ClickHouse Cloud에서 쿼리하기이 시스템 테이블의 데이터는 ClickHouse Cloud의 각 노드에 로컬로 저장됩니다. 따라서 전체 데이터를 모두 확인하려면
clusterAllReplicas 함수를 사용해야 합니다. 자세한 내용은 여기를 참조하십시오.설명
SELECT 쿼리가 몇 건인지 확인할 수 있습니다.
컬럼
예시
관련 항목
- system.asynchronous_metrics — 주기적으로 계산된 메트릭을 포함합니다.
- system.metrics — 즉시 계산된 메트릭을 포함합니다.
- system.metric_log —
system.metrics및system.events테이블의 메트릭 값 이력을 포함합니다. - 모니터링 — ClickHouse 모니터링의 기본 개념을 설명합니다.
이벤트 설명
ACMEAPIRequests
ACMECertificateOrders
AIAPICalls
AIInputTokens
AIORead
AIOReadBytes
AIOWrite
AIOWriteBytes
AIOutputTokens
AIRowsProcessed
AIRowsSkipped
ASTFuzzerQueries
AddressesDiscovered
AddressesExpired
AddressesMarkedAsFailed
AggregatingSortedMilliseconds
AggregationHashTablesInitializedAsTwoLevel
AggregationOptimizedEqualRangesOfKeys
AggregationPreallocatedElementsInHashTables
AllUsersThrottlerBytes
AllUsersThrottlerSleepMicroseconds
AnalyzePatchRangesMicroseconds
ApplyPatchesMicroseconds
ArenaAllocBytes
ArenaAllocChunks
AsyncInsertBytes
AsyncInsertCacheHits
AsyncInsertQuery
AsyncInsertRows
AsyncLoaderWaitMicroseconds
AsyncLoggingConsoleDroppedMessages
AsyncLoggingConsoleTotalMessages
AsyncLoggingErrorFileLogDroppedMessages
AsyncLoggingErrorFileLogTotalMessages
AsyncLoggingFileLogDroppedMessages
AsyncLoggingFileLogTotalMessages
AsyncLoggingSyslogDroppedMessages
AsyncLoggingSyslogTotalMessages
AsyncLoggingTextLogDroppedMessages
AsyncLoggingTextLogTotalMessages
AsynchronousReadWaitMicroseconds
AsynchronousReaderIgnoredBytes
AsynchronousRemoteReadWaitMicroseconds
AzureCommitBlockList
AzureCopyObject
AzureCreateContainer
AzureDeleteObjects
AzureGetObject
AzureGetProperties
AzureGetRequestThrottlerBlocked
AzureGetRequestThrottlerCount
AzureGetRequestThrottlerSleepMicroseconds
AzureListObjects
AzurePutRequestThrottlerBlocked
AzurePutRequestThrottlerCount
AzurePutRequestThrottlerSleepMicroseconds
AzureReadMicroseconds
AzureReadRequestsCount
AzureReadRequestsErrors
AzureReadRequestsRedirects
AzureReadRequestsThrottling
AzureStageBlock
AzureUpload
AzureWriteMicroseconds
AzureWriteRequestsCount
AzureWriteRequestsErrors
AzureWriteRequestsRedirects
AzureWriteRequestsThrottling
백그라운드 마크 로딩 작업
BackupEntriesCollectorForTablesDataMicroseconds
BackupEntriesCollectorMicroseconds
BackupEntriesCollectorRunPostTasksMicroseconds
BackupLockFileReads
BackupPreparingFileInfosMicroseconds
BackupReadLocalBytesToCalculateChecksums
BackupReadLocalFilesToCalculateChecksums
BackupReadMetadataMicroseconds
BackupReadRemoteBytesToCalculateChecksums
BackupReadRemoteFilesToCalculateChecksums
BackupThrottlerBytes
BackupThrottlerSleepMicroseconds
BackupWriteMetadataMicroseconds
.backup 파일에 백업 메타데이터를 기록하는 데 걸린 시간
BackupsOpenedForRead
BackupsOpenedForUnlock
BackupsOpenedForWrite
BlobCopierThreadLockBlobsErrors
BlobCopierThreadLockedBlobs
BlobCopierThreadRecordBlobsErrors
BlobCopierThreadRecordedBlobs
BlobCopierThreadReplicateBlobsErrors
BlobCopierThreadReplicatedBlobs
BlobCopierThreadRuns
BlobKillerThreadLockBlobsErrors
BlobKillerThreadLockedBlobs
BlobKillerThreadRecordBlobsErrors
BlobKillerThreadRecordedBlobs
BlobKillerThreadRemoveBlobsErrors
BlobKillerThreadRemoveTasks
BlobKillerThreadRemovedBlobs
BlobKillerThreadRuns
BuildPatchesJoinMicroseconds
BuildPatchesMergeMicroseconds
CacheWarmerBytesDownloaded
CacheWarmerDataPartsDownloaded
CachedReadBufferCacheWriteBytes
CachedReadBufferCacheWriteMicroseconds
CachedReadBufferCreateBufferMicroseconds
CachedReadBufferPredownloadedBytes
CachedReadBufferPredownloadedFromSourceBytes
CachedReadBufferPredownloadedFromSourceMicroseconds
CachedReadBufferReadFromCacheBytes
CachedReadBufferReadFromCacheHits
CachedReadBufferReadFromCacheMicroseconds
CachedReadBufferReadFromCacheMisses
CachedReadBufferReadFromSourceBytes
CachedReadBufferReadFromSourceMicroseconds
CachedReadBufferWaitReadBufferMicroseconds
CachedWriteBufferCacheWriteBytes
CachedWriteBufferCacheWriteMicroseconds
CannotRemoveEphemeralNode
CannotWriteToWriteBufferDiscard
CoalescingSortedMilliseconds
CollapsingSortedMilliseconds
CommonBackgroundExecutorTaskCancelMicroseconds
CommonBackgroundExecutorTaskExecuteStepMicroseconds
CommonBackgroundExecutorTaskResetMicroseconds
CommonBackgroundExecutorWaitMicroseconds
CompileExpressionsBytes
CompileExpressionsMicroseconds
CompileFunction
CompiledFunctionExecute
CompressedReadBufferBlocks
CompressedReadBufferBytes
CompressedReadBufferChecksumDoesntMatch
CompressedReadBufferChecksumDoesntMatchMicroseconds
CompressedReadBufferChecksumDoesntMatchSingleBitMismatch
ConcurrencyControlDownscales
ConcurrencyControlPreemptedMicroseconds
ConcurrencyControlPreemptions
ConcurrencyControlQueriesDelayed
ConcurrencyControlSlotsAcquired
ConcurrencyControlSlotsAcquiredNonCompeting
ConcurrencyControlSlotsDelayed
