diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7810ecb..fcb7fa7 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -39,6 +39,7 @@ jobs:
         run: cargo check --workspace --all-targets
       - uses: arduino/setup-protoc@v3
         with:
+          version: '21.12'
           repo-token: ${{ secrets.GITHUB_TOKEN }}
       - name: Generate protobuf
         run: |
diff --git a/Makefile b/Makefile
index 40be358..09ff81b 100644
--- a/Makefile
+++ b/Makefile
@@ -1,10 +1,23 @@
-.PHONY: all rust go go-deps java
+.PHONY: all rust go go-deps java cpp check-protoc
 
 BUILDER_CONTAINER=namely/protoc-all:1.51_2
+PROTOC_VERSION=3.21.12
 
 all: rust go java cpp
 
-rust:
+check-protoc:
+	@if ! command -v protoc >/dev/null 2>&1; then \
+		echo "Error: protoc is not installed. Please install protoc $(PROTOC_VERSION)."; \
+		exit 1; \
+	fi
+	@CURRENT_PROTOC_VERSION=$$(protoc --version | awk '{print $$2}'); \
+	if [ "$$CURRENT_PROTOC_VERSION" != "$(PROTOC_VERSION)" ]; then \
+		echo "Error: Required protoc version is $(PROTOC_VERSION), but found $$CURRENT_PROTOC_VERSION."; \
+		echo "Please install protoc $(PROTOC_VERSION) to ensure generated code is consistent."; \
+		exit 1; \
+	fi
+
+rust: check-protoc
 	cargo run --manifest-path xtask/Cargo.toml -- generate-rust
 
 go: go-deps
diff --git a/c++/greptime/v1/region/server.pb.cc b/c++/greptime/v1/region/server.pb.cc
index 01ca959..3073eaa 100644
--- a/c++/greptime/v1/region/server.pb.cc
+++ b/c++/greptime/v1/region/server.pb.cc
@@ -225,6 +225,7 @@ PROTOBUF_CONSTEXPR DropRequest::DropRequest(
   , /*decltype(_impl_.fast_path_)*/false
   , /*decltype(_impl_.force_)*/false
   , /*decltype(_impl_.partial_drop_)*/false
+  , /*decltype(_impl_.soft_drop_)*/false
   , /*decltype(_impl_._cached_size_)*/{}} {}
 struct DropRequestDefaultTypeInternal {
   PROTOBUF_CONSTEXPR DropRequestDefaultTypeInternal()
@@ -738,6 +739,7 @@ const uint32_t TableStruct_greptime_2fv1_2fregion_2fserver_2eproto::offsets[] PR
   PROTOBUF_FIELD_OFFSET(::greptime::v1::region::DropRequest, _impl_.fast_path_),
   PROTOBUF_FIELD_OFFSET(::greptime::v1::region::DropRequest, _impl_.force_),
   PROTOBUF_FIELD_OFFSET(::greptime::v1::region::DropRequest, _impl_.partial_drop_),
+  PROTOBUF_FIELD_OFFSET(::greptime::v1::region::DropRequest, _impl_.soft_drop_),
   PROTOBUF_FIELD_OFFSET(::greptime::v1::region::OpenRequest_OptionsEntry_DoNotUse, _has_bits_),
   PROTOBUF_FIELD_OFFSET(::greptime::v1::region::OpenRequest_OptionsEntry_DoNotUse, _internal_metadata_),
   ~0u,  // no _extensions_
@@ -967,31 +969,31 @@ static const ::_pbi::MigrationSchema schemas[] PROTOBUF_SECTION_VARIABLE(protode
   { 123, -1, -1, sizeof(::greptime::v1::region::CreateRequest)},
   { 136, -1, -1, sizeof(::greptime::v1::region::DropRequests)},
   { 143, -1, -1, sizeof(::greptime::v1::region::DropRequest)},
-  { 153, 161, -1, sizeof(::greptime::v1::region::OpenRequest_OptionsEntry_DoNotUse)},
-  { 163, -1, -1, sizeof(::greptime::v1::region::OpenRequest)},
-  { 173, -1, -1, sizeof(::greptime::v1::region::CloseRequest)},
-  { 180, -1, -1, sizeof(::greptime::v1::region::AlterRequests)},
-  { 187, -1, -1, sizeof(::greptime::v1::region::AlterRequest)},
-  { 208, -1, -1, sizeof(::greptime::v1::region::SyncColumns)},
-  { 215, -1, -1, sizeof(::greptime::v1::region::AddColumns)},
-  { 222, -1, -1, sizeof(::greptime::v1::region::DropColumns)},
-  { 229, -1, -1, sizeof(::greptime::v1::region::AddColumn)},
-  { 237, -1, -1, sizeof(::greptime::v1::region::DropColumn)},
-  { 244, -1, -1, sizeof(::greptime::v1::region::FlushRequest)},
-  { 251, -1, -1, sizeof(::greptime::v1::region::Regular)},
-  { 257, -1, -1, sizeof(::greptime::v1::region::StrictWindow)},
-  { 264, -1, -1, sizeof(::greptime::v1::region::CompactRequest)},
-  { 275, -1, -1, sizeof(::greptime::v1::region::TruncateRequest)},
-  { 285, -1, -1, sizeof(::greptime::v1::region::All)},
-  { 291, -1, -1, sizeof(::greptime::v1::region::RegionColumnDef)},
-  { 299, -1, -1, sizeof(::greptime::v1::region::BulkInsertRequest)},
-  { 309, -1, -1, sizeof(::greptime::v1::region::MitoManifestInfo)},
-  { 316, -1, -1, sizeof(::greptime::v1::region::MetricManifestInfo)},
-  { 324, -1, -1, sizeof(::greptime::v1::region::SyncRequest)},
-  { 334, -1, -1, sizeof(::greptime::v1::region::ListMetadataRequest)},
-  { 341, -1, -1, sizeof(::greptime::v1::region::BuildIndexRequest)},
-  { 348, -1, -1, sizeof(::greptime::v1::region::FileMetas)},
-  { 355, -1, -1, sizeof(::greptime::v1::region::ApplyStagingManifestRequest)},
+  { 154, 162, -1, sizeof(::greptime::v1::region::OpenRequest_OptionsEntry_DoNotUse)},
+  { 164, -1, -1, sizeof(::greptime::v1::region::OpenRequest)},
+  { 174, -1, -1, sizeof(::greptime::v1::region::CloseRequest)},
+  { 181, -1, -1, sizeof(::greptime::v1::region::AlterRequests)},
+  { 188, -1, -1, sizeof(::greptime::v1::region::AlterRequest)},
+  { 209, -1, -1, sizeof(::greptime::v1::region::SyncColumns)},
+  { 216, -1, -1, sizeof(::greptime::v1::region::AddColumns)},
+  { 223, -1, -1, sizeof(::greptime::v1::region::DropColumns)},
+  { 230, -1, -1, sizeof(::greptime::v1::region::AddColumn)},
+  { 238, -1, -1, sizeof(::greptime::v1::region::DropColumn)},
+  { 245, -1, -1, sizeof(::greptime::v1::region::FlushRequest)},
+  { 252, -1, -1, sizeof(::greptime::v1::region::Regular)},
+  { 258, -1, -1, sizeof(::greptime::v1::region::StrictWindow)},
+  { 265, -1, -1, sizeof(::greptime::v1::region::CompactRequest)},
+  { 276, -1, -1, sizeof(::greptime::v1::region::TruncateRequest)},
+  { 286, -1, -1, sizeof(::greptime::v1::region::All)},
+  { 292, -1, -1, sizeof(::greptime::v1::region::RegionColumnDef)},
+  { 300, -1, -1, sizeof(::greptime::v1::region::BulkInsertRequest)},
+  { 310, -1, -1, sizeof(::greptime::v1::region::MitoManifestInfo)},
+  { 317, -1, -1, sizeof(::greptime::v1::region::MetricManifestInfo)},
+  { 325, -1, -1, sizeof(::greptime::v1::region::SyncRequest)},
+  { 335, -1, -1, sizeof(::greptime::v1::region::ListMetadataRequest)},
+  { 342, -1, -1, sizeof(::greptime::v1::region::BuildIndexRequest)},
+  { 349, -1, -1, sizeof(::greptime::v1::region::FileMetas)},
+  { 356, -1, -1, sizeof(::greptime::v1::region::ApplyStagingManifestRequest)},
 };
 
