diff --git a/internal/core/src/pb/common.pb.cc b/internal/core/src/pb/common.pb.cc
index d3c05430ffbc98b7d7f89aa6a35e4d2862e5ea76..76a4257b11385e58685f89d8dcfd433dbf143cf5 100644
--- a/internal/core/src/pb/common.pb.cc
+++ b/internal/core/src/pb/common.pb.cc
@@ -326,7 +326,7 @@ const char descriptor_table_protodef_common_2eproto[] PROTOBUF_SECTION_VARIABLE(
   "eader\022*\n\004base\030\001 \001(\0132\034.milvus.proto.commo"
   "n.MsgBase\"M\n\014DMLMsgHeader\022*\n\004base\030\001 \001(\0132"
   "\034.milvus.proto.common.MsgBase\022\021\n\tshardNa"
-  "me\030\002 \001(\t*\222\006\n\tErrorCode\022\013\n\007Success\020\000\022\023\n\017U"
+  "me\030\002 \001(\t*\252\006\n\tErrorCode\022\013\n\007Success\020\000\022\023\n\017U"
   "nexpectedError\020\001\022\021\n\rConnectFailed\020\002\022\024\n\020P"
   "ermissionDenied\020\003\022\027\n\023CollectionNotExists"
   "\020\004\022\023\n\017IllegalArgument\020\005\022\024\n\020IllegalDimens"
@@ -345,61 +345,61 @@ const char descriptor_table_protodef_common_2eproto[] PROTOBUF_SECTION_VARIABLE(
   "ilure\020\035\022\033\n\027UpdateCredentialFailure\020\036\022\033\n\027"
   "DeleteCredentialFailure\020\037\022\030\n\024GetCredenti"
   "alFailure\020 \022\030\n\024ListCredUsersFailure\020!\022\022\n"
-  "\016NotShardLeader\020\"\022\022\n\rDDRequestRace\020\350\007*X\n"
-  "\nIndexState\022\022\n\016IndexStateNone\020\000\022\014\n\010Uniss"
-  "ued\020\001\022\016\n\nInProgress\020\002\022\014\n\010Finished\020\003\022\n\n\006F"
-  "ailed\020\004*\202\001\n\014SegmentState\022\024\n\020SegmentState"
-  "None\020\000\022\014\n\010NotExist\020\001\022\013\n\007Growing\020\002\022\n\n\006Sea"
-  "led\020\003\022\013\n\007Flushed\020\004\022\014\n\010Flushing\020\005\022\013\n\007Drop"
-  "ped\020\006\022\r\n\tImporting\020\007*>\n\017PlaceholderType\022"
-  "\010\n\004None\020\000\022\020\n\014BinaryVector\020d\022\017\n\013FloatVect"
-  "or\020e*\362\n\n\007MsgType\022\r\n\tUndefined\020\000\022\024\n\020Creat"
-  "eCollection\020d\022\022\n\016DropCollection\020e\022\021\n\rHas"
-  "Collection\020f\022\026\n\022DescribeCollection\020g\022\023\n\017"
-  "ShowCollections\020h\022\024\n\020GetSystemConfigs\020i\022"
-  "\022\n\016LoadCollection\020j\022\025\n\021ReleaseCollection"
-  "\020k\022\017\n\013CreateAlias\020l\022\r\n\tDropAlias\020m\022\016\n\nAl"
-  "terAlias\020n\022\024\n\017CreatePartition\020\310\001\022\022\n\rDrop"
-  "Partition\020\311\001\022\021\n\014HasPartition\020\312\001\022\026\n\021Descr"
-  "ibePartition\020\313\001\022\023\n\016ShowPartitions\020\314\001\022\023\n\016"
-  "LoadPartitions\020\315\001\022\026\n\021ReleasePartitions\020\316"
-  "\001\022\021\n\014ShowSegments\020\372\001\022\024\n\017DescribeSegment\020"
-  "\373\001\022\021\n\014LoadSegments\020\374\001\022\024\n\017ReleaseSegments"
-  "\020\375\001\022\024\n\017HandoffSegments\020\376\001\022\030\n\023LoadBalance"
-  "Segments\020\377\001\022\025\n\020DescribeSegments\020\200\002\022\020\n\013Cr"
-  "eateIndex\020\254\002\022\022\n\rDescribeIndex\020\255\002\022\016\n\tDrop"
-  "Index\020\256\002\022\013\n\006Insert\020\220\003\022\013\n\006Delete\020\221\003\022\n\n\005Fl"
-  "ush\020\222\003\022\027\n\022ResendSegmentStats\020\223\003\022\013\n\006Searc"
-  "h\020\364\003\022\021\n\014SearchResult\020\365\003\022\022\n\rGetIndexState"
-  "\020\366\003\022\032\n\025GetIndexBuildProgress\020\367\003\022\034\n\027GetCo"
-  "llectionStatistics\020\370\003\022\033\n\026GetPartitionSta"
-  "tistics\020\371\003\022\r\n\010Retrieve\020\372\003\022\023\n\016RetrieveRes"
-  "ult\020\373\003\022\024\n\017WatchDmChannels\020\374\003\022\025\n\020RemoveDm"
-  "Channels\020\375\003\022\027\n\022WatchQueryChannels\020\376\003\022\030\n\023"
-  "RemoveQueryChannels\020\377\003\022\035\n\030SealedSegments"
-  "ChangeInfo\020\200\004\022\027\n\022WatchDeltaChannels\020\201\004\022\024"
-  "\n\017GetShardLeaders\020\202\004\022\020\n\013GetReplicas\020\203\004\022\020"
-  "\n\013SegmentInfo\020\330\004\022\017\n\nSystemInfo\020\331\004\022\024\n\017Get"
-  "RecoveryInfo\020\332\004\022\024\n\017GetSegmentState\020\333\004\022\r\n"
-  "\010TimeTick\020\260\t\022\023\n\016QueryNodeStats\020\261\t\022\016\n\tLoa"