ConcurrencyControlSlotsGranted
use_concurrency_control = 0으로 설정된 쿼리에 대해 부여된 CPU 슬롯 수
ConcurrencyControlUpscales
ConcurrencyControlWaitMicroseconds
ConcurrentQuerySlotsAcquired
ConcurrentQueryWaitMicroseconds
ConnectionPoolIsFullMicroseconds
ContextLock
ContextLockWaitMicroseconds
CoordinatedMergesMergeAssignmentRequest
CoordinatedMergesMergeAssignmentRequestMicroseconds
CoordinatedMergesMergeAssignmentResponse
CoordinatedMergesMergeAssignmentResponseMicroseconds
CoordinatedMergesMergeCoordinatorFetchMetadataMicroseconds
CoordinatedMergesMergeCoordinatorFilterMicroseconds
CoordinatedMergesMergeCoordinatorLockStateExclusivelyCount
CoordinatedMergesMergeCoordinatorLockStateExclusivelyMicroseconds
CoordinatedMergesMergeCoordinatorSelectMergesMicroseconds
CoordinatedMergesMergeCoordinatorUpdateCount
CoordinatedMergesMergeCoordinatorUpdateMicroseconds
CoordinatedMergesMergeWorkerUpdateCount
CoordinatedMergesMergeWorkerUpdateMicroseconds
CreatedLogEntryForMerge
CreatedLogEntryForMutation
CreatedReadBufferDirectIO
CreatedReadBufferDirectIOFailed
CreatedReadBufferMMap
mmap을 사용하는 읽기 버퍼가 생성된 횟수입니다.
CreatedReadBufferMMapFailed
mmap 기반 읽기 버퍼를 생성하려고 시도했지만(다른 읽기 메서드와 비교해 선택하는 과정에서), 파일 시스템 미지원 등으로 OS가 이를 허용하지 않아 일반 읽기 메서드로 대체된 횟수입니다.
CreatedReadBufferOrdinary
DNSError
DataAfterMergeDiffersFromReplica
- 서버 업데이트 후 더 최신 버전의 압축 라이브러리를 사용하는 경우
- 다른 압축 방식을 사용하는 경우
- 비결정적 압축 알고리즘을 사용하는 경우(발생 가능성은 매우 낮음)
- 코드의 논리 오류로 인해 머지 알고리즘이 비결정적으로 동작하는 경우
- 코드 버그로 인해 메모리에서 데이터 손상이 발생한 경우
- 하드웨어 문제로 인해 메모리에서 데이터 손상이 발생한 경우
- 서버 시작 후 원본 데이터를 수동으로 수정한 경우
- ZooKeeper에 저장된 체크섬을 수동으로 수정한 경우
- ‘enable_mixed_granularity_parts’와 같은 파트 포맷 관련 설정이 레플리카마다 다른 경우 서버는 이 상황을 감지하면 바이트 단위까지 동일한 결과를 보장하기 위해 레플리카에서 병합된 파트를 다운로드합니다.
DataAfterMutationDiffersFromReplica
NULL에 대한 기본 구현이 처리한 행 수
DefaultImplementationForNullsRowsWithNulls
DelayedInserts
DelayedInsertsMilliseconds
DelayedMutations
DelayedMutationsMilliseconds
DeltaLakePartitionPrunedFiles
DeltaLakeScannedFiles
DeltaLake 스냅샷 초기화 횟수
DictCacheKeysExpired
DictCacheKeysHit
DictCacheKeysNotFound
DictCacheKeysRequested
DictCacheKeysRequestedFound
DictCacheKeysRequestedMiss
DictCacheLockReadNs
DictCacheLockWriteNs
DictCacheRequestTimeNs
DictCacheRequests
DirectorySync
DirectorySyncElapsedMicroseconds
DiskAzureCommitBlockList
DiskAzureCopyObject
DiskAzureCreateContainer
DiskAzureDeleteObjects
DiskAzureGetObject
DiskAzureGetProperties
DiskAzureGetRequestThrottlerBlocked
DiskAzureGetRequestThrottlerCount
DiskAzureGetRequestThrottlerSleepMicroseconds
DiskAzureListObjects
DiskAzurePutRequestThrottlerBlocked
DiskAzurePutRequestThrottlerCount
DiskAzurePutRequestThrottlerSleepMicroseconds
DiskAzureReadMicroseconds
DiskAzureReadRequestsCount
DiskAzureReadRequestsErrors
DiskAzureReadRequestsRedirects
DiskAzureReadRequestsThrottling
DiskAzureStageBlock
DiskAzureUpload
DiskAzureWriteMicroseconds
DiskAzureWriteRequestsCount
DiskAzureWriteRequestsErrors
DiskAzureWriteRequestsRedirects
DiskAzureWriteRequestsThrottling
DiskConnectionsCreated
DiskConnectionsElapsedMicroseconds
DiskConnectionsErrors
DiskConnectionsExpired
DiskConnectionsPreserved
DiskConnectionsReset
DiskConnectionsReused
DiskObjectStorageWaitBlobRemovalMicroseconds
DiskPlainRewritableAzureDirectoryCreated
DiskPlainRewritableAzureDirectoryRemoved
DiskPlainRewritableLegacyLayoutDiskCount
DiskPlainRewritableLocalDirectoryCreated
DiskPlainRewritableLocalDirectoryRemoved
DiskPlainRewritableS3DirectoryCreated
DiskPlainRewritableS3DirectoryRemoved
DiskReadElapsedMicroseconds
DiskS3AbortMultipartUpload
DiskS3CompleteMultipartUpload
DiskS3CopyObject
DiskS3CreateMultipartUpload
DiskS3DeleteObjects
DiskS3GetObject
DiskS3GetObjectTagging
DiskS3GetRequestThrottlerBlocked
DiskS3GetRequestThrottlerCount
DiskS3GetRequestThrottlerSleepMicroseconds
DiskS3HeadObject
DiskS3ListObjects
DiskS3PutObject
DiskS3PutRequestThrottlerBlocked
DiskS3PutRequestThrottlerCount
DiskS3PutRequestThrottlerSleepMicroseconds
DiskS3ReadMicroseconds
DiskS3ReadRequestAttempts
DiskS3ReadRequestRetryableErrors
DiskS3ReadRequestsCount
DiskS3ReadRequestsErrors
DiskS3ReadRequestsRedirects
DiskS3ReadRequestsThrottling
DiskS3UploadPart
DiskS3UploadPartCopy
DiskS3WriteMicroseconds
DiskS3WriteRequestAttempts
DiskS3WriteRequestRetryableErrors
DiskS3WriteRequestsCount
DiskS3WriteRequestsErrors
DiskS3WriteRequestsRedirects
DiskS3WriteRequestsThrottling
DiskWriteElapsedMicroseconds
DistrCacheConnectAttempts
DistrCacheConnectMicroseconds
DistrCacheFallbackReadMicroseconds
DistrCacheGetClientMicroseconds
DistrCacheGetResponseMicroseconds
DistrCacheHashRingRebuilds
DistrCacheLockRegistryMicroseconds
DistrCacheMakeRequestErrors
DistrCacheNextImplMicroseconds
ReadBufferFromDistributedCache::nextImpl에 소요된 시간입니다.