 static const ::_pb::Message* const file_default_instances[] = {
@@ -1104,78 +1106,79 @@ const char descriptor_table_protodef_greptime_2fv1_2fregion_2fserver_2eproto[] P
   "n\030\007 \001(\0132\033.greptime.v1.meta.Partition\032.\n\014"
   "OptionsEntry\022\013\n\003key\030\001 \001(\t\022\r\n\005value\030\002 \001(\t"
   ":\0028\001\"A\n\014DropRequests\0221\n\010requests\030\001 \003(\0132\037"
-  ".greptime.v1.region.DropRequest\"X\n\013DropR"
+  ".greptime.v1.region.DropRequest\"k\n\013DropR"
   "equest\022\021\n\tregion_id\030\001 \001(\004\022\021\n\tfast_path\030\002"
   " \001(\010\022\r\n\005force\030\003 \001(\010\022\024\n\014partial_drop\030\004 \001("
-  "\010\"\255\001\n\013OpenRequest\022\021\n\tregion_id\030\001 \001(\004\022\016\n\006"
-  "engine\030\002 \001(\t\022\014\n\004path\030\003 \001(\t\022=\n\007options\030\004 "
-  "\003(\0132,.greptime.v1.region.OpenRequest.Opt"
-  "ionsEntry\032.\n\014OptionsEntry\022\013\n\003key\030\001 \001(\t\022\r"
-  "\n\005value\030\002 \001(\t:\0028\001\"!\n\014CloseRequest\022\021\n\treg"
-  "ion_id\030\001 \001(\004\"C\n\rAlterRequests\0222\n\010request"
-  "s\030\001 \003(\0132 .greptime.v1.region.AlterReques"
-  "t\"\311\005\n\014AlterRequest\022\021\n\tregion_id\030\001 \001(\004\0225\n"
-  "\013add_columns\030\002 \001(\0132\036.greptime.v1.region."
-  "AddColumnsH\000\0227\n\014drop_columns\030\003 \001(\0132\037.gre"
-  "ptime.v1.region.DropColumnsH\000\022=\n\023modify_"
-  "column_types\030\005 \001(\0132\036.greptime.v1.ModifyC"
-  "olumnTypesH\000\0229\n\021set_table_options\030\006 \001(\0132"
-  "\034.greptime.v1.SetTableOptionsH\000\022=\n\023unset"
-  "_table_options\030\t \001(\0132\036.greptime.v1.Unset"
-  "TableOptionsH\000\022*\n\tset_index\030\n \001(\0132\025.grep"
-  "time.v1.SetIndexH\000\022.\n\013unset_index\030\013 \001(\0132"
-  "\027.greptime.v1.UnsetIndexH\000\0222\n\rdrop_defau"
-  "lts\030\014 \001(\0132\031.greptime.v1.DropDefaultsH\000\022."
-  "\n\013set_indexes\030\r \001(\0132\027.greptime.v1.SetInd"
-  "exesH\000\0222\n\runset_indexes\030\016 \001(\0132\031.greptime"
-  ".v1.UnsetIndexesH\000\0220\n\014set_defaults\030\017 \001(\013"
-  "2\030.greptime.v1.SetDefaultsH\000\0227\n\014sync_col"
-  "umns\030\020 \001(\0132\037.greptime.v1.region.SyncColu"
-  "mnsH\000\022\026\n\016schema_version\030\004 \001(\004B\006\n\004kind\"G\n"
-  "\013SyncColumns\0228\n\013column_defs\030\001 \003(\0132#.grep"
-  "time.v1.region.RegionColumnDef\"@\n\nAddCol"
-  "umns\0222\n\013add_columns\030\001 \003(\0132\035.greptime.v1."
-  "region.AddColumn\"C\n\013DropColumns\0224\n\014drop_"
-  "columns\030\001 \003(\0132\036.greptime.v1.region.DropC"
-  "olumn\"v\n\tAddColumn\0227\n\ncolumn_def\030\001 \001(\0132#"
-  ".greptime.v1.region.RegionColumnDef\0220\n\010l"
-  "ocation\030\003 \001(\0132\036.greptime.v1.AddColumnLoc"
-  "ation\"\032\n\nDropColumn\022\014\n\004name\030\001 \001(\t\"!\n\014Flu"
-  "shRequest\022\021\n\tregion_id\030\001 \001(\004\"\t\n\007Regular\""
-  "&\n\014StrictWindow\022\026\n\016window_seconds\030\001 \001(\003\""
-  "\256\001\n\016CompactRequest\022\021\n\tregion_id\030\001 \001(\004\022.\n"
-  "\007regular\030\002 \001(\0132\033.greptime.v1.region.Regu"
-  "larH\000\0229\n\rstrict_window\030\003 \001(\0132 .greptime."
-  "v1.region.StrictWindowH\000\022\023\n\013parallelism\030"
-  "\004 \001(\rB\t\n\007options\"\204\001\n\017TruncateRequest\022\021\n\t"
-  "region_id\030\001 \001(\004\022&\n\003all\030\002 \001(\0132\027.greptime."
-  "v1.region.AllH\000\022.\n\013time_ranges\030\003 \001(\0132\027.g"
-  "reptime.v1.TimeRangesH\000B\006\n\004kind\"\005\n\003All\"P"
-  "\n\017RegionColumnDef\022*\n\ncolumn_def\030\001 \001(\0132\026."
-  "greptime.v1.ColumnDef\022\021\n\tcolumn_id\030\002 \001(\r"
-  "\"\235\001\n\021BulkInsertRequest\022\021\n\tregion_id\030\001 \001("
-  "\004\022*\n\tarrow_ipc\030\002 \001(\0132\025.greptime.v1.Arrow"
-  "IpcH\000\022A\n\026partition_expr_version\030\003 \001(\0132!."
-  "greptime.v1.PartitionExprVersionB\006\n\004body"
-  "\"1\n\020MitoManifestInfo\022\035\n\025data_manifest_ve"
-  "rsion\030\001 \001(\004\"V\n\022MetricManifestInfo\022\035\n\025dat"
-  "a_manifest_version\030\001 \001(\004\022!\n\031metadata_man"
-  "ifest_version\030\002 \001(\004\"\275\001\n\013SyncRequest\022\021\n\tr"
-  "egion_id\030\001 \001(\004\022B\n\022mito_manifest_info\030\002 \001"
-  "(\0132$.greptime.v1.region.MitoManifestInfo"
-  "H\000\022F\n\024metric_manifest_info\030\003 \001(\0132&.grept"
-  "ime.v1.region.MetricManifestInfoH\000B\017\n\rma"
-  "nifest_info\")\n\023ListMetadataRequest\022\022\n\nre"
-  "gion_ids\030\001 \003(\004\"&\n\021BuildIndexRequest\022\021\n\tr"
-  "egion_id\030\001 \001(\004\"\031\n\tFileMetas\022\014\n\004data\030\001 \001("
-  "\014\"z\n\033ApplyStagingManifestRequest\022\021\n\tregi"
-  "on_id\030\001 \001(\004\022\026\n\016partition_expr\030\002 \001(\t\022\031\n\021c"
-  "entral_region_id\030\003 \001(\004\022\025\n\rmanifest_path\030"
-  "\004 \001(\t2Y\n\006Region\022O\n\006Handle\022!.greptime.v1."
-  "region.RegionRequest\032\".greptime.v1.regio"
-  "n.RegionResponseB]\n\025io.greptime.v1.regio"
-  "nB\006ServerZ<github.com/GreptimeTeam/grept"
-  "ime-proto/go/greptime/v1/regionb\006proto3"
+  "\010\022\021\n\tsoft_drop\030\005 \001(\010\"\255\001\n\013OpenRequest\022\021\n\t"
+  "region_id\030\001 \001(\004\022\016\n\006engine\030\002 \001(\t\022\014\n\004path\030"
+  "\003 \001(\t\022=\n\007options\030\004 \003(\0132,.greptime.v1.reg"
+  "ion.OpenRequest.OptionsEntry\032.\n\014OptionsE"