-  "dIndex\020\262\t\022\016\n\tRequestID\020\263\t\022\017\n\nRequestTSO\020"
-  "\264\t\022\024\n\017AllocateSegment\020\265\t\022\026\n\021SegmentStati"
-  "stics\020\266\t\022\025\n\020SegmentFlushDone\020\267\t\022\017\n\nDataN"
-  "odeTt\020\270\t\022\025\n\020CreateCredential\020\334\013\022\022\n\rGetCr"
-  "edential\020\335\013\022\025\n\020DeleteCredential\020\336\013\022\025\n\020Up"
-  "dateCredential\020\337\013\022\026\n\021ListCredUsernames\020\340"
-  "\013*\"\n\007DslType\022\007\n\003Dsl\020\000\022\016\n\nBoolExprV1\020\001*B\n"
-  "\017CompactionState\022\021\n\rUndefiedState\020\000\022\r\n\tE"
-  "xecuting\020\001\022\r\n\tCompleted\020\002*X\n\020Consistency"
-  "Level\022\n\n\006Strong\020\000\022\013\n\007Session\020\001\022\013\n\007Bounde"
-  "d\020\002\022\016\n\nEventually\020\003\022\016\n\nCustomized\020\004*\227\001\n\013"
-  "ImportState\022\021\n\rImportPending\020\000\022\020\n\014Import"
-  "Failed\020\001\022\021\n\rImportStarted\020\002\022\024\n\020ImportDow"
-  "nloaded\020\003\022\020\n\014ImportParsed\020\004\022\023\n\017ImportPer"
-  "sisted\020\005\022\023\n\017ImportCompleted\020\006BW\n\016io.milv"
-  "us.grpcB\013CommonProtoP\001Z3github.com/milvu"
-  "s-io/milvus/internal/proto/commonpb\240\001\001b\006"
-  "proto3"
+  "\016NotShardLeader\020\"\022\026\n\022NoReplicaAvailable\020"
+  "#\022\022\n\rDDRequestRace\020\350\007*X\n\nIndexState\022\022\n\016I"
+  "ndexStateNone\020\000\022\014\n\010Unissued\020\001\022\016\n\nInProgr"
+  "ess\020\002\022\014\n\010Finished\020\003\022\n\n\006Failed\020\004*\202\001\n\014Segm"
+  "entState\022\024\n\020SegmentStateNone\020\000\022\014\n\010NotExi"
+  "st\020\001\022\013\n\007Growing\020\002\022\n\n\006Sealed\020\003\022\013\n\007Flushed"
+  "\020\004\022\014\n\010Flushing\020\005\022\013\n\007Dropped\020\006\022\r\n\tImporti"
+  "ng\020\007*>\n\017PlaceholderType\022\010\n\004None\020\000\022\020\n\014Bin"
+  "aryVector\020d\022\017\n\013FloatVector\020e*\362\n\n\007MsgType"
+  "\022\r\n\tUndefined\020\000\022\024\n\020CreateCollection\020d\022\022\n"
+  "\016DropCollection\020e\022\021\n\rHasCollection\020f\022\026\n\022"
+  "DescribeCollection\020g\022\023\n\017ShowCollections\020"
+  "h\022\024\n\020GetSystemConfigs\020i\022\022\n\016LoadCollectio"
+  "n\020j\022\025\n\021ReleaseCollection\020k\022\017\n\013CreateAlia"
+  "s\020l\022\r\n\tDropAlias\020m\022\016\n\nAlterAlias\020n\022\024\n\017Cr"
+  "eatePartition\020\310\001\022\022\n\rDropPartition\020\311\001\022\021\n\014"
+  "HasPartition\020\312\001\022\026\n\021DescribePartition\020\313\001\022"
+  "\023\n\016ShowPartitions\020\314\001\022\023\n\016LoadPartitions\020\315"
+  "\001\022\026\n\021ReleasePartitions\020\316\001\022\021\n\014ShowSegment"
+  "s\020\372\001\022\024\n\017DescribeSegment\020\373\001\022\021\n\014LoadSegmen"
+  "ts\020\374\001\022\024\n\017ReleaseSegments\020\375\001\022\024\n\017HandoffSe"
+  "gments\020\376\001\022\030\n\023LoadBalanceSegments\020\377\001\022\025\n\020D"
+  "escribeSegments\020\200\002\022\020\n\013CreateIndex\020\254\002\022\022\n\r"
+  "DescribeIndex\020\255\002\022\016\n\tDropIndex\020\256\002\022\013\n\006Inse"
+  "rt\020\220\003\022\013\n\006Delete\020\221\003\022\n\n\005Flush\020\222\003\022\027\n\022Resend"
+  "SegmentStats\020\223\003\022\013\n\006Search\020\364\003\022\021\n\014SearchRe"
+  "sult\020\365\003\022\022\n\rGetIndexState\020\366\003\022\032\n\025GetIndexB"
+  "uildProgress\020\367\003\022\034\n\027GetCollectionStatisti"
+  "cs\020\370\003\022\033\n\026GetPartitionStatistics\020\371\003\022\r\n\010Re"
+  "trieve\020\372\003\022\023\n\016RetrieveResult\020\373\003\022\024\n\017WatchD"
+  "mChannels\020\374\003\022\025\n\020RemoveDmChannels\020\375\003\022\027\n\022W"
+  "atchQueryChannels\020\376\003\022\030\n\023RemoveQueryChann"
+  "els\020\377\003\022\035\n\030SealedSegmentsChangeInfo\020\200\004\022\027\n"
+  "\022WatchDeltaChannels\020\201\004\022\024\n\017GetShardLeader"
+  "s\020\202\004\022\020\n\013GetReplicas\020\203\004\022\020\n\013SegmentInfo\020\330\004"
+  "\022\017\n\nSystemInfo\020\331\004\022\024\n\017GetRecoveryInfo\020\332\004\022"