DistrCacheObjectStorageWriteBytes
DistrCacheObjectStorageWriteMicroseconds
DistrCacheOpenedConnections
DistrCacheOpenedConnectionsBypassingPool
DistrCachePrecomputeRangesMicroseconds
DistrCacheRangeChange
DistrCacheRangeResetBackward
DistrCacheRangeResetForward
DistrCacheReadBytesFromFallbackBuffer
DistrCacheReadErrors
DistrCacheReadMicroseconds
DistrCacheReadThrottlerBytes
DistrCacheReadThrottlerSleepMicroseconds
DistrCacheReceiveResponseErrors
DistrCacheReceivedCredentialsRefreshPackets
DistrCacheReceivedDataPackets
DistrCacheReceivedDataPacketsBytes
DistrCacheReceivedErrorPackets
DistrCacheReceivedOkPackets
DistrCacheReceivedStopPackets
DistrCacheReconnectsAfterTimeout
DistrCacheRegistryUpdateMicroseconds
DistrCacheRegistryUpdates
DistrCacheRemoveOutdatedMicroseconds
DistrCacheReusedConnections
DistrCacheSentDataPackets
DistrCacheSentDataPacketsBytes
DistrCacheServerAckRequestPackets
DistrCacheServerCachedReadBufferCacheHits
DistrCacheServerCachedReadBufferCacheMisses
DistrCacheServerCachedReadBufferCachePredownloadBytes
DistrCacheServerCachedReadBufferCacheReadBytes
DistrCacheServerCachedReadBufferCacheWrittenBytes
DistrCacheServerCachedReadBufferObjectStorageReadBytes
DistrCacheServerContinueRequestPackets
DistrCacheServerCredentialsRefresh
DistrCacheServerEndRequestPackets
DistrCacheServerNewS3CachedClients
DistrCacheServerProcessRequestMicroseconds
DistrCacheServerReceivedCredentialsRefreshPackets
DistrCacheServerReusedS3CachedClients
DistrCacheServerSkipped
DistrCacheServerStartRequestPackets
DistrCacheServerSwitches
DistrCacheServerUpdates
DistrCacheStaleReconnections
DistrCacheStartRangeMicroseconds
DistrCacheSuccessfulConnectAttempts
DistrCacheSuccessfulRegistryUpdates
DistrCacheTemporaryFilesBytesWritten
DistrCacheTemporaryFilesCreated
DistrCacheUnsuccessfulConnectAttempts
DistrCacheUnsuccessfulRegistryUpdates
DistrCacheUnusedDataPacketsBytes
DistrCacheUnusedPackets
DistrCacheUnusedPacketsBufferAllocations
DistrCacheWriteBytes
DistrCacheWriteErrors
DistrCacheWriteMicroseconds
DistrCacheWriteReconnectsAfterTimeout
DistrCacheWriteThrottlerBytes
DistrCacheWriteThrottlerSleepMicroseconds
DistributedAsyncInsertionFailures
DistributedConnectionConnectCount
DistributedConnectionFailAtAll
DistributedConnectionFailTry
DistributedConnectionMissingTable
DistributedConnectionReconnectCount
DistributedConnectionSkipReadOnlyReplica
DistributedConnectionStaleReplica
DistributedConnectionTries
DistributedConnectionUsable
DistributedDelayedInserts
DistributedDelayedInsertsMilliseconds
DistributedIndexAnalysisMicroseconds
DistributedIndexAnalysisMissingParts
DistributedIndexAnalysisParts
DistributedIndexAnalysisReplicaFallback
DistributedIndexAnalysisScheduledReplicas
DistributedRejectedInserts
DistributedSyncInsertionTimeoutExceeded
DuplicatedAsyncInserts
DuplicatedInsertedBlocks
DuplicationElapsedMicroseconds
EngineFileLikeReadFiles
ExecutableUserDefinedFunctionElapsedMicroseconds
ExecutableUserDefinedFunctionInputBytes
ExecutableUserDefinedFunctionInvocations
ExecutableUserDefinedFunctionOutputBytes
ExecutableUserDefinedFunctionPeakMemoryByteSeconds
ExecutableUserDefinedFunctionSystemTimeMicroseconds
ExecutableUserDefinedFunctionUserTimeMicroseconds
셸 명령 실행
ExternalAggregationCompressedBytes
ExternalAggregationMerge
ExternalAggregationUncompressedBytes
ExternalAggregationWritePart
ExternalDataSourceLocalCacheReadBytes
ExternalJoinCompressedBytes
ExternalJoinMerge
ExternalJoinUncompressedBytes
ExternalJoinWritePart
ExternalProcessingCompressedBytesTotal
ExternalProcessingFilesTotal
ExternalProcessingUncompressedBytesTotal
ExternalSortCompressedBytes
ExternalSortMerge
ExternalSortUncompressedBytes
ExternalSortWritePart
FailedAsyncInsertQuery
FailedInitialQuery
FailedInitialSelectQuery
FailedInsertQuery
FailedInternalInsertQuery
FailedInternalQuery
FailedInternalSelectQuery
FailedQuery
FailedSelectQuery
FetchBackgroundExecutorTaskCancelMicroseconds
cancel()을 실행하는 데 소요된 시간입니다.
