!getCloseableRegionIdsList().isEmpty()) {
+          size += 1;
+          size += com.google.protobuf.CodedOutputStream
+              .computeInt32SizeNoTag(dataSize);
+        }
+        closeableRegionIdsMemoizedSerializedSize = dataSize;
+      }
       size += unknownFields.getSerializedSize();
       memoizedSize = size;
       return size;
@@ -5300,6 +5392,8 @@ public final class HeartbeatOuterClass {
           != other.getDurationSinceEpoch()) return false;
       if (getLeaseSeconds()
           != other.getLeaseSeconds()) return false;
+      if (!getCloseableRegionIdsList()
+          .equals(other.getCloseableRegionIdsList())) return false;
       if (!unknownFields.equals(other.unknownFields)) return false;
       return true;
     }
@@ -5321,6 +5415,10 @@ public final class HeartbeatOuterClass {
       hash = (37 * hash) + LEASE_SECONDS_FIELD_NUMBER;
       hash = (53 * hash) + com.google.protobuf.Internal.hashLong(
           getLeaseSeconds());
+      if (getCloseableRegionIdsCount() > 0) {
+        hash = (37 * hash) + CLOSEABLE_REGION_IDS_FIELD_NUMBER;
+        hash = (53 * hash) + getCloseableRegionIdsList().hashCode();
+      }
       hash = (29 * hash) + unknownFields.hashCode();
       memoizedHashCode = hash;
       return hash;
@@ -5465,6 +5563,8 @@ public final class HeartbeatOuterClass {
 
         leaseSeconds_ = 0L;
 
+        closeableRegionIds_ = emptyLongList();
+        bitField0_ = (bitField0_ & ~0x00000002);
         return this;
       }
 