+  "\024\n\017GetSegmentState\020\333\004\022\r\n\010TimeTick\020\260\t\022\023\n\016"
+  "QueryNodeStats\020\261\t\022\016\n\tLoadIndex\020\262\t\022\016\n\tReq"
+  "uestID\020\263\t\022\017\n\nRequestTSO\020\264\t\022\024\n\017AllocateSe"
+  "gment\020\265\t\022\026\n\021SegmentStatistics\020\266\t\022\025\n\020Segm"
+  "entFlushDone\020\267\t\022\017\n\nDataNodeTt\020\270\t\022\025\n\020Crea"
+  "teCredential\020\334\013\022\022\n\rGetCredential\020\335\013\022\025\n\020D"
+  "eleteCredential\020\336\013\022\025\n\020UpdateCredential\020\337"
+  "\013\022\026\n\021ListCredUsernames\020\340\013*\"\n\007DslType\022\007\n\003"
+  "Dsl\020\000\022\016\n\nBoolExprV1\020\001*B\n\017CompactionState"
+  "\022\021\n\rUndefiedState\020\000\022\r\n\tExecuting\020\001\022\r\n\tCo"
+  "mpleted\020\002*X\n\020ConsistencyLevel\022\n\n\006Strong\020"
+  "\000\022\013\n\007Session\020\001\022\013\n\007Bounded\020\002\022\016\n\nEventuall"
+  "y\020\003\022\016\n\nCustomized\020\004*\227\001\n\013ImportState\022\021\n\rI"
+  "mportPending\020\000\022\020\n\014ImportFailed\020\001\022\021\n\rImpo"
+  "rtStarted\020\002\022\024\n\020ImportDownloaded\020\003\022\020\n\014Imp"
+  "ortParsed\020\004\022\023\n\017ImportPersisted\020\005\022\023\n\017Impo"
+  "rtCompleted\020\006BW\n\016io.milvus.grpcB\013CommonP"
+  "rotoP\001Z3github.com/milvus-io/milvus/inte"
+  "rnal/proto/commonpb\240\001\001b\006proto3"
   ;
 static const ::PROTOBUF_NAMESPACE_ID::internal::DescriptorTable*const descriptor_table_common_2eproto_deps[1] = {
 };
@@ -418,7 +418,7 @@ static ::PROTOBUF_NAMESPACE_ID::internal::SCCInfoBase*const descriptor_table_com
 static ::PROTOBUF_NAMESPACE_ID::internal::once_flag descriptor_table_common_2eproto_once;
 static bool descriptor_table_common_2eproto_initialized = false;
 const ::PROTOBUF_NAMESPACE_ID::internal::DescriptorTable descriptor_table_common_2eproto = {
-  &descriptor_table_common_2eproto_initialized, descriptor_table_protodef_common_2eproto, "common.proto", 3606,
+  &descriptor_table_common_2eproto_initialized, descriptor_table_protodef_common_2eproto, "common.proto", 3630,
   &descriptor_table_common_2eproto_once, descriptor_table_common_2eproto_sccs, descriptor_table_common_2eproto_deps, 10, 0,
   schemas, file_default_instances, TableStruct_common_2eproto::offsets,
   file_level_metadata_common_2eproto, 10, file_level_enum_descriptors_common_2eproto, file_level_service_descriptors_common_2eproto,
@@ -469,6 +469,7 @@ bool ErrorCode_IsValid(int value) {
     case 32:
     case 33:
     case 34:
+    case 35:
     case 1000:
       return true;
     default:
diff --git a/internal/core/src/pb/common.pb.h b/internal/core/src/pb/common.pb.h
index 43f612d3fb603f7e6ddb253665205f77a75bdf63..de1b4d36cc4e1f3c7b960b4b605feb95827b593b 100644
--- a/internal/core/src/pb/common.pb.h
+++ b/internal/core/src/pb/common.pb.h
@@ -142,6 +142,7 @@ enum ErrorCode : int {
   GetCredentialFailure = 32,
   ListCredUsersFailure = 33,
   NotShardLeader = 34,
+  NoReplicaAvailable = 35,
   DDRequestRace = 1000,
   ErrorCode_INT_MIN_SENTINEL_DO_NOT_USE_ = std::numeric_limits<::PROTOBUF_NAMESPACE_ID::int32>::min(),
   ErrorCode_INT_MAX_SENTINEL_DO_NOT_USE_ = std::numeric_limits<::PROTOBUF_NAMESPACE_ID::int32>::max()
diff --git a/internal/proto/common.proto b/internal/proto/common.proto
index 6e3ab5147d606cc1af6793f83c3dea2eb65ff0f6..d18677f57d84d765352d1b5ef3cb676c8254ecc6 100644
--- a/internal/proto/common.proto
+++ b/internal/proto/common.proto
@@ -43,6 +43,7 @@ enum ErrorCode {
     GetCredentialFailure = 32;
     ListCredUsersFailure = 33;
     NotShardLeader = 34;
+    NoReplicaAvailable = 35;
 
     // internal error code.
     DDRequestRace = 1000;
diff --git a/internal/proto/commonpb/common.pb.go b/internal/proto/commonpb/common.pb.go
index 3aafd92e8125f0452c13bd07625ead692b7e6df1..d93886128edae929b34652f669178e1b33d8a1c3 100644
--- a/internal/proto/commonpb/common.pb.go
+++ b/internal/proto/commonpb/common.pb.go
@@ -57,6 +57,7 @@ const (
 	ErrorCode_GetCredentialFailure    ErrorCode = 32
 	ErrorCode_ListCredUsersFailure    ErrorCode = 33
 	ErrorCode_NotShardLeader          ErrorCode = 34
+	ErrorCode_NoReplicaAvailable      ErrorCode = 35
 	// internal error code.