+  "ntry\022\013\n\003key\030\001 \001(\t\022\r\n\005value\030\002 \001(\t:\0028\001\"!\n\014"
+  "CloseRequest\022\021\n\tregion_id\030\001 \001(\004\"C\n\rAlter"
+  "Requests\0222\n\010requests\030\001 \003(\0132 .greptime.v1"
+  ".region.AlterRequest\"\311\005\n\014AlterRequest\022\021\n"
+  "\tregion_id\030\001 \001(\004\0225\n\013add_columns\030\002 \001(\0132\036."
+  "greptime.v1.region.AddColumnsH\000\0227\n\014drop_"
+  "columns\030\003 \001(\0132\037.greptime.v1.region.DropC"
+  "olumnsH\000\022=\n\023modify_column_types\030\005 \001(\0132\036."
+  "greptime.v1.ModifyColumnTypesH\000\0229\n\021set_t"
+  "able_options\030\006 \001(\0132\034.greptime.v1.SetTabl"
+  "eOptionsH\000\022=\n\023unset_table_options\030\t \001(\0132"
+  "\036.greptime.v1.UnsetTableOptionsH\000\022*\n\tset"
+  "_index\030\n \001(\0132\025.greptime.v1.SetIndexH\000\022.\n"
+  "\013unset_index\030\013 \001(\0132\027.greptime.v1.UnsetIn"
+  "dexH\000\0222\n\rdrop_defaults\030\014 \001(\0132\031.greptime."
+  "v1.DropDefaultsH\000\022.\n\013set_indexes\030\r \001(\0132\027"
+  ".greptime.v1.SetIndexesH\000\0222\n\runset_index"
+  "es\030\016 \001(\0132\031.greptime.v1.UnsetIndexesH\000\0220\n"
+  "\014set_defaults\030\017 \001(\0132\030.greptime.v1.SetDef"
+  "aultsH\000\0227\n\014sync_columns\030\020 \001(\0132\037.greptime"
+  ".v1.region.SyncColumnsH\000\022\026\n\016schema_versi"
+  "on\030\004 \001(\004B\006\n\004kind\"G\n\013SyncColumns\0228\n\013colum"
+  "n_defs\030\001 \003(\0132#.greptime.v1.region.Region"
+  "ColumnDef\"@\n\nAddColumns\0222\n\013add_columns\030\001"
+  " \003(\0132\035.greptime.v1.region.AddColumn\"C\n\013D"
+  "ropColumns\0224\n\014drop_columns\030\001 \003(\0132\036.grept"
+  "ime.v1.region.DropColumn\"v\n\tAddColumn\0227\n"
+  "\ncolumn_def\030\001 \001(\0132#.greptime.v1.region.R"
+  "egionColumnDef\0220\n\010location\030\003 \001(\0132\036.grept"
+  "ime.v1.AddColumnLocation\"\032\n\nDropColumn\022\014"
+  "\n\004name\030\001 \001(\t\"!\n\014FlushRequest\022\021\n\tregion_i"
+  "d\030\001 \001(\004\"\t\n\007Regular\"&\n\014StrictWindow\022\026\n\016wi"
+  "ndow_seconds\030\001 \001(\003\"\256\001\n\016CompactRequest\022\021\n"
+  "\tregion_id\030\001 \001(\004\022.\n\007regular\030\002 \001(\0132\033.grep"
+  "time.v1.region.RegularH\000\0229\n\rstrict_windo"
+  "w\030\003 \001(\0132 .greptime.v1.region.StrictWindo"
+  "wH\000\022\023\n\013parallelism\030\004 \001(\rB\t\n\007options\"\204\001\n\017"
+  "TruncateRequest\022\021\n\tregion_id\030\001 \001(\004\022&\n\003al"
+  "l\030\002 \001(\0132\027.greptime.v1.region.AllH\000\022.\n\013ti"
+  "me_ranges\030\003 \001(\0132\027.greptime.v1.TimeRanges"
+  "H\000B\006\n\004kind\"\005\n\003All\"P\n\017RegionColumnDef\022*\n\n"
+  "column_def\030\001 \001(\0132\026.greptime.v1.ColumnDef"
+  "\022\021\n\tcolumn_id\030\002 \001(\r\"\235\001\n\021BulkInsertReques"
+  "t\022\021\n\tregion_id\030\001 \001(\004\022*\n\tarrow_ipc\030\002 \001(\0132"
+  "\025.greptime.v1.ArrowIpcH\000\022A\n\026partition_ex"
+  "pr_version\030\003 \001(\0132!.greptime.v1.Partition"
+  "ExprVersionB\006\n\004body\"1\n\020MitoManifestInfo\022"
+  "\035\n\025data_manifest_version\030\001 \001(\004\"V\n\022Metric"
+  "ManifestInfo\022\035\n\025data_manifest_version\030\001 "
+  "\001(\004\022!\n\031metadata_manifest_version\030\002 \001(\004\"\275"
+  "\001\n\013SyncRequest\022\021\n\tregion_id\030\001 \001(\004\022B\n\022mit"
+  "o_manifest_info\030\002 \001(\0132$.greptime.v1.regi"
+  "on.MitoManifestInfoH\000\022F\n\024metric_manifest"
+  "_info\030\003 \001(\0132&.greptime.v1.region.MetricM"
+  "anifestInfoH\000B\017\n\rmanifest_info\")\n\023ListMe"
+  "tadataRequest\022\022\n\nregion_ids\030\001 \003(\004\"&\n\021Bui"
+  "ldIndexRequest\022\021\n\tregion_id\030\001 \001(\004\"\031\n\tFil"
+  "eMetas\022\014\n\004data\030\001 \001(\014\"z\n\033ApplyStagingMani"
+  "festRequest\022\021\n\tregion_id\030\001 \001(\004\022\026\n\016partit"
+  "ion_expr\030\002 \001(\t\022\031\n\021central_region_id\030\003 \001("
+  "\004\022\025\n\rmanifest_path\030\004 \001(\t2Y\n\006Region\022O\n\006Ha"
+  "ndle\022!.greptime.v1.region.RegionRequest\032"
+  "\".greptime.v1.region.RegionResponseB]\n\025i"
+  "o.greptime.v1.regionB\006ServerZ<github.com"
+  "/GreptimeTeam/greptime-proto/go/greptime"
+  "/v1/regionb\006proto3"
   ;
 static const ::_pbi::DescriptorTable* const descriptor_table_greptime_2fv1_2fregion_2fserver_2eproto_deps[4] = {
   &::descriptor_table_greptime_2fv1_2fcommon_2eproto,
@@ -1185,7 +1188,7 @@ static const ::_pbi::DescriptorTable* const descriptor_table_greptime_2fv1_2freg
 };
 static ::_pbi::once_flag descriptor_table_greptime_2fv1_2fregion_2fserver_2eproto_once;
 const ::_pbi::DescriptorTable descriptor_table_greptime_2fv1_2fregion_2fserver_2eproto = {
-    false, false, 5519, descriptor_table_protodef_greptime_2fv1_2fregion_2fserver_2eproto,
+    false, false, 5538, descriptor_table_protodef_greptime_2fv1_2fregion_2fserver_2eproto,
     "greptime/v1/region/server.proto",
     &descriptor_table_greptime_2fv1_2fregion_2fserver_2eproto_once, descriptor_table_greptime_2fv1_2fregion_2fserver_2eproto_deps, 4, 40,
     schemas, file_default_instances, TableStruct_greptime_2fv1_2fregion_2fserver_2eproto::offsets,
@@ -5240,12 +5243,13 @@ DropRequest::DropRequest(const DropRequest& from)
     , decltype(_impl_.fast_path_){}
     , decltype(_impl_.force_){}
     , decltype(_impl_.partial_drop_){}
+    , decltype(_impl_.soft_drop_){}
     , /*decltype(_impl_._cached_size_)*/{}};
 