FetchBackgroundExecutorTaskExecuteStepMicroseconds
executeStep()을 실행하는 데 소요된 시간입니다.
FetchBackgroundExecutorTaskResetMicroseconds
FetchBackgroundExecutorWaitMicroseconds
FileOpen
FileSegmentCompleteMicroseconds
FileSegmentFailToIncreasePriority
FileSegmentHolderCompleteMicroseconds
FileSegmentIncreasePriorityMicroseconds
FileSegmentLockMicroseconds
FileSegmentRemoveMicroseconds
FileSegmentWaitMicroseconds
FileSegmentWriteMicroseconds
FileSync
FileSyncElapsedMicroseconds
FilesystemCacheBackgroundDownloadQueuePush
FilesystemCacheBackgroundEvictedBytes
FilesystemCacheBackgroundEvictedFileSegments
FilesystemCacheCheckCorrectness
FilesystemCacheCheckCorrectnessMicroseconds
FilesystemCacheCreatedKeyDirectories
FilesystemCacheEvictMicroseconds
FilesystemCacheEvictedBytes
FilesystemCacheEvictedFileSegments
FilesystemCacheEvictedFileSegmentsDuringPriorityIncrease
FilesystemCacheEvictionReusedIterator
FilesystemCacheEvictionSkippedEvictingFileSegments
FilesystemCacheEvictionSkippedFileSegments
FilesystemCacheEvictionSkippedMovingFileSegments
FilesystemCacheEvictionTries
FilesystemCacheFailToReserveSpaceBecauseOfCacheResize
FilesystemCacheFailToReserveSpaceBecauseOfLockContention
FilesystemCacheFailedEvictionCandidates
FilesystemCacheFreeSpaceKeepingThreadRun
FilesystemCacheFreeSpaceKeepingThreadWorkMilliseconds
FilesystemCacheGetMicroseconds
FilesystemCacheGetOrSetMicroseconds
FilesystemCacheHoldFileSegments
FilesystemCacheLoadMetadataMicroseconds
FilesystemCacheLockKeyMicroseconds
FilesystemCacheLockMetadataMicroseconds
FilesystemCachePriorityReadLockMicroseconds
FilesystemCachePriorityWriteLockMicroseconds
FilesystemCacheReserveAttempts
FilesystemCacheReserveMicroseconds
FilesystemCacheStateLockMicroseconds
FilesystemCacheUnusedHoldFileSegments
FilterPartsByVirtualColumnsMicroseconds
FilterTransformPassedBytes
FilterTransformPassedRows
FilteringMarksWithPrimaryKeyMicroseconds
프라이머리 키 필터링 시 처리된 마크 수
FilteringMarksWithSecondaryKeysMicroseconds
FunctionExecute
수집된 컬럼 수
GatheringColumnMilliseconds
GlobalThreadPoolExpansions
GlobalThreadPoolJobWaitTimeMicroseconds
GlobalThreadPoolJobs
GlobalThreadPoolLockWaitMicroseconds
GlobalThreadPoolShrinks
max_thread_pool_free_size를 초과할 때 발생하며, 스레드 사용량이 감소함에 따라 Global Thread 풀 크기가 조정되고 있음을 나타냅니다.
GlobalThreadPoolThreadCreationMicroseconds
HTTPConnectionsCreated
HTTPConnectionsElapsedMicroseconds
HTTPConnectionsErrors
HTTPConnectionsExpired
HTTPConnectionsPreserved
HTTPConnectionsReset
HTTPConnectionsReused
HTTPServerConnectionsClosed
HTTPServerConnectionsCreated
HTTPServerConnectionsExpired
HTTPServerConnectionsPreserved
HTTPServerConnectionsReset
HTTPServerConnectionsReused
HardPageFaults
HashJoinPreallocatedElementsInHashTables
HedgedRequestsChangeReplica
IOBufferAllocBytes
IOBufferAllocs
IOUringCQEsCompleted
IOUringCQEsFailed
IOUringSQEsResubmitsAsync
IOUringSQEsResubmitsSync
IOUringSQEsSubmitted
IcebergIteratorInitializationMicroseconds
IcebergMetadataFilesCacheHits
IcebergMetadataFilesCacheMisses
IcebergMetadataFilesCacheStaleMisses
IcebergMetadataFilesCacheWeightLost
IcebergMetadataReadWaitTimeMicroseconds
IcebergMetadataReturnedObjectInfos
IcebergMetadataUpdateMicroseconds
IcebergMinMaxIndexPrunedFiles
IcebergMinMaxNonPrunedDeleteFiles
IcebergMinMaxPrunedDeleteFiles
IcebergPartitionPrunedFiles
IcebergTrivialCountOptimizationApplied
IcebergVersionHintUsed
IgnoredColdParts
IndexAnalysisRounds
인덱스 이진 검색 알고리즘
IndexGenericExclusionSearchAlgorithm
InitialQuery
is_initial_query 참조).