 	ErrorCode_DDRequestRace ErrorCode = 1000
 )
@@ -96,6 +97,7 @@ var ErrorCode_name = map[int32]string{
 	32:   "GetCredentialFailure",
 	33:   "ListCredUsersFailure",
 	34:   "NotShardLeader",
+	35:   "NoReplicaAvailable",
 	1000: "DDRequestRace",
 }
 
@@ -134,6 +136,7 @@ var ErrorCode_value = map[string]int32{
 	"GetCredentialFailure":    32,
 	"ListCredUsersFailure":    33,
 	"NotShardLeader":          34,
+	"NoReplicaAvailable":      35,
 	"DDRequestRace":           1000,
 }
 
@@ -1104,123 +1107,124 @@ func init() {
 func init() { proto.RegisterFile("common.proto", fileDescriptor_555bd8c177793206) }
 
 var fileDescriptor_555bd8c177793206 = []byte{
-	// 1880 bytes of a gzipped FileDescriptorProto
+	// 1895 bytes of a gzipped FileDescriptorProto
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-	0x19, 0x77, 0x4f, 0x4f, 0x6c, 0x4f, 0xcd, 0xd8, 0xae, 0x94, 0x1d, 0xc7, 0x9b, 0x64, 0x17, 0x33,
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-	0x3b, 0x19, 0x4e, 0xcb, 0xf2, 0x0f, 0x40, 0x38, 0x70, 0xe5, 0x0f, 0x00, 0xc4, 0x1b, 0xfe, 0x04,
-	0xde, 0x67, 0xde, 0x70, 0xe4, 0x8c, 0x78, 0xee, 0x13, 0x7d, 0xd5, 0x3d, 0xdd, 0xed, 0x24, 0x2b,
-	0x0e, 0x7b, 0xab, 0xef, 0xf7, 0x3d, 0xea, 0x7b, 0x57, 0x91, 0x4e, 0xa8, 0x92, 0x44, 0xc9, 0x6b,
-	0xa9, 0x56, 0x56, 0xb1, 0xd5, 0x44, 0xc4, 0xa7, 0x99, 0xc9, 0xa9, 0x6b, 0x39, 0xab, 0xfb, 0x80,
-	0xcc, 0x8f, 0x2c, 0xb7, 0x99, 0x61, 0xaf, 0x10, 0x02, 0x5a, 0x2b, 0xfd, 0x20, 0x54, 0x11, 0x6c,
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-	0x08, 0x82, 0x16, 0xcc, 0x8e, 0x6c, 0x9d, 0xcc, 0x6b, 0xe0, 0x46, 0xc9, 0x8d, 0xc6, 0xa6, 0x77,
-	0xb5, 0x15, 0x14, 0x54, 0xf7, 0x13, 0xa4, 0x73, 0x07, 0xa6, 0xf7, 0x79, 0x9c, 0xc1, 0x90, 0x0b,
-	0xcd, 0x28, 0xf1, 0x1f, 0xc2, 0xd4, 0xd9, 0x6f, 0x05, 0x78, 0x64, 0x6b, 0xe4, 0xdc, 0x29, 0xb2,
-	0x0b, 0xc5, 0x9c, 0xe8, 0xde, 0x24, 0xed, 0x3b, 0x30, 0xed, 0x73, 0xcb, 0xdf, 0x47, 0x8d, 0x91,
-	0x66, 0xc4, 0x2d, 0x77, 0x5a, 0x9d, 0xc0, 0x9d, 0xbb, 0x57, 0x48, 0x73, 0x3b, 0x56, 0xc7, 0x95,
-	0x49, 0xcf, 0x31, 0x0b, 0x93, 0xa7, 0x84, 0x0e, 0x63, 0x1e, 0xc2, 0x44, 0xc5, 0x11, 0x68, 0xe7,
-	0x12, 0xda, 0xb5, 0x7c, 0x3c, 0xb3, 0x6b, 0xf9, 0x98, 0x7d, 0x8a, 0x34, 0xed, 0x34, 0xcd, 0xbd,
-	0x59, 0xbe, 0xf1, 0x91, 0xe7, 0x66, 0xa0, 0x66, 0xe6, 0x68, 0x9a, 0x42, 0xe0, 0x34, 0x30, 0x05,
-	0xee, 0x22, 0xb3, 0xe1, 0x6f, 0xfa, 0x57, 0x3b, 0x41, 0x41, 0x75, 0x3f, 0x77, 0xe6, 0xde, 0x3d,
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-	0xfa, 0xff, 0x6e, 0x73, 0x4e, 0x07, 0x67, 0x54, 0xbb, 0x2f, 0x93, 0x85, 0x5b, 0x51, 0xa4, 0xc1,
-	0x18, 0xb6, 0x4c, 0x1a, 0x22, 0x2d, 0x82, 0x69, 0x88, 0x14, 0x73, 0x94, 0x2a, 0x6d, 0x5d, 0x2c,
-	0x7e, 0xe0, 0xce, 0xdd, 0x27, 0x1e, 0x59, 0x38, 0x30, 0xe3, 0x6d, 0x6e, 0x80, 0x7d, 0x92, 0x2c,
-	0x26, 0x66, 0xfc, 0xc0, 0xc5, 0x9b, 0x57, 0xfc, 0xca, 0x73, 0x3d, 0x38, 0x30, 0x63, 0x17, 0xe7,
-	0x42, 0x92, 0x1f, 0x30, 0xc1, 0x89, 0x19, 0x0f, 0xfa, 0x85, 0xe5, 0x9c, 0x60, 0x57, 0x48, 0xcb,