   _internal_metadata_.MergeFrom<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(from._internal_metadata_);
   ::memcpy(&_impl_.region_id_, &from._impl_.region_id_,
-    static_cast<size_t>(reinterpret_cast<char*>(&_impl_.partial_drop_) -
-    reinterpret_cast<char*>(&_impl_.region_id_)) + sizeof(_impl_.partial_drop_));
+    static_cast<size_t>(reinterpret_cast<char*>(&_impl_.soft_drop_) -
+    reinterpret_cast<char*>(&_impl_.region_id_)) + sizeof(_impl_.soft_drop_));
   // @@protoc_insertion_point(copy_constructor:greptime.v1.region.DropRequest)
 }
 
@@ -5258,6 +5262,7 @@ inline void DropRequest::SharedCtor(
     , decltype(_impl_.fast_path_){false}
     , decltype(_impl_.force_){false}
     , decltype(_impl_.partial_drop_){false}
+    , decltype(_impl_.soft_drop_){false}
     , /*decltype(_impl_._cached_size_)*/{}
   };
 }
@@ -5286,8 +5291,8 @@ void DropRequest::Clear() {
   (void) cached_has_bits;
 
   ::memset(&_impl_.region_id_, 0, static_cast<size_t>(
-      reinterpret_cast<char*>(&_impl_.partial_drop_) -
-      reinterpret_cast<char*>(&_impl_.region_id_)) + sizeof(_impl_.partial_drop_));
+      reinterpret_cast<char*>(&_impl_.soft_drop_) -
+      reinterpret_cast<char*>(&_impl_.region_id_)) + sizeof(_impl_.soft_drop_));
   _internal_metadata_.Clear<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>();
 }
 
@@ -5329,6 +5334,14 @@ const char* DropRequest::_InternalParse(const char* ptr, ::_pbi::ParseContext* c
         } else
           goto handle_unusual;
         continue;
+      // bool soft_drop = 5;
+      case 5:
+        if (PROTOBUF_PREDICT_TRUE(static_cast<uint8_t>(tag) == 40)) {
+          _impl_.soft_drop_ = ::PROTOBUF_NAMESPACE_ID::internal::ReadVarint64(&ptr);
+          CHK_(ptr);
+        } else
+          goto handle_unusual;
+        continue;
       default:
         goto handle_unusual;
     }  // switch
@@ -5382,6 +5395,12 @@ uint8_t* DropRequest::_InternalSerialize(
     target = ::_pbi::WireFormatLite::WriteBoolToArray(4, this->_internal_partial_drop(), target);
   }
 
+  // bool soft_drop = 5;
+  if (this->_internal_soft_drop() != 0) {
+    target = stream->EnsureSpace(target);
+    target = ::_pbi::WireFormatLite::WriteBoolToArray(5, this->_internal_soft_drop(), 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);
@@ -5418,6 +5437,11 @@ size_t DropRequest::ByteSizeLong() const {
     total_size += 1 + 1;
   }
 
+  // bool soft_drop = 5;
+  if (this->_internal_soft_drop() != 0) {
+    total_size += 1 + 1;
+  }
+
   return MaybeComputeUnknownFieldsSize(total_size, &_impl_._cached_size_);
 }
 
@@ -5448,6 +5472,9 @@ void DropRequest::MergeImpl(::PROTOBUF_NAMESPACE_ID::Message& to_msg, const ::PR
   if (from._internal_partial_drop() != 0) {
     _this->_internal_set_partial_drop(from._internal_partial_drop());
   }
+  if (from._internal_soft_drop() != 0) {
+    _this->_internal_set_soft_drop(from._internal_soft_drop());
+  }
   _this->_internal_metadata_.MergeFrom<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(from._internal_metadata_);
 }
 