@@ -5503,6 +5603,11 @@ public final class HeartbeatOuterClass {
         }
         result.durationSinceEpoch_ = durationSinceEpoch_;
         result.leaseSeconds_ = leaseSeconds_;
+        if (((bitField0_ & 0x00000002) != 0)) {
+          closeableRegionIds_.makeImmutable();
+          bitField0_ = (bitField0_ & ~0x00000002);
+        }
+        result.closeableRegionIds_ = closeableRegionIds_;
         onBuilt();
         return result;
       }
@@ -5583,6 +5688,16 @@ public final class HeartbeatOuterClass {
         if (other.getLeaseSeconds() != 0L) {
           setLeaseSeconds(other.getLeaseSeconds());
         }
+        if (!other.closeableRegionIds_.isEmpty()) {
+          if (closeableRegionIds_.isEmpty()) {
+            closeableRegionIds_ = other.closeableRegionIds_;
+            bitField0_ = (bitField0_ & ~0x00000002);
+          } else {
+            ensureCloseableRegionIdsIsMutable();
+            closeableRegionIds_.addAll(other.closeableRegionIds_);
+          }
+          onChanged();
+        }
         this.mergeUnknownFields(other.unknownFields);
         onChanged();
         return this;
@@ -5914,6 +6029,85 @@ public final class HeartbeatOuterClass {
         onChanged();
         return this;
       }
+
+      private com.google.protobuf.Internal.LongList closeableRegionIds_ = emptyLongList();
+      private void ensureCloseableRegionIdsIsMutable() {
+        if (!((bitField0_ & 0x00000002) != 0)) {
+          closeableRegionIds_ = mutableCopy(closeableRegionIds_);
+          bitField0_ |= 0x00000002;
+         }
+      }
+      /**
+       * <code>repeated uint64 closeable_region_ids = 4;</code>
+       * @return A list containing the closeableRegionIds.
+       */
+      public java.util.List<java.lang.Long>
+          getCloseableRegionIdsList() {
+        return ((bitField0_ & 0x00000002) != 0) ?
+                 java.util.Collections.unmodifiableList(closeableRegionIds_) : closeableRegionIds_;
+      }
+      /**
+       * <code>repeated uint64 closeable_region_ids = 4;</code>
+       * @return The count of closeableRegionIds.
+       */
+      public int getCloseableRegionIdsCount() {
+        return closeableRegionIds_.size();
+      }
+      /**
+       * <code>repeated uint64 closeable_region_ids = 4;</code>
+       * @param index The index of the element to return.
+       * @return The closeableRegionIds at the given index.
+       */
+      public long getCloseableRegionIds(int index) {
+        return closeableRegionIds_.getLong(index);
+      }
+      /**
+       * <code>repeated uint64 closeable_region_ids = 4;</code>
+       * @param index The index to set the value at.
+       * @param value The closeableRegionIds to set.
+       * @return This builder for chaining.
+       */
+      public Builder setCloseableRegionIds(
+          int index, long value) {
+        ensureCloseableRegionIdsIsMutable();
+        closeableRegionIds_.setLong(index, value);
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>repeated uint64 closeable_region_ids = 4;</code>
+       * @param value The closeableRegionIds to add.
+       * @return This builder for chaining.
+       */
+      public Builder addCloseableRegionIds(long value) {
+        ensureCloseableRegionIdsIsMutable();
+        closeableRegionIds_.addLong(value);
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>repeated uint64 closeable_region_ids = 4;</code>
+       * @param values The closeableRegionIds to add.
+       * @return This builder for chaining.
+       */
+      public Builder addAllCloseableRegionIds(
+          java.lang.Iterable<? extends java.lang.Long> values) {
+        ensureCloseableRegionIdsIsMutable();
+        com.google.protobuf.AbstractMessageLite.Builder.addAll(
+            values, closeableRegionIds_);
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>repeated uint64 closeable_region_ids = 4;</code>
+       * @return This builder for chaining.
+       */
+      public Builder clearCloseableRegionIds() {
+        closeableRegionIds_ = emptyLongList();
+        bitField0_ = (bitField0_ & ~0x00000002);
+        onChanged();
+        return this;
+      }
       @java.lang.Override
       public final Builder setUnknownFields(
           final com.google.protobuf.UnknownFieldSet unknownFields) {
@@ -8851,25 +9045,26 @@ public final class HeartbeatOuterClass {
       "egion_lease\030\003 \001(\0132\035.greptime.v1.meta.Reg" +
       "ionLease\"N\n\rGrantedRegion\022\021\n\tregion_id\030\001" +
       " \001(\004\022*\n\004role\030\002 \001(\0162\034.greptime.v1.meta.Re" +
-      "gionRole\"t\n\013RegionLease\0220\n\007regions\030\001 \003(\013" +
+      "gionRole\"\222\001\n\013RegionLease\0220\n\007regions\030\001 \003(" +
-      "2\037.greptime.v1.meta.GrantedRegion\022\034\n\024dur" +
+      "\0132\037.greptime.v1.meta.GrantedRegion\022\034\n\024du" +
-      "ation_since_epoch\030\002 \001(\004\022\025\n\rlease_seconds" +
+      "ration_since_epoch\030\002 \001(\004\022\025\n\rlease_second" +
-      "\030\003 \001(\004\"C\n\020AskLeaderRequest\022/\n\006header\030\001 \001" +
+      "s\030\003 \001(\004\022\034\n\024closeable_region_ids\030\004 \003(\004\"C\n" +
-      "(\0132\037.greptime.v1.meta.RequestHeader\"m\n\021A" +
+      "\020AskLeaderRequest\022/\n\006header\030\001 \001(\0132\037.grep" +
-      "skLeaderResponse\0220\n\006header\030\001 \001(\0132 .grept" +
+      "time.v1.meta.RequestHeader\"m\n\021AskLeaderR" +
-      "ime.v1.meta.ResponseHeader\022&\n\006leader\030\002 \001" +
+      "esponse\0220\n\006header\030\001 \001(\0132 .greptime.v1.me" +
-      "(\0132\026.greptime.v1.meta.Peer\"|\n\016MailboxMes" +
+      "ta.ResponseHeader\022&\n\006leader\030\002 \001(\0132\026.grep" +
-      "sage\022\n\n\002id\030\001 \001(\004\022\017\n\007subject\030\002 \001(\t\022\014\n\004fro" +
+      "time.v1.meta.Peer\"|\n\016MailboxMessage\022\n\n\002i" +
-      "m\030\003 \001(\t\022\n\n\002to\030\004 \001(\t\022\030\n\020timestamp_millis\030" +
+      "d\030\001 \001(\004\022\017\n\007subject\030\002 \001(\t\022\014\n\004from\030\003 \001(\t\022\n" +
-      "\005 \001(\003\022\016\n\004json\030\006 \001(\tH\000B\t\n\007payload*&\n\nRegi" +
+      "\n\002to\030\004 \001(\t\022\030\n\020timestamp_millis\030\005 \001(\003\022\016\n\004" +
-      "onRole\022\n\n\006Leader\020\000\022\014\n\010Follower\020\0012\277\001\n\tHea" +
+      "json\030\006 \001(\tH\000B\t\n\007payload*&\n\nRegionRole\022\n\n" +
-      "rtbeat\022Z\n\tHeartbeat\022\".greptime.v1.meta.H" +
+      "\006Leader\020\000\022\014\n\010Follower\020\0012\277\001\n\tHeartbeat\022Z\n" +
-      "eartbeatRequest\032#.greptime.v1.meta.Heart" +
+      "\tHeartbeat\022\".greptime.v1.meta.HeartbeatR" +
-      "beatResponse\"\000(\0010\001\022V\n\tAskLeader\022\".grepti" +
+      "equest\032#.greptime.v1.meta.HeartbeatRespo" +
-      "me.v1.meta.AskLeaderRequest\032#.greptime.v" +
+      "nse\"\000(\0010\001\022V\n\tAskLeader\022\".greptime.v1.met" +
-      "1.meta.AskLeaderResponse\"\000B<Z:github.com" +
+      "a.AskLeaderRequest\032#.greptime.v1.meta.As" +
-      "/GreptimeTeam/greptime-proto/go/greptime" +
+      "kLeaderResponse\"\000B<Z:github.com/Greptime" +
-      "/v1/metab\006proto3"
+      "Team/greptime-proto/go/greptime/v1/metab" +
+      "\006proto3"
     };
     descriptor = com.google.protobuf.Descriptors.FileDescriptor
       .internalBuildGeneratedFileFrom(descriptorData,
@@ -8905,7 +9100,7 @@ public final class HeartbeatOuterClass {
     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", });
+        new java.lang.String[] { "Regions", "DurationSinceEpoch", "LeaseSeconds", "CloseableRegionIds", });
     internal_static_greptime_v1_meta_AskLeaderRequest_descriptor =
       getDescriptor().getMessageTypes().get(5);
     internal_static_greptime_v1_meta_AskLeaderRequest_fieldAccessorTable = new

proto/greptime/v1/meta/heartbeat.proto

@@ -65,7 +65,7 @@ message RegionStat {
   int64 approximate_bytes = 4;
   // Approximate number of rows in this region
   int64 approximate_rows = 5;
-  // engine name
+  // Engine name
   string engine = 6;
   // Region role
   RegionRole role = 7;
@@ -86,6 +86,7 @@ message RegionLease {
   repeated GrantedRegion regions = 1;
   uint64 duration_since_epoch = 2;
   uint64 lease_seconds = 3;
+  repeated uint64 closeable_region_ids = 4;
 }
 
 message AskLeaderRequest { RequestHeader header = 1; }