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+	0x40, 0xbb, 0xed, 0x33, 0x61, 0x9d, 0xa5, 0x0d, 0x34, 0xdb, 0x97, 0x12, 0x46, 0x5c, 0x6e, 0x9a,
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+	0xf4, 0xe3, 0x01, 0x84, 0xda, 0x44, 0xb4, 0x55, 0x71, 0xe1, 0x01, 0x84, 0x4e, 0x9b, 0x7e, 0x8f,
+	0xb6, 0xd1, 0xe1, 0x1c, 0x1c, 0x02, 0x37, 0xe1, 0x78, 0x00, 0x36, 0x95, 0x8e, 0x2e, 0x30, 0x4a,
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+	0x4a, 0x69, 0xd7, 0x35, 0xc0, 0x1d, 0xec, 0xf8, 0x7e, 0xa6, 0x17, 0xd1, 0x9d, 0x73, 0xb8, 0x90,
+	0x40, 0x59, 0x29, 0xdd, 0x03, 0x09, 0x85, 0xf4, 0x72, 0x29, 0x9d, 0xe3, 0x28, 0xbd, 0x82, 0xce,
+	0x6f, 0xa5, 0x42, 0x46, 0x3e, 0x25, 0x59, 0x59, 0x2e, 0xa1, 0x8f, 0xb9, 0xf3, 0x07, 0x7b, 0xfd,
+	0xe1, 0x11, 0x5d, 0x65, 0x97, 0xc8, 0xc5, 0x1c, 0xd9, 0x07, 0x67, 0x44, 0xe8, 0x93, 0x77, 0x19,
+	0x5d, 0xbd, 0x97, 0xba, 0x7b, 0x27, 0xfb, 0x10, 0x6b, 0x33, 0xa1, 0x6b, 0x58, 0x50, 0x6f, 0x69,
+	0x5a, 0x22, 0xfa, 0x1c, 0xde, 0xb0, 0x1d, 0x27, 0x6e, 0x52, 0xa6, 0x97, 0x5e, 0x61, 0x57, 0xc9,
+	0xe5, 0xfb, 0x49, 0xc4, 0x1d, 0xf4, 0x63, 0x1c, 0xb6, 0x23, 0x6e, 0x1f, 0x61, 0xb8, 0xa9, 0x01,
+	0x7a, 0x95, 0x5d, 0x21, 0xab, 0xe7, 0x6b, 0x51, 0x24, 0xeb, 0x1a, 0x2a, 0x66, 0xd1, 0x76, 0x0d,
+	0x44, 0xa0, 0x9c, 0xe0, 0x72, 0xaa, 0xf8, 0x7c, 0x69, 0xf5, 0x69, 0xe6, 0x0b, 0xc8, 0xcc, 0x22,
+	0x7f, 0x9a, 0xf9, 0x01, 0xb6, 0x46, 0x56, 0x76, 0xc1, 0x3d, 0xcd, 0x59, 0x47, 0xce, 0x9e, 0xb0,
+	0x9e, 0x75, 0xdf, 0x82, 0xb1, 0x53, 0xce, 0x07, 0x19, 0x23, 0x8b, 0x07, 0xda, 0x0d, 0xb1, 0xf9,
+	0xf7, 0xfc, 0x38, 0xd1, 0x0e, 0x26, 0xff, 0x40, 0x0f, 0x20, 0x91, 0x22, 0xe4, 0x9b, 0xa7, 0x5c,
+	0x48, 0x7e, 0x2c, 0x81, 0x7e, 0x88, 0x31, 0xb2, 0xd0, 0xeb, 0x0d, 0xe0, 0x0b, 0x29, 0x58, 0x37,
+	0xe0, 0x21, 0xd0, 0xbf, 0xcd, 0x6d, 0xbc, 0x42, 0x88, 0xcf, 0x15, 0xbe, 0x2b, 0x80, 0xd6, 0x4a,
+	0xea, 0x40, 0x2b, 0xa0, 0x33, 0xac, 0x4d, 0xe6, 0xef, 0x2b, 0x61, 0x6d, 0x0a, 0x11, 0x0d, 0xb0,
+	0x4f, 0xfa, 0xea, 0xd0, 0xe8, 0x11, 0xae, 0x30, 0x5a, 0x43, 0xee, 0x8e, 0x50, 0xc2, 0x8e, 0xfd,
+	0x84, 0x10, 0x32, 0x9b, 0x37, 0x4c, 0x63, 0xe3, 0xb5, 0x80, 0xb4, 0x87, 0x30, 0xc2, 0x69, 0xc8,
+	0x8c, 0xaf, 0x10, 0x5a, 0xa5, 0x4b, 0xf3, 0x45, 0x9d, 0x02, 0x9c, 0xd6, 0x5d, 0xa3, 0x1f, 0x0b,
+	0x35, 0xa2, 0x35, 0xb4, 0x36, 0x04, 0x2e, 0xbd, 0xe5, 0x16, 0x99, 0xdb, 0x91, 0xa9, 0xbf, 0xa6,
+	0xe1, 0x2f, 0x45, 0x02, 0xc5, 0x2e, 0x20, 0xab, 0x67, 0x74, 0x92, 0x40, 0x44, 0x67, 0xd9, 0x02,
+	0x69, 0x66, 0xd5, 0x44, 0xde, 0xdc, 0xc6, 0xa7, 0xc8, 0xd2, 0x13, 0xeb, 0x9f, 0xcd, 0x93, 0x46,
+	0x7e, 0x35, 0x25, 0xed, 0x2d, 0xa1, 0xb8, 0x99, 0x64, 0x23, 0x43, 0x23, 0x6c, 0xa5, 0x1d, 0xa9,
+	0xb9, 0xcb, 0x01, 0xd8, 0xf8, 0x3b, 0xf1, 0xfb, 0xd7, 0x2b, 0x2e, 0x90, 0xe6, 0x7d, 0x15, 0xc1,
+	0x89, 0x50, 0x10, 0xd1, 0x19, 0xdf, 0xca, 0x59, 0x13, 0x94, 0x3d, 0x15, 0x61, 0x06, 0xd1, 0x99,
+	0x0a, 0x06, 0xd8, 0x8f, 0x77, 0xb8, 0xad, 0x40, 0x27, 0x58, 0xa2, 0x1e, 0xd8, 0xd0, 0x88, 0xe3,