@@ -5466,8 +5493,8 @@ void DropRequest::InternalSwap(DropRequest* other) {
   using std::swap;
   _internal_metadata_.InternalSwap(&other->_internal_metadata_);
   ::PROTOBUF_NAMESPACE_ID::internal::memswap<
-      PROTOBUF_FIELD_OFFSET(DropRequest, _impl_.partial_drop_)
-      + sizeof(DropRequest::_impl_.partial_drop_)
+      PROTOBUF_FIELD_OFFSET(DropRequest, _impl_.soft_drop_)
+      + sizeof(DropRequest::_impl_.soft_drop_)
       - PROTOBUF_FIELD_OFFSET(DropRequest, _impl_.region_id_)>(
           reinterpret_cast<char*>(&_impl_.region_id_),
           reinterpret_cast<char*>(&other->_impl_.region_id_));
diff --git a/c++/greptime/v1/region/server.pb.h b/c++/greptime/v1/region/server.pb.h
index 097c79c..f55510e 100644
--- a/c++/greptime/v1/region/server.pb.h
+++ b/c++/greptime/v1/region/server.pb.h
@@ -2869,6 +2869,7 @@ class DropRequest final :
     kFastPathFieldNumber = 2,
     kForceFieldNumber = 3,
     kPartialDropFieldNumber = 4,
+    kSoftDropFieldNumber = 5,
   };
   // uint64 region_id = 1;
   void clear_region_id();
@@ -2906,6 +2907,15 @@ class DropRequest final :
   void _internal_set_partial_drop(bool value);
   public:
 
+  // bool soft_drop = 5;
+  void clear_soft_drop();
+  bool soft_drop() const;
+  void set_soft_drop(bool value);
+  private:
+  bool _internal_soft_drop() const;
+  void _internal_set_soft_drop(bool value);
+  public:
+
   // @@protoc_insertion_point(class_scope:greptime.v1.region.DropRequest)
  private:
   class _Internal;
@@ -2918,6 +2928,7 @@ class DropRequest final :
     bool fast_path_;
     bool force_;
     bool partial_drop_;
+    bool soft_drop_;
     mutable ::PROTOBUF_NAMESPACE_ID::internal::CachedSize _cached_size_;
   };
   union { Impl_ _impl_; };
@@ -10140,6 +10151,26 @@ inline void DropRequest::set_partial_drop(bool value) {
   // @@protoc_insertion_point(field_set:greptime.v1.region.DropRequest.partial_drop)
 }
 
+// bool soft_drop = 5;
+inline void DropRequest::clear_soft_drop() {
+  _impl_.soft_drop_ = false;
+}
+inline bool DropRequest::_internal_soft_drop() const {
+  return _impl_.soft_drop_;
+}
+inline bool DropRequest::soft_drop() const {
+  // @@protoc_insertion_point(field_get:greptime.v1.region.DropRequest.soft_drop)
+  return _internal_soft_drop();
+}
+inline void DropRequest::_internal_set_soft_drop(bool value) {
+  
+  _impl_.soft_drop_ = value;
+}
+inline void DropRequest::set_soft_drop(bool value) {
+  _internal_set_soft_drop(value);
+  // @@protoc_insertion_point(field_set:greptime.v1.region.DropRequest.soft_drop)
+}
+
 // -------------------------------------------------------------------
 
 // -------------------------------------------------------------------
diff --git a/go/greptime/v1/region/server.pb.go b/go/greptime/v1/region/server.pb.go
index 00fbebb..bd47b58 100644
--- a/go/greptime/v1/region/server.pb.go
+++ b/go/greptime/v1/region/server.pb.go
@@ -991,6 +991,9 @@ type DropRequest struct {
 	// If true, indicates that only a portion of the region is being dropped, and files may still be referenced by other regions.
 	// This is used to prevent deletion of files that are still in use by other regions.
 	PartialDrop bool `protobuf:"varint,4,opt,name=partial_drop,json=partialDrop,proto3" json:"partial_drop,omitempty"`
+	// If true, the region will be marked as dropped but not actually deleted.
+	// This allows for a soft delete, where the region can be recovered if needed.
+	SoftDrop bool `protobuf:"varint,5,opt,name=soft_drop,json=softDrop,proto3" json:"soft_drop,omitempty"`
 }
 
 func (x *DropRequest) Reset() {
@@ -1053,6 +1056,13 @@ func (x *DropRequest) GetPartialDrop() bool {
 	return false
 }
 
+func (x *DropRequest) GetSoftDrop() bool {
+	if x != nil {
+		return x.SoftDrop
+	}
+	return false
+}
+
 type OpenRequest struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -2821,7 +2831,7 @@ var file_greptime_v1_region_server_proto_rawDesc = []byte{
 	0x75, 0x65, 0x73, 0x74, 0x73, 0x18, 0x01, 0x20, 0x03, 0x28, 0x0b, 0x32, 0x1f, 0x2e, 0x67, 0x72,
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@@ -2829,222 +2839,224 @@ var file_greptime_v1_region_server_proto_rawDesc = []byte{
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+	0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
diff --git a/java/src/main/java/io/greptime/v1/region/Server.java b/java/src/main/java/io/greptime/v1/region/Server.java
index 53df1c7..aa88a16 100644
--- a/java/src/main/java/io/greptime/v1/region/Server.java
+++ b/java/src/main/java/io/greptime/v1/region/Server.java
@@ -15319,6 +15319,17 @@ java.lang.String defaultValue);
      * @return The partialDrop.
      */
     boolean getPartialDrop();
+
+    /**
+     * <pre>
+     * If true, the region will be marked as dropped but not actually deleted.
+     * This allows for a soft delete, where the region can be recovered if needed.
+     * </pre>
+     *
+     * <code>bool soft_drop = 5;</code>
+     * @return The softDrop.
+     */
+    boolean getSoftDrop();
   }
   /**
    * Protobuf type {@code greptime.v1.region.DropRequest}
@@ -15385,6 +15396,11 @@ java.lang.String defaultValue);
               partialDrop_ = input.readBool();
               break;
             }
+            case 40: {
+
+              softDrop_ = input.readBool();
+              break;
+            }
             default: {
               if (!parseUnknownField(
                   input, unknownFields, extensionRegistry, tag)) {
@@ -15478,6 +15494,22 @@ java.lang.String defaultValue);
       return partialDrop_;
     }
 
+    public static final int SOFT_DROP_FIELD_NUMBER = 5;
+    private boolean softDrop_;
+    /**
+     * <pre>
+     * If true, the region will be marked as dropped but not actually deleted.
+     * This allows for a soft delete, where the region can be recovered if needed.
+     * </pre>
+     *
+     * <code>bool soft_drop = 5;</code>
+     * @return The softDrop.
+     */
+    @java.lang.Override
+    public boolean getSoftDrop() {
+      return softDrop_;
+    }
+
     private byte memoizedIsInitialized = -1;
     @java.lang.Override
     public final boolean isInitialized() {
@@ -15504,6 +15536,9 @@ java.lang.String defaultValue);
       if (partialDrop_ != false) {
         output.writeBool(4, partialDrop_);
       }
+      if (softDrop_ != false) {
+        output.writeBool(5, softDrop_);
+      }
       unknownFields.writeTo(output);
     }
 