InitialSelectQuery
서브쿼리를 포함한 삽입 쿼리
InsertQuery
InsertQueryTimeMicroseconds
삽입된 바이트 수
InsertedCompactParts
InsertedRows
InsertedWideParts
InterfaceHTTPReceiveBytes
InterfaceHTTPSendBytes
InterfaceInterserverReceiveBytes
InterfaceInterserverSendBytes
InterfaceMySQLReceiveBytes
InterfaceMySQLSendBytes
InterfaceNativeReceiveBytes
InterfaceNativeSendBytes
InterfacePostgreSQLReceiveBytes
InterfacePostgreSQLSendBytes
InterfacePrometheusReceiveBytes
InterfacePrometheusSendBytes
Jemalloc allocation 샘플 추적 실패
JemallocFailedDeallocationSampleTracking
JoinBuildPostProcessingMicroseconds
JoinBuildTableRowCount
JoinDelayedJoinedTransformBlockCount
JoinDelayedJoinedTransformRowCount
JoinNonJoinedTransformBlockCount
JoinNonJoinedTransformRowCount
JoinOptimizeMicroseconds
JoinProbeTableRowCount
JoinReorderMicroseconds
JoinResultRowCount
JoinSpillingHashJoinSwitchedToGraceJoin
KafkaBackgroundReads
KafkaCommitFailures
KafkaCommits
KafkaConsumerErrors
KafkaDirectReads
KafkaMVNotReady
KafkaMessagesFailed
KafkaMessagesPolled
KafkaMessagesProduced
KafkaMessagesRead
KafkaProducerErrors
KafkaProducerFlushes
KafkaRebalanceAssignments
KafkaRebalanceErrors
KafkaRebalanceRevocations
KafkaRowsRead
KafkaRowsRejected
KafkaRowsWritten
Kafka 쓰기
KeeperAddWatchRequest
KeeperBatchMaxCount
KeeperBatchMaxTotalSize
KeeperChangelogFileSyncMicroseconds
KeeperChangelogLockWaitMicroseconds
KeeperChangelogWrittenBytes
KeeperCheckRequest
KeeperCheckWatchRequest
KeeperCommitWaitElapsedMicroseconds
KeeperCommits
KeeperCommitsFailed
KeeperCreateRequest
KeeperExistsRequest
KeeperGetRequest
KeeperLatency
KeeperListRecursiveRequest
KeeperListRequest
KeeperLiveSessionsLockWaitMicroseconds
KeeperLogsEntryReadFromCommitCache
KeeperLogsEntryReadFromFile
KeeperLogsEntryReadFromLatestCache
KeeperLogsPrefetchedEntries
KeeperMultiReadRequest
KeeperMultiRequest
KeeperPacketsReceived
KeeperPacketsSent
KeeperPreprocessElapsedMicroseconds
KeeperProcessAndResponsesLockWaitMicroseconds
KeeperProcessElapsedMicroseconds
KeeperReadBatchCount
KeeperReadBatchTotalRequests
KeeperReadRequestQueueLockWaitMicroseconds
KeeperReadSnapshot
KeeperReadSnapshotDeferred
KeeperReadSnapshotFailed
KeeperReadSnapshotObject
KeeperReconfigRequest
KeeperRemoveRequest
KeeperRemoveWatchRequest
KeeperRequestRejectedDueToSoftMemoryLimitCount
KeeperRequestTotal
KeeperRequestTotalWithSubrequests
KeeperSaveSnapshot
KeeperSaveSnapshotFailed
KeeperSaveSnapshotObject
KeeperServerWriteLockWaitMicroseconds
KeeperSessionCallbackLockWaitMicroseconds
KeeperSetRequest
KeeperSetWatchesRequest
KeeperSnapshotApplys
KeeperSnapshotApplysFailed
KeeperSnapshotCreations
KeeperSnapshotCreationsFailed
KeeperSnapshotFileSyncMicroseconds
KeeperSnapshotRemoteLoaderErrors
KeeperSnapshotWrittenBytes
KeeperStaleRequestsSkipped
KeeperStorageLockWaitMicroseconds
KeeperTotalElapsedMicroseconds
LoadedDataParts
LoadedDataPartsMicroseconds
LoadedMarksCount
LoadedMarksFiles
LoadedMarksMemoryBytes
LoadedPrimaryIndexBytes
LoadedPrimaryIndexFiles
LoadedPrimaryIndexRows
LoadedStatisticsMicroseconds
LoadingMarksTasksCanceled
LocalReadThrottlerBytes
LocalReadThrottlerSleepMicroseconds
LocalThreadPoolBusyMicroseconds
LocalThreadPoolExpansions
LocalThreadPoolJobWaitTimeMicroseconds
LocalThreadPoolJobs
LocalThreadPoolLockWaitMicroseconds
LocalThreadPoolShrinks
LocalThreadPoolThreadCreationMicroseconds
LocalWriteThrottlerBytes
LocalWriteThrottlerSleepMicroseconds
LogDebug
LogError
LogFatal
LogInfo
LogTest
LogTrace
LogWarning
LoggerElapsedNanoseconds
MMappedFileCacheHits
mmap read_method 사용 시). 이 경우 파일을 다시 mmap할 필요가 없습니다.
MMappedFileCacheMisses
mmap read_method 사용 시) 다시 mmap해야 했던 횟수입니다.
MainConfigLoads
MarkCacheEvictedBytes
MarkCacheEvictedFiles
MarkCacheEvictedMarks
MarkCacheHits
MarkCacheMisses
MarksTasksFromCache
MemoryAllocatedWithoutCheck
MemoryAllocatedWithoutCheckBytes
MemoryAllocatorPurge
MemoryAllocatorPurgeTimeMicroseconds
MemoryOvercommitWaitTimeMicroseconds
MemoryWorkerRun
MemoryWorkerRunElapsedMicroseconds
머지
MergeCommitMilliseconds
MergeExecuteMilliseconds
MergeHorizontalStageExecuteMilliseconds
MergeHorizontalStageTotalMilliseconds
MergeMutateBackgroundExecutorTaskCancelMicroseconds
cancel()에 소요된 시간입니다.