+	0xaa, 0xfa, 0x08, 0xfb, 0x74, 0x38, 0xd6, 0x8f, 0x4b, 0xcc, 0xd2, 0x31, 0xde, 0xb4, 0x0b, 0x6e,
+	0x38, 0xb1, 0x0e, 0xe2, 0xae, 0x56, 0x27, 0x62, 0x64, 0xa9, 0xc0, 0x9b, 0xf6, 0x34, 0x8f, 0x2a,
+	0xea, 0x9f, 0xc7, 0x09, 0x19, 0x80, 0x04, 0x6e, 0xab, 0x56, 0x1f, 0xf9, 0x61, 0xf6, 0xae, 0x6e,
+	0x4a, 0xc1, 0x2d, 0x95, 0x18, 0x0a, 0x7a, 0x99, 0x91, 0x31, 0x16, 0x75, 0x53, 0x3a, 0x30, 0x19,
+	0xad, 0xd8, 0x0a, 0x59, 0xca, 0xe4, 0x0f, 0xb9, 0x71, 0xc2, 0x1b, 0xf9, 0x59, 0xe0, 0xdb, 0xc7,
+	0xe8, 0xa4, 0xc4, 0x7e, 0x8e, 0xbb, 0xb3, 0x7d, 0x87, 0xdb, 0x12, 0xfa, 0x45, 0xc0, 0x56, 0xc9,
+	0xc5, 0x69, 0x68, 0x25, 0xfe, 0xcb, 0x80, 0x2d, 0x93, 0x45, 0x0c, 0xad, 0xc0, 0x2c, 0xfd, 0x95,
+	0x07, 0x31, 0x88, 0x0a, 0xf8, 0x6b, 0x6f, 0x21, 0x8f, 0xa2, 0x82, 0xff, 0xc6, 0x5f, 0x86, 0x16,
+	0xf2, 0x26, 0xb2, 0xf4, 0x8d, 0x00, 0x3d, 0x9d, 0x5e, 0x96, 0xc3, 0xf4, 0x4d, 0x2f, 0x88, 0x56,
+	0x0b, 0xc1, 0xb7, 0xbc, 0x60, 0x6e, 0xb3, 0x40, 0xdf, 0xf6, 0xe8, 0x1d, 0xae, 0x22, 0x7d, 0x72,
+	0x52, 0xa0, 0xef, 0x04, 0x6c, 0x8d, 0x2c, 0xa3, 0xfa, 0x16, 0x97, 0x5c, 0x85, 0xa5, 0xfc, 0xbb,
+	0x01, 0xbb, 0x44, 0xe8, 0x13, 0xd7, 0x59, 0xfa, 0x6a, 0x8d, 0xd1, 0x69, 0x7e, 0xfd, 0xf0, 0xd0,
+	0x6f, 0xd5, 0x7c, 0xae, 0x72, 0xc1, 0x0c, 0xfb, 0x76, 0x8d, 0x2d, 0x66, 0x49, 0xcf, 0xe8, 0xef,
+	0xd4, 0x58, 0x8b, 0xcc, 0xf6, 0x95, 0x05, 0xe3, 0xe8, 0x57, 0xb0, 0xbf, 0x67, 0xb3, 0xc5, 0x40,
+	0xbf, 0x8a, 0x63, 0x74, 0xc1, 0xf7, 0x37, 0x7d, 0x1d, 0x1f, 0x1d, 0x36, 0x00, 0x0b, 0x2a, 0xaa,
+	0xcc, 0x8e, 0xa5, 0x5f, 0xf3, 0x1a, 0xd9, 0x56, 0xa7, 0xff, 0xa8, 0xfb, 0xd4, 0x54, 0x57, 0xfc,
+	0x3f, 0xeb, 0xe8, 0xc2, 0x2e, 0xb8, 0x72, 0x9c, 0xe9, 0xbf, 0xea, 0xec, 0x0a, 0xb9, 0x34, 0xc5,
+	0xfc, 0xc2, 0x2d, 0x06, 0xf9, 0xdf, 0x75, 0x76, 0x8d, 0x5c, 0xc6, 0xed, 0x53, 0xf4, 0x0d, 0x2a,
+	0x09, 0xeb, 0x44, 0x68, 0xe9, 0x7f, 0xea, 0xec, 0x2a, 0x59, 0xdd, 0x05, 0x57, 0xd4, 0xa3, 0xc2,
+	0xfc, 0x6f, 0x9d, 0x2d, 0x90, 0xf9, 0x01, 0x6e, 0x64, 0x38, 0x05, 0xfa, 0x46, 0x1d, 0x8b, 0x3a,
+	0x25, 0x73, 0x77, 0xde, 0xac, 0x63, 0xaa, 0x5f, 0xe6, 0x2e, 0x1c, 0xf7, 0xe2, 0xee, 0x98, 0x2b,
+	0x05, 0xd2, 0xd2, 0xb7, 0xea, 0x98, 0xd0, 0x01, 0xc4, 0xfa, 0x14, 0x2a, 0xf0, 0xdb, 0x3e, 0x68,
+	0x2f, 0xfc, 0xe9, 0x14, 0xcc, 0xa4, 0x60, 0xbc, 0x53, 0xc7, 0xd2, 0x64, 0xf2, 0xe7, 0x39, 0xef,
+	0xd6, 0xd9, 0xf3, 0x64, 0x2d, 0x5b, 0x16, 0xd3, 0xc2, 0x20, 0x73, 0x04, 0x7d, 0x75, 0xa2, 0xe9,
+	0xab, 0x8d, 0xc2, 0x62, 0x0f, 0xa4, 0xe3, 0x85, 0xde, 0x97, 0x1a, 0xe8, 0x17, 0x0e, 0x57, 0xb9,
+	0x40, 0x2d, 0x7d, 0xad, 0x81, 0x15, 0xdd, 0x05, 0x97, 0xef, 0x50, 0x4b, 0xbf, 0xec, 0x91, 0xdc,
+	0xb2, 0x37, 0xf9, 0xdb, 0x06, 0x5b, 0x22, 0x24, 0x9b, 0x49, 0x0f, 0xfc, 0x6e, 0x6a, 0x0a, 0x9f,
+	0xe4, 0x53, 0x30, 0x13, 0x8f, 0xfe, 0xbe, 0xb8, 0xa0, 0xb2, 0xf9, 0xe8, 0x1f, 0x1a, 0x98, 0xb2,
+	0x23, 0x11, 0xc3, 0x91, 0x08, 0x1f, 0xd1, 0xef, 0x36, 0x31, 0x65, 0x3e, 0xa2, 0x03, 0x1d, 0x41,