@@ -15529,6 +15564,10 @@ java.lang.String defaultValue);
         size += com.google.protobuf.CodedOutputStream
           .computeBoolSize(4, partialDrop_);
       }
+      if (softDrop_ != false) {
+        size += com.google.protobuf.CodedOutputStream
+          .computeBoolSize(5, softDrop_);
+      }
       size += unknownFields.getSerializedSize();
       memoizedSize = size;
       return size;
@@ -15552,6 +15591,8 @@ java.lang.String defaultValue);
           != other.getForce()) return false;
       if (getPartialDrop()
           != other.getPartialDrop()) return false;
+      if (getSoftDrop()
+          != other.getSoftDrop()) return false;
       if (!unknownFields.equals(other.unknownFields)) return false;
       return true;
     }
@@ -15575,6 +15616,9 @@ java.lang.String defaultValue);
       hash = (37 * hash) + PARTIAL_DROP_FIELD_NUMBER;
       hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(
           getPartialDrop());
+      hash = (37 * hash) + SOFT_DROP_FIELD_NUMBER;
+      hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(
+          getSoftDrop());
       hash = (29 * hash) + unknownFields.hashCode();
       memoizedHashCode = hash;
       return hash;
@@ -15716,6 +15760,8 @@ java.lang.String defaultValue);
 
         partialDrop_ = false;
 