MergeMutateBackgroundExecutorTaskExecuteStepMicroseconds
MergeMutateBackgroundExecutorTaskResetMicroseconds
MergeMutateBackgroundExecutorWaitMicroseconds
MergePrewarmStageExecuteMilliseconds
MergePrewarmStageTotalMilliseconds
MergeProjectionStageExecuteMilliseconds
MergeProjectionStageTotalMilliseconds
MergeSourceParts
MergeTextIndexStageExecuteMilliseconds
MergeTextIndexStageTotalMilliseconds
MergeTotalMilliseconds
MergeTreeAllRangesAnnouncementsSent
MergeTreeAllRangesAnnouncementsSentElapsedMicroseconds
MergeTreeDataProjectionWriterBlocks
MergeTreeDataProjectionWriterBlocksAlreadySorted
MergeTreeDataProjectionWriterCompressedBytes
MergeTreeDataProjectionWriterMergingBlocksMicroseconds
MergeTreeDataProjectionWriterRows
MergeTreeDataProjectionWriterSortingBlocksMicroseconds
MergeTreeDataProjectionWriterUncompressedBytes
MergeTreeDataWriterBlocks
MergeTreeDataWriterBlocksAlreadySorted
MergeTreeDataWriterCompressedBytes
MergeTreeDataWriterMergingBlocksMicroseconds
MergeTreeDataWriterProjectionsCalculationMicroseconds
MergeTreeDataWriterRows
MergeTreeDataWriterSkipIndicesCalculationMicroseconds
MergeTreeDataWriterSortingBlocksMicroseconds
MergeTreeDataWriterStatisticsCalculationMicroseconds
MergeTreeDataWriterUncompressedBytes
MergeTreePrefetchedReadPoolInit
MergeTreeReadTaskRequestsReceived
MergeTreeReadTaskRequestsSent
MergeTreeReadTaskRequestsSentElapsedMicroseconds
MergeVerticalStageExecuteMilliseconds
MergeVerticalStageTotalMilliseconds
MergeWrittenRows
MergedColumns
MergedIntoCompactParts
Wide format으로 머지된 파트
MergedProjections
MergedRows
MergedUncompressedBytes
MergerMutatorPartsInRangesForMergeCount
MergerMutatorPrepareRangesForMergeElapsedMicroseconds
MergerMutatorRangesForMergeCount
MergerMutatorSelectPartsForMergeElapsedMicroseconds
MergerMutatorSelectRangePartsCount
MergerMutatorsGetPartsForMergeElapsedMicroseconds
MergesRejectedByMemoryLimit
MergesThrottlerBytes
MergesThrottlerSleepMicroseconds
MergingSortedMilliseconds
MetadataFromKeeperBackgroundCleanupBlobs
MetadataFromKeeperBackgroundCleanupErrors
MetadataFromKeeperBackgroundCleanupObjects
MetadataFromKeeperBackgroundCleanupTransactions
MetadataFromKeeperCacheHit
MetadataFromKeeperCacheMiss
MetadataFromKeeperCacheTooManyInvalidated
MetadataFromKeeperCacheUpdateMicroseconds
MetadataFromKeeperCleanupTransactionCommit
MetadataFromKeeperCleanupTransactionCommitRetry
MetadataFromKeeperIndividualOperations
MetadataFromKeeperIndividualOperationsMicroseconds
MetadataFromKeeperOperations
MetadataFromKeeperReconnects
MetadataFromKeeperTransactionCommit
MetadataFromKeeperTransactionCommitRetry
MetadataFromKeeperUpdateCacheOneLevel
MoveBackgroundExecutorTaskCancelMicroseconds
MoveBackgroundExecutorTaskExecuteStepMicroseconds
MoveBackgroundExecutorTaskResetMicroseconds
MoveBackgroundExecutorWaitMicroseconds
MutateTaskProjectionsCalculationMicroseconds
MutatedRows
MutatedUncompressedBytes
mutation의 영향을 받은 행 수 상한
MutationAllPartColumns
MutationCommitMilliseconds
MutationCreatedEmptyParts
MutationExecuteMilliseconds
MutationSomePartColumns
MutationTotalMilliseconds
MutationTotalParts
MutationUntouchedParts
MutationsAppliedOnFlyInAllReadTasks
MutationsThrottlerBytes
MutationsThrottlerSleepMicroseconds
NaiveBayesClassifierModelsAllocatedBytes
NaiveBayesClassifierModelsLoaded
NetworkReceiveBytes
NetworkReceiveElapsedMicroseconds
NetworkSendBytes
NetworkSendElapsedMicroseconds
NotCreatedLogEntryForMerge
NotCreatedLogEntryForMutation
OSCPUVirtualTimeMicroseconds
OSCPUWaitMicroseconds
OSIOWaitMicroseconds
OSReadBytes
OSReadChars
OSWriteBytes
OSWriteChars
ObjectStorageGlobFilteredObjects
ObjectStorageListedObjects
ObjectStoragePredicateFilteredObjects
ObjectStorageQueueCancelledFiles
ObjectStorageQueueCleanupMaxSetSizeOrTTLMicroseconds
ObjectStorageQueueCommitRequests
ObjectStorageQueueExceptionsDuringInsert
ObjectStorageQueueExceptionsDuringRead
ObjectStorageQueueFailedFiles
ObjectStorageQueueFailedToBatchSetProcessing
ObjectStorageQueueFilteredFiles
ObjectStorageQueueInsertIterations
ObjectStorageQueueListedFiles
ObjectStorageQueueMovedObjects
ObjectStorageQueueProcessedFiles
ObjectStorageQueueProcessedRows
ObjectStorageQueuePullMicroseconds
ObjectStorageQueueReadBytes
ObjectStorageQueueReadFiles
ObjectStorageQueueReadRows
ObjectStorageQueueRemovedObjects
ObjectStorageQueueSuccessfulCommits
ObjectStorageQueueTaggedObjects
ObjectStorageQueueTrySetProcessingFailed
ObjectStorageQueueTrySetProcessingRequests
ObjectStorageQueueTrySetProcessingSucceeded
ObjectStorageQueueUnsuccessfulCommits
ObjectStorageReadObjects
ObsoleteReplicatedParts
OpenedFileCacheHits
OpenedFileCacheMicroseconds
OpenedFileCacheMisses
OtherQueryTimeMicroseconds
OverflowAny
OverflowBreak
*_overflow_mode를 break로 설정했을 때, 쿼리 복잡도 제한으로 인해 데이터 처리가 중단되어 결과가 불완전해진 횟수입니다.
OverflowThrow
PageCacheHits
PageCacheMisses
PageCacheOvercommitResize
PageCacheReadBytes
PageCacheResized
memory_worker_period_ms로 제어됩니다).