+	0x56, 0xe1, 0xef, 0x35, 0xb1, 0x61, 0xb0, 0x0f, 0xb3, 0x86, 0xf9, 0xbe, 0xa7, 0xf3, 0xed, 0xdd,
+	0xef, 0xd1, 0x1f, 0xe0, 0xd7, 0x80, 0xe4, 0xf4, 0xd1, 0xf0, 0x1e, 0xfd, 0x61, 0x13, 0xaf, 0xda,
+	0x94, 0x52, 0x87, 0xdc, 0x15, 0xd3, 0xf0, 0xa3, 0x26, 0x8e, 0x53, 0xe5, 0xf6, 0xbc, 0x6a, 0x3f,
+	0x6e, 0x62, 0xee, 0x73, 0xdc, 0x37, 0x5b, 0x0f, 0x97, 0xe2, 0x4f, 0xbc, 0x55, 0xfc, 0xc8, 0xa3,
+	0x27, 0x47, 0x8e, 0xfe, 0xd4, 0xcb, 0x3d, 0xf9, 0xda, 0xd1, 0x3f, 0xb6, 0xf2, 0xfe, 0xaa, 0x60,
+	0x7f, 0x6a, 0x65, 0xf3, 0x71, 0xfe, 0x79, 0xa3, 0x7f, 0xf6, 0xf0, 0x93, 0x4f, 0x22, 0xfd, 0x4b,
+	0x0b, 0x1d, 0xab, 0xbe, 0x6a, 0x8a, 0xc7, 0x60, 0xe9, 0x5f, 0x5b, 0x1b, 0x1d, 0x32, 0xd7, 0xb3,
+	0xd2, 0xef, 0xdc, 0x39, 0x52, 0xef, 0x59, 0x49, 0x67, 0x70, 0x45, 0x6d, 0x69, 0x2d, 0xb7, 0xcf,
+	0x12, 0xf3, 0xe0, 0x63, 0x34, 0xd8, 0xd8, 0x22, 0x4b, 0x5d, 0x1d, 0x27, 0xbc, 0x68, 0x55, 0xbf,
+	0x66, 0xb3, 0xfd, 0x0c, 0x51, 0x96, 0xe6, 0x19, 0xdc, 0x73, 0xdb, 0x67, 0x10, 0xa6, 0xfe, 0x35,
+	0x08, 0x90, 0x44, 0x25, 0x74, 0x30, 0xa2, 0xb5, 0x8d, 0x57, 0x08, 0xed, 0x6a, 0x65, 0x85, 0x75,
+	0xa0, 0xc2, 0xc9, 0x1e, 0x9c, 0x82, 0xf4, 0x6f, 0x8e, 0x33, 0x5a, 0x8d, 0xe8, 0x8c, 0xff, 0x3a,
+	0x82, 0xff, 0x02, 0x66, 0x2f, 0xd3, 0x16, 0x3e, 0xff, 0xfe, 0x7f, 0xb8, 0x48, 0xc8, 0xf6, 0x29,
+	0x28, 0x97, 0x72, 0x29, 0x27, 0xb4, 0x8e, 0x74, 0x37, 0xb5, 0x4e, 0xc7, 0xe2, 0x8b, 0xfe, 0xed,
+	0xfb, 0x7a, 0x40, 0x5a, 0xd9, 0x33, 0x54, 0xb8, 0x96, 0x91, 0x87, 0xa0, 0x22, 0xe1, 0x8d, 0xe3,
+	0xf7, 0xc6, 0x43, 0xf9, 0x83, 0x19, 0x94, 0x42, 0x43, 0xc7, 0x8d, 0x9b, 0xfe, 0x43, 0x33, 0xa8,
+	0xa7, 0x1f, 0x2b, 0xa9, 0x79, 0xe4, 0xdf, 0xc2, 0x42, 0xf5, 0x90, 0x1b, 0xeb, 0x1f, 0x44, 0xfc,
+	0xfd, 0xe5, 0xf6, 0x8d, 0x8f, 0x27, 0xa2, 0x17, 0x4a, 0xb0, 0x8c, 0x79, 0x76, 0xeb, 0x65, 0xb2,
+	0x28, 0xf4, 0xf4, 0x8b, 0x3d, 0x32, 0x49, 0xb8, 0xd5, 0xea, 0xfa, 0x2f, 0xf6, 0x21, 0x7e, 0xb7,
+	0x0f, 0x83, 0xcf, 0xdc, 0x1e, 0x09, 0x37, 0x4e, 0x8f, 0xf1, 0xe3, 0x7d, 0x33, 0x13, 0x7b, 0x51,
+	0xe8, 0xfc, 0x74, 0x53, 0x28, 0x87, 0x75, 0x92, 0x37, 0xfd, 0xe7, 0xfc, 0x66, 0xf6, 0x39, 0x4f,
+	0x8e, 0xbf, 0x11, 0x04, 0xc7, 0xb3, 0x1e, 0xba, 0xfd, 0xbf, 0x00, 0x00, 0x00, 0xff, 0xff, 0x26,
+	0x27, 0x54, 0xc3, 0xc7, 0x0e, 0x00, 0x00,
 }
diff --git a/internal/proxy/meta_cache.go b/internal/proxy/meta_cache.go
index 5c4d0a4942a18f5400388819848190c92ecd3031..148c9eafb8e0cabfcc471f5d7498f6390825e762 100644
--- a/internal/proxy/meta_cache.go
+++ b/internal/proxy/meta_cache.go
@@ -22,6 +22,7 @@ import (
 	"fmt"
 	"strconv"
 	"sync"
+	"time"
 
 	"go.uber.org/zap"
 
@@ -35,6 +36,7 @@ import (
 	"github.com/milvus-io/milvus/internal/proto/rootcoordpb"
 	"github.com/milvus-io/milvus/internal/proto/schemapb"
 	"github.com/milvus-io/milvus/internal/types"
+	"github.com/milvus-io/milvus/internal/util/retry"
 	"github.com/milvus-io/milvus/internal/util/timerecord"
 	"github.com/milvus-io/milvus/internal/util/typeutil"
 )