+        softDrop_ = false;
+
         return this;
       }
 
@@ -15746,6 +15792,7 @@ java.lang.String defaultValue);
         result.fastPath_ = fastPath_;
         result.force_ = force_;
         result.partialDrop_ = partialDrop_;
+        result.softDrop_ = softDrop_;
         onBuilt();
         return result;
       }
@@ -15806,6 +15853,9 @@ java.lang.String defaultValue);
         if (other.getPartialDrop() != false) {
           setPartialDrop(other.getPartialDrop());
         }
+        if (other.getSoftDrop() != false) {
+          setSoftDrop(other.getSoftDrop());
+        }
         this.mergeUnknownFields(other.unknownFields);
         onChanged();
         return this;
@@ -16003,6 +16053,52 @@ java.lang.String defaultValue);
         onChanged();
         return this;
       }
+
+      private boolean softDrop_ ;
+      /**
+       * <pre>
+       * If true, the region will be marked as dropped but not actually deleted.
+       * This allows for a soft delete, where the region can be recovered if needed.
+       * </pre>
+       *
+       * <code>bool soft_drop = 5;</code>
+       * @return The softDrop.
+       */
+      @java.lang.Override
+      public boolean getSoftDrop() {
+        return softDrop_;
+      }
+      /**
+       * <pre>
+       * If true, the region will be marked as dropped but not actually deleted.
+       * This allows for a soft delete, where the region can be recovered if needed.
+       * </pre>
+       *
+       * <code>bool soft_drop = 5;</code>
+       * @param value The softDrop to set.
+       * @return This builder for chaining.
+       */
+      public Builder setSoftDrop(boolean value) {
+        
+        softDrop_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <pre>
+       * If true, the region will be marked as dropped but not actually deleted.
+       * This allows for a soft delete, where the region can be recovered if needed.
+       * </pre>
+       *
+       * <code>bool soft_drop = 5;</code>
+       * @return This builder for chaining.
+       */
+      public Builder clearSoftDrop() {
+        
+        softDrop_ = false;
+        onChanged();
+        return this;
+      }
       @java.lang.Override
       public final Builder setUnknownFields(
           final com.google.protobuf.UnknownFieldSet unknownFields) {
@@ -36554,78 +36650,79 @@ java.lang.String defaultValue);
       "n\030\007 \001(\0132\033.greptime.v1.meta.Partition\032.\n\014" +
       "OptionsEntry\022\013\n\003key\030\001 \001(\t\022\r\n\005value\030\002 \001(\t" +
       ":\0028\001\"A\n\014DropRequests\0221\n\010requests\030\001 \003(\0132\037" +
-      ".greptime.v1.region.DropRequest\"X\n\013DropR" +
+      ".greptime.v1.region.DropRequest\"k\n\013DropR" +
       "equest\022\021\n\tregion_id\030\001 \001(\004\022\021\n\tfast_path\030\002" +
       " \001(\010\022\r\n\005force\030\003 \001(\010\022\024\n\014partial_drop\030\004 \001(" +
-      "\010\"\255\001\n\013OpenRequest\022\021\n\tregion_id\030\001 \001(\004\022\016\n\006" +
-      "engine\030\002 \001(\t\022\014\n\004path\030\003 \001(\t\022=\n\007options\030\004 " +
-      "\003(\0132,.greptime.v1.region.OpenRequest.Opt" +
-      "ionsEntry\032.\n\014OptionsEntry\022\013\n\003key\030\001 \001(\t\022\r" +
-      "\n\005value\030\002 \001(\t:\0028\001\"!\n\014CloseRequest\022\021\n\treg" +
-      "ion_id\030\001 \001(\004\"C\n\rAlterRequests\0222\n\010request" +
-      "s\030\001 \003(\0132 .greptime.v1.region.AlterReques" +
-      "t\"\311\005\n\014AlterRequest\022\021\n\tregion_id\030\001 \001(\004\0225\n" +
-      "\013add_columns\030\002 \001(\0132\036.greptime.v1.region." +
-      "AddColumnsH\000\0227\n\014drop_columns\030\003 \001(\0132\037.gre" +
-      "ptime.v1.region.DropColumnsH\000\022=\n\023modify_" +
-      "column_types\030\005 \001(\0132\036.greptime.v1.ModifyC" +
-      "olumnTypesH\000\0229\n\021set_table_options\030\006 \001(\0132" +
-      "\034.greptime.v1.SetTableOptionsH\000\022=\n\023unset" +
-      "_table_options\030\t \001(\0132\036.greptime.v1.Unset" +
-      "TableOptionsH\000\022*\n\tset_index\030\n \001(\0132\025.grep" +
-      "time.v1.SetIndexH\000\022.\n\013unset_index\030\013 \001(\0132" +
-      "\027.greptime.v1.UnsetIndexH\000\0222\n\rdrop_defau" +
-      "lts\030\014 \001(\0132\031.greptime.v1.DropDefaultsH\000\022." +
-      "\n\013set_indexes\030\r \001(\0132\027.greptime.v1.SetInd" +
-      "exesH\000\0222\n\runset_indexes\030\016 \001(\0132\031.greptime" +
-      ".v1.UnsetIndexesH\000\0220\n\014set_defaults\030\017 \001(\013" +
-      "2\030.greptime.v1.SetDefaultsH\000\0227\n\014sync_col" +
-      "umns\030\020 \001(\0132\037.greptime.v1.region.SyncColu" +
-      "mnsH\000\022\026\n\016schema_version\030\004 \001(\004B\006\n\004kind\"G\n" +
-      "\013SyncColumns\0228\n\013column_defs\030\001 \003(\0132#.grep" +
-      "time.v1.region.RegionColumnDef\"@\n\nAddCol" +
-      "umns\0222\n\013add_columns\030\001 \003(\0132\035.greptime.v1." +
-      "region.AddColumn\"C\n\013DropColumns\0224\n\014drop_" +
-      "columns\030\001 \003(\0132\036.greptime.v1.region.DropC" +
-      "olumn\"v\n\tAddColumn\0227\n\ncolumn_def\030\001 \001(\0132#" +
-      ".greptime.v1.region.RegionColumnDef\0220\n\010l" +
-      "ocation\030\003 \001(\0132\036.greptime.v1.AddColumnLoc" +
-      "ation\"\032\n\nDropColumn\022\014\n\004name\030\001 \001(\t\"!\n\014Flu" +
-      "shRequest\022\021\n\tregion_id\030\001 \001(\004\"\t\n\007Regular\"" +
-      "&\n\014StrictWindow\022\026\n\016window_seconds\030\001 \001(\003\"" +
-      "\256\001\n\016CompactRequest\022\021\n\tregion_id\030\001 \001(\004\022.\n" +
-      "\007regular\030\002 \001(\0132\033.greptime.v1.region.Regu" +
-      "larH\000\0229\n\rstrict_window\030\003 \001(\0132 .greptime." +
-      "v1.region.StrictWindowH\000\022\023\n\013parallelism\030" +
-      "\004 \001(\rB\t\n\007options\"\204\001\n\017TruncateRequest\022\021\n\t" +
-      "region_id\030\001 \001(\004\022&\n\003all\030\002 \001(\0132\027.greptime." +
-      "v1.region.AllH\000\022.\n\013time_ranges\030\003 \001(\0132\027.g" +
-      "reptime.v1.TimeRangesH\000B\006\n\004kind\"\005\n\003All\"P" +
-      "\n\017RegionColumnDef\022*\n\ncolumn_def\030\001 \001(\0132\026." +
-      "greptime.v1.ColumnDef\022\021\n\tcolumn_id\030\002 \001(\r" +
-      "\"\235\001\n\021BulkInsertRequest\022\021\n\tregion_id\030\001 \001(" +
-      "\004\022*\n\tarrow_ipc\030\002 \001(\0132\025.greptime.v1.Arrow" +
-      "IpcH\000\022A\n\026partition_expr_version\030\003 \001(\0132!." +
-      "greptime.v1.PartitionExprVersionB\006\n\004body" +
-      "\"1\n\020MitoManifestInfo\022\035\n\025data_manifest_ve" +
-      "rsion\030\001 \001(\004\"V\n\022MetricManifestInfo\022\035\n\025dat" +
-      "a_manifest_version\030\001 \001(\004\022!\n\031metadata_man" +
-      "ifest_version\030\002 \001(\004\"\275\001\n\013SyncRequest\022\021\n\tr" +
-      "egion_id\030\001 \001(\004\022B\n\022mito_manifest_info\030\002 \001" +
-      "(\0132$.greptime.v1.region.MitoManifestInfo" +
-      "H\000\022F\n\024metric_manifest_info\030\003 \001(\0132&.grept" +
-      "ime.v1.region.MetricManifestInfoH\000B\017\n\rma" +
-      "nifest_info\")\n\023ListMetadataRequest\022\022\n\nre" +
-      "gion_ids\030\001 \003(\004\"&\n\021BuildIndexRequest\022\021\n\tr" +
-      "egion_id\030\001 \001(\004\"\031\n\tFileMetas\022\014\n\004data\030\001 \001(" +
-      "\014\"z\n\033ApplyStagingManifestRequest\022\021\n\tregi" +
-      "on_id\030\001 \001(\004\022\026\n\016partition_expr\030\002 \001(\t\022\031\n\021c" +
-      "entral_region_id\030\003 \001(\004\022\025\n\rmanifest_path\030" +
-      "\004 \001(\t2Y\n\006Region\022O\n\006Handle\022!.greptime.v1." +