PageCacheWeightLost
ParallelReplicasAnnouncementMicroseconds
ParallelReplicasAvailableCount
ParallelReplicasCollectingOwnedSegmentsMicroseconds
ParallelReplicasDeniedRequests
ParallelReplicasHandleAnnouncementMicroseconds
ParallelReplicasHandleRequestMicroseconds
ParallelReplicasNumRequests
ParallelReplicasProcessingPartsMicroseconds
ParallelReplicasQueryCount
ParallelReplicasReadAssignedForStealingMarks
ParallelReplicasReadAssignedMarks
ParallelReplicasReadMarks
ParallelReplicasReadRequestMicroseconds
ParallelReplicasReadUnassignedMarks
해시 기반 스틸링 시간(마이크로초)
ParallelReplicasStealingLeftoversMicroseconds
ParallelReplicasUsedCount
ParquetColumnsFilterExpression
ParquetDecodingTaskBatches
ParquetDecodingTasks
ParquetFetchWaitTimeMicroseconds
ParquetMetadataCacheHits
ParquetMetadataCacheMisses
ParquetMetadataCacheWeightLost
ParquetPrefetcherReadEntireFile
ParquetPrefetcherReadRandomRead
ParquetPrefetcherReadSeekAndRead
ParquetPrunedRowGroups
ParquetReadRowGroups
ParquetRowsFilterExpression
PartsLockHoldMicroseconds
PartsLockWaitMicroseconds
PartsLocks
PatchesAcquireLockMicroseconds
PatchesAcquireLockTries
PatchesAppliedInAllReadTasks
PatchesJoinAppliedInAllReadTasks
PatchesJoinRowsAddedToHashTable
PatchesMergeAppliedInAllReadTasks
PatchesReadRows
PatchesReadUncompressedBytes
정렬 불일치 오류 수
PerfBranchInstructions
PerfBranchMisses
PerfBusCycles
PerfCPUClock
PerfCPUCycles
PerfCPUMigrations
PerfCacheMisses
PerfCacheReferences
PerfContextSwitches
PerfDataTLBMisses
PerfDataTLBReferences
PerfEmulationFaults
PerfInstructionTLBMisses
PerfInstructionTLBReferences
PerfInstructions
PerfLocalMemoryMisses
PerfLocalMemoryReferences
PerfMinEnabledRunningTime
PerfMinEnabledTime
PerfRefCPUCycles
PerfStalledCyclesBackend
PerfStalledCyclesFrontend
PerfTaskClock
PolygonsAddedToPool
PolygonsInPoolAllocatedBytes
PreferredWarmedUnmergedParts
prefer_warmed_unmerged_parts_seconds를 참조하십시오. 읽기 쿼리가 CacheWarmer가 아직 캐시로 가져오지 않은 병합된 파트 대신, 캐시에 있는 병합 전의 오래된 파트를 사용한 횟수입니다.
프라이머리 인덱스 캐시에서 항목을 찾아 인덱스 파일을 로드하지 않아도 되었던 횟수입니다.
PrimaryIndexCacheMisses
서브쿼리를 포함한 쿼리
쿼리
QueryBackupThrottlerBytes
QueryBackupThrottlerSleepMicroseconds
max_backup_bandwidth 스로틀링에 맞추기 위해 쿼리가 대기한 총 시간입니다.
QueryCacheAgeSeconds
QueryCacheHits
SETTING use_query_cache = 1을 사용하는 SELECT 쿼리에 대해서만 업데이트됩니다.
QueryCacheMisses
QueryCacheReadBytes
QueryCacheReadRows
QueryCacheWrittenBytes
QueryCacheWrittenRows
QueryConditionCacheHits
SETTING use_query_condition_cache = 1을 사용하는 SELECT 쿼리에서만 업데이트됩니다.
QueryConditionCacheMisses
SETTING use_query_condition_cache = 1을 사용하는 SELECT 쿼리에 대해서만 업데이트됩니다.
QueryLocalReadThrottlerBytes
QueryLocalReadThrottlerSleepMicroseconds
QueryLocalWriteThrottlerBytes
QueryLocalWriteThrottlerSleepMicroseconds
QueryMaskingRulesMatch
QueryMemoryLimitExceeded
QueryPlanOptimizeMicroseconds
QueryPreempted
QueryProfilerConcurrencyOverruns
QueryProfilerErrors
QueryProfilerRuns
QueryProfilerSignalOverruns
QueryRemoteReadThrottlerBytes
QueryRemoteReadThrottlerSleepMicroseconds
QueryRemoteWriteThrottlerBytes
QueryRemoteWriteThrottlerSleepMicroseconds
QueryTimeMicroseconds
QuorumFailedInserts
QuorumParts
QuorumWaitMicroseconds
RWLockAcquiredReadLocks
RWLockAcquiredWriteLocks
RWLockReadersWaitMilliseconds
RWLockWritersWaitMilliseconds
ReadBackoff
ReadBufferFromAzureBytes
ReadBufferFromAzureInitMicroseconds
ReadBufferFromAzureMicroseconds
ReadBufferFromAzureRequestsErrors
ReadBufferFromFileDescriptorRead
ReadBufferFromFileDescriptorReadBytes
ReadBufferFromFileDescriptorReadFailed
read/pread)가 실패한 총 횟수입니다.
ReadBufferFromS3Bytes
ReadBufferFromS3InitMicroseconds
ReadBufferFromS3Microseconds
ReadBufferFromS3RequestsErrors
ReadBufferSeekCancelConnection
ReadCompressedBytes
ReadPatchesMicroseconds
ReadTaskRequestsReceived
ReadTaskRequestsSent
ReadTaskRequestsSentElapsedMicroseconds
ReadTasksWithAppliedMutationsOnFly
ReadTasksWithAppliedPatches
ReadWriteBufferFromHTTPBytes
ReadWriteBufferFromHTTPRequestsSent
RealTimeMicroseconds
RebuiltProjections
RefreshableViewLockTableRetry
RefreshableViewRefreshFailed
갱신 가능 구체화 뷰 갱신 성공
RefreshableViewSyncReplicaRetry
RefreshableViewSyncReplicaSuccess
RegexpLocalCacheHit
RegexpLocalCacheMiss
RegexpWithMultipleNeedlesCreated
RegexpWithMultipleNeedlesGlobalCacheHit
RegexpWithMultipleNeedlesGlobalCacheMiss
RejectedInserts
RejectedLightweightUpdates
RejectedMutations
RemoteFSBuffers
RemoteFSCancelledPrefetches
RemoteFSLazySeeks
RemoteFSPrefetchedBytes
RemoteFSPrefetchedReads
RemoteFSPrefetches
RemoteFSSeeks
RemoteFSSeeksWithReset
RemoteFSUnprefetchedBytes
RemoteFSUnprefetchedReads
RemoteFSUnusedPrefetches
RemoteReadThrottlerBytes
RemoteReadThrottlerSleepMicroseconds
RemoteWriteThrottlerBytes
RemoteWriteThrottlerSleepMicroseconds
ReplacingSortedMilliseconds
ReplicaPartialShutdown
ReplicatedCoveredPartsInZooKeeperOnStart
ReplicatedDataLoss
quorum inserts가 활성화되지 않은 경우). 즉, 해당 데이터 파트가 기록된 레플리카에 장애가 발생한 뒤, 복구되어 다시 온라인 상태가 되었을 때 그 데이터 파트를 포함하지 않는 경우입니다.