@@ -607,12 +609,27 @@ func (m *MetaCache) GetShards(ctx context.Context, withCache bool, collectionNam
 		},
 		CollectionID: info.collID,
 	}
-	resp, err := qc.GetShardLeaders(ctx, req)
+
+	// retry until service available or context timeout
+	var resp *querypb.GetShardLeadersResponse
+	childCtx, cancel := context.WithTimeout(ctx, time.Second*10)
+	defer cancel()
+	err = retry.Do(childCtx, func() error {
+		resp, err = qc.GetShardLeaders(ctx, req)
+		if err != nil {
+			return retry.Unrecoverable(err)
+		}
+		if resp.Status.ErrorCode == commonpb.ErrorCode_Success {
+			return nil
+		}
+		// do not retry unless got NoReplicaAvailable from querycoord
+		if resp.Status.ErrorCode != commonpb.ErrorCode_NoReplicaAvailable {
+			return retry.Unrecoverable(fmt.Errorf("fail to get shard leaders from QueryCoord: %s", resp.Status.Reason))
+		}
+		return fmt.Errorf("fail to get shard leaders from QueryCoord: %s", resp.Status.Reason)
+	})
 	if err != nil {
-		return nil, err
-	}
-	if resp.Status.ErrorCode != commonpb.ErrorCode_Success {
-		return nil, fmt.Errorf("fail to get shard leaders from QueryCoord: %s", resp.Status.Reason)
+		return nil, fmt.Errorf("GetShardLeaders timeout, error: %s", err.Error())
 	}
 
 	shards := parseShardLeaderList2QueryNode(resp.GetShards())
diff --git a/internal/querycoord/impl.go b/internal/querycoord/impl.go
index e7cb94e6ca81ce9001841ce072a65959fe873ab7..3c22a2d2861a95f911f937e0fa78e1217f2d6716 100644
--- a/internal/querycoord/impl.go
+++ b/internal/querycoord/impl.go
@@ -1205,7 +1205,7 @@ func (qc *QueryCoord) GetShardLeaders(ctx context.Context, req *querypb.GetShard
 	if len(shardLeaderLists) == 0 {
 		return &querypb.GetShardLeadersResponse{
 			Status: &commonpb.Status{
-				ErrorCode: commonpb.ErrorCode_UnexpectedError,
+				ErrorCode: commonpb.ErrorCode_NoReplicaAvailable,
 				Reason:    "no replica available",
 			},
 		}, nil
diff --git a/internal/querycoord/impl_test.go b/internal/querycoord/impl_test.go
index 01c82638cf4791eb792013b7952a9ac0a26ca4ec..2c2025ef8b2c17bffc5f1dfc19434b7cb86640c2 100644
--- a/internal/querycoord/impl_test.go
+++ b/internal/querycoord/impl_test.go
@@ -23,10 +23,11 @@ import (
 	"testing"
 	"time"
 
+	"go.uber.org/zap"
+
 	"github.com/milvus-io/milvus/internal/common"
 	"github.com/milvus-io/milvus/internal/log"
 	"github.com/milvus-io/milvus/internal/util/sessionutil"
-	"go.uber.org/zap"
 
 	"github.com/stretchr/testify/assert"
 
@@ -1695,7 +1696,7 @@ func TestGetShardLeaders(t *testing.T) {
 	queryCoord.cluster = mockCluster
 	resp, err = queryCoord.GetShardLeaders(ctx, getShardLeadersReq)
 	assert.NoError(t, err)
-	assert.Equal(t, commonpb.ErrorCode_UnexpectedError, resp.Status.ErrorCode)
+	assert.Equal(t, commonpb.ErrorCode_NoReplicaAvailable, resp.Status.ErrorCode)
 
 	// TODO(yah01): Disable the unit test case for now,
 	// restore it after the rebalance between replicas feature is implemented