-      "region.RegionRequest\032\".greptime.v1.regio" +
-      "n.RegionResponseB]\n\025io.greptime.v1.regio" +
-      "nB\006ServerZ<github.com/GreptimeTeam/grept" +
-      "ime-proto/go/greptime/v1/regionb\006proto3"
+      "\010\022\021\n\tsoft_drop\030\005 \001(\010\"\255\001\n\013OpenRequest\022\021\n\t" +
+      "region_id\030\001 \001(\004\022\016\n\006engine\030\002 \001(\t\022\014\n\004path\030" +
+      "\003 \001(\t\022=\n\007options\030\004 \003(\0132,.greptime.v1.reg" +
+      "ion.OpenRequest.OptionsEntry\032.\n\014OptionsE" +
+      "ntry\022\013\n\003key\030\001 \001(\t\022\r\n\005value\030\002 \001(\t:\0028\001\"!\n\014" +
+      "CloseRequest\022\021\n\tregion_id\030\001 \001(\004\"C\n\rAlter" +
+      "Requests\0222\n\010requests\030\001 \003(\0132 .greptime.v1" +
+      ".region.AlterRequest\"\311\005\n\014AlterRequest\022\021\n" +
+      "\tregion_id\030\001 \001(\004\0225\n\013add_columns\030\002 \001(\0132\036." +
+      "greptime.v1.region.AddColumnsH\000\0227\n\014drop_" +
+      "columns\030\003 \001(\0132\037.greptime.v1.region.DropC" +
+      "olumnsH\000\022=\n\023modify_column_types\030\005 \001(\0132\036." +
+      "greptime.v1.ModifyColumnTypesH\000\0229\n\021set_t" +
+      "able_options\030\006 \001(\0132\034.greptime.v1.SetTabl" +
+      "eOptionsH\000\022=\n\023unset_table_options\030\t \001(\0132" +
+      "\036.greptime.v1.UnsetTableOptionsH\000\022*\n\tset" +
+      "_index\030\n \001(\0132\025.greptime.v1.SetIndexH\000\022.\n" +
+      "\013unset_index\030\013 \001(\0132\027.greptime.v1.UnsetIn" +
+      "dexH\000\0222\n\rdrop_defaults\030\014 \001(\0132\031.greptime." +
+      "v1.DropDefaultsH\000\022.\n\013set_indexes\030\r \001(\0132\027" +
+      ".greptime.v1.SetIndexesH\000\0222\n\runset_index" +
+      "es\030\016 \001(\0132\031.greptime.v1.UnsetIndexesH\000\0220\n" +
+      "\014set_defaults\030\017 \001(\0132\030.greptime.v1.SetDef" +
+      "aultsH\000\0227\n\014sync_columns\030\020 \001(\0132\037.greptime" +
+      ".v1.region.SyncColumnsH\000\022\026\n\016schema_versi" +
+      "on\030\004 \001(\004B\006\n\004kind\"G\n\013SyncColumns\0228\n\013colum" +
+      "n_defs\030\001 \003(\0132#.greptime.v1.region.Region" +
+      "ColumnDef\"@\n\nAddColumns\0222\n\013add_columns\030\001" +
+      " \003(\0132\035.greptime.v1.region.AddColumn\"C\n\013D" +
+      "ropColumns\0224\n\014drop_columns\030\001 \003(\0132\036.grept" +
+      "ime.v1.region.DropColumn\"v\n\tAddColumn\0227\n" +
+      "\ncolumn_def\030\001 \001(\0132#.greptime.v1.region.R" +
+      "egionColumnDef\0220\n\010location\030\003 \001(\0132\036.grept" +
+      "ime.v1.AddColumnLocation\"\032\n\nDropColumn\022\014" +
+      "\n\004name\030\001 \001(\t\"!\n\014FlushRequest\022\021\n\tregion_i" +
+      "d\030\001 \001(\004\"\t\n\007Regular\"&\n\014StrictWindow\022\026\n\016wi" +
+      "ndow_seconds\030\001 \001(\003\"\256\001\n\016CompactRequest\022\021\n" +
+      "\tregion_id\030\001 \001(\004\022.\n\007regular\030\002 \001(\0132\033.grep" +
+      "time.v1.region.RegularH\000\0229\n\rstrict_windo" +
+      "w\030\003 \001(\0132 .greptime.v1.region.StrictWindo" +
+      "wH\000\022\023\n\013parallelism\030\004 \001(\rB\t\n\007options\"\204\001\n\017" +
+      "TruncateRequest\022\021\n\tregion_id\030\001 \001(\004\022&\n\003al" +
+      "l\030\002 \001(\0132\027.greptime.v1.region.AllH\000\022.\n\013ti" +
+      "me_ranges\030\003 \001(\0132\027.greptime.v1.TimeRanges" +
+      "H\000B\006\n\004kind\"\005\n\003All\"P\n\017RegionColumnDef\022*\n\n" +
+      "column_def\030\001 \001(\0132\026.greptime.v1.ColumnDef" +
+      "\022\021\n\tcolumn_id\030\002 \001(\r\"\235\001\n\021BulkInsertReques" +
+      "t\022\021\n\tregion_id\030\001 \001(\004\022*\n\tarrow_ipc\030\002 \001(\0132" +
+      "\025.greptime.v1.ArrowIpcH\000\022A\n\026partition_ex" +
+      "pr_version\030\003 \001(\0132!.greptime.v1.Partition" +
+      "ExprVersionB\006\n\004body\"1\n\020MitoManifestInfo\022" +
+      "\035\n\025data_manifest_version\030\001 \001(\004\"V\n\022Metric" +
+      "ManifestInfo\022\035\n\025data_manifest_version\030\001 " +
+      "\001(\004\022!\n\031metadata_manifest_version\030\002 \001(\004\"\275" +
+      "\001\n\013SyncRequest\022\021\n\tregion_id\030\001 \001(\004\022B\n\022mit" +
+      "o_manifest_info\030\002 \001(\0132$.greptime.v1.regi" +
+      "on.MitoManifestInfoH\000\022F\n\024metric_manifest" +
+      "_info\030\003 \001(\0132&.greptime.v1.region.MetricM" +
+      "anifestInfoH\000B\017\n\rmanifest_info\")\n\023ListMe" +
+      "tadataRequest\022\022\n\nregion_ids\030\001 \003(\004\"&\n\021Bui" +
+      "ldIndexRequest\022\021\n\tregion_id\030\001 \001(\004\"\031\n\tFil" +
+      "eMetas\022\014\n\004data\030\001 \001(\014\"z\n\033ApplyStagingMani" +
+      "festRequest\022\021\n\tregion_id\030\001 \001(\004\022\026\n\016partit" +
+      "ion_expr\030\002 \001(\t\022\031\n\021central_region_id\030\003 \001(" +
+      "\004\022\025\n\rmanifest_path\030\004 \001(\t2Y\n\006Region\022O\n\006Ha" +
+      "ndle\022!.greptime.v1.region.RegionRequest\032" +
+      "\".greptime.v1.region.RegionResponseB]\n\025i" +
+      "o.greptime.v1.regionB\006ServerZ<github.com" +
+      "/GreptimeTeam/greptime-proto/go/greptime" +
+      "/v1/regionb\006proto3"
     };
     descriptor = com.google.protobuf.Descriptors.FileDescriptor
       .internalBuildGeneratedFileFrom(descriptorData,
@@ -36724,7 +36821,7 @@ java.lang.String defaultValue);
     internal_static_greptime_v1_region_DropRequest_fieldAccessorTable = new
       com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
         internal_static_greptime_v1_region_DropRequest_descriptor,
-        new java.lang.String[] { "RegionId", "FastPath", "Force", "PartialDrop", });
+        new java.lang.String[] { "RegionId", "FastPath", "Force", "PartialDrop", "SoftDrop", });
     internal_static_greptime_v1_region_OpenRequest_descriptor =
       getDescriptor().getMessageTypes().get(12);
     internal_static_greptime_v1_region_OpenRequest_fieldAccessorTable = new
diff --git a/proto/greptime/v1/region/server.proto b/proto/greptime/v1/region/server.proto
index 84e22fe..6561dfc 100644
--- a/proto/greptime/v1/region/server.proto
+++ b/proto/greptime/v1/region/server.proto
@@ -141,6 +141,9 @@ message DropRequest {
   // If true, indicates that only a portion of the region is being dropped, and files may still be referenced by other regions.
   // This is used to prevent deletion of files that are still in use by other regions.
   bool partial_drop = 4;
+  // If true, the region will be marked as dropped but not actually deleted.
+  // This allows for a soft delete, where the region can be recovered if needed.
+  bool soft_drop = 5;
 }
 
 message OpenRequest {
diff --git a/src/generated/greptime.v1.region.rs b/src/generated/greptime.v1.region.rs
index e51e6bd..d8e8993 100644
--- a/src/generated/greptime.v1.region.rs
+++ b/src/generated/greptime.v1.region.rs
@@ -196,6 +196,10 @@ pub struct DropRequest {
     /// This is used to prevent deletion of files that are still in use by other regions.
     #[prost(bool, tag = "4")]
     pub partial_drop: bool,
+    /// If true, the region will be marked as dropped but not actually deleted.
+    /// This allows for a soft delete, where the region can be recovered if needed.
+    #[prost(bool, tag = "5")]
+    pub soft_drop: bool,
 }
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct OpenRequest {
diff --git a/src/generated/greptime_grpc_desc.bin b/src/generated/greptime_grpc_desc.bin
index 9a046eb..2ef112e 100644
Binary files a/src/generated/greptime_grpc_desc.bin and b/src/generated/greptime_grpc_desc.bin differ