ReplicatedPartChecks
ReplicatedPartChecksFailed
ReplicatedPartFailedFetches
ReplicatedPartFetches
ReplicatedPartFetchesOfMerged
ReplicatedPartMerges
ReplicatedPartMutations
RestorePartsSkippedBytes
RestorePartsSkippedFiles
RowsReadByMainReader
Prewhere 리더가 읽은 총 행 수
RuntimeDataflowStatisticsInputBytes
RuntimeDataflowStatisticsOutputBytes
RuntimeFilterBlocksProcessed
RuntimeFilterBlocksSkipped
RuntimeFilterRowsChecked
RuntimeFilterRowsPassed
RuntimeFilterRowsSkipped
RuntimeFiltersCreated
S3AbortMultipartUpload
S3CachedCredentialsProvidersAdded
S3CachedCredentialsProvidersReused
S3Clients
S3CompleteMultipartUpload
S3CopyObject
S3CreateMultipartUpload
S3DeleteObjects
S3GetObject
S3GetObjectTagging
S3GetRequestThrottlerBlocked
S3GetRequestThrottlerCount
S3GetRequestThrottlerSleepMicroseconds
S3HeadObject
S3ListObjects
S3PutObject
S3PutRequestThrottlerBlocked
S3PutRequestThrottlerCount
S3PutRequestThrottlerSleepMicroseconds
S3QueueSetFileFailedMicroseconds
S3QueueSetFileProcessedMicroseconds
S3QueueSetFileProcessingMicroseconds
S3ReadMicroseconds
S3ReadRequestAttempts
S3ReadRequestRetryableErrors
S3ReadRequestsCount
S3ReadRequestsErrors
S3ReadRequestsRedirects
S3ReadRequestsThrottling
S3UploadPart
S3UploadPartCopy
S3WriteMicroseconds
S3WriteRequestAttempts
S3WriteRequestRetryableErrors
S3WriteRequestsCount
S3WriteRequestsErrors
S3WriteRequestsRedirects
S3WriteRequestsThrottling
ScalarSubqueriesCacheMiss
ScalarSubqueriesGlobalCacheHit
ScalarSubqueriesLocalCacheHit
SchedulerIOReadBytes
SchedulerIOReadRequests
SchedulerIOReadWaitMicroseconds
SchedulerIOWriteBytes
SchedulerIOWriteRequests
SchedulerIOWriteWaitMicroseconds
SchemaInferenceCacheEvictions
SchemaInferenceCacheHits
SchemaInferenceCacheInvalidations
SchemaInferenceCacheMisses
SchemaInferenceCacheNumRowsHits
SchemaInferenceCacheNumRowsMisses
SchemaInferenceCacheSchemaHits
SchemaInferenceCacheSchemaMisses
Seek
SelectQueriesWithPrimaryKeyUsage
서브쿼리를 모두 포함한 SELECT 쿼리
SelectQuery
SelectQueryTimeMicroseconds
SelectedBytes
SelectedMarks
SelectedMarksTotal
SelectedParts
SelectedPartsTotal
선택된 범위
SelectedRows
SelfDuplicatedAsyncInserts
ServerStartupMilliseconds
skip_unavailable_shards 설정으로 건너뛴 세그먼트도 포함됩니다.
SharedDatabaseCatalog에서 새 state를 적용하는 데 실패한 횟수
SharedDatabaseCatalog에서 새 상태를 적용하는 데 소요된 총 시간
폐기 대상으로 지정된 파트를 제거하는 데 사용된 ZooKeeper 요청의 수
충돌 때문에 잠금을 획득하지 못한 횟수
제거된 폐기 대상으로 지정된 파트 수
데이터 파트 가져오기 시도 횟수
피어에서 데이터 파트를 가져온 횟수
피어에서 데이터 파트를 가져오는 데 걸린 마이크로초
S3에서 데이터 파트를 가져온 횟수
scheduleDataProcessingJob에서 처리할 블로킹 파트의 수
scheduleDataProcessingJob에서 블로킹 파트를 처리하는 데 걸리는 시간
scheduleDataProcessingJob에서 fetch된 파트를 처리하는 데 걸린 시간
scheduleDataProcessingJob에서 처리하는 오래된 파트 수
scheduleDataProcessingJob에서 오래된 파트를 처리하는 데 걸리는 시간
SharedMergeTree 전용 loadColumnsChecksumsIndexes 시간
머지 또는 뮤테이션 할당을 시도한 횟수
Keeper의 충돌로 인해 머지 또는 뮤테이션 할당에 실패한 횟수
머지 또는 뮤테이션을 할당하려 했지만 머지할 대상이 없어 실패한 횟수
머지 또는 뮤테이션을 할당하려고 시도한 횟수
폐기 대상으로 지정된 디렉터리로 이동한 파트 수
오래된 디렉터리로 이동한 파트 수
SMT의 머지 선택 작업 시간(마이크로초)
Keeper로 가지 않고 메타데이터 캐시 힌트를 찾은 횟수
실행된 비동기 OPTIMIZE 쿼리
실행된 동기식 OPTIMIZE 쿼리
오래된 파트 확인을 위해 수행된 호출 횟수
오래된 파트 구성에 사용된 ZooKeeper 요청 수
오래된 파트를 확인하기 위해 전송된 HTTP 요청 수
오래된 파트를 확인하는 데 전송된 HTTP 응답 수
parts killer 메인 스레드의 소요 시간
killer가 예약한 파트 수
파트를 제거하는 데 걸리는 시간(여러 스레드에서 실행)
parts killer 실행 횟수
updateReplicaSetTask 실행 횟수
ZooKeeper로부터 레플리카 세트 정보를 업데이트한 횟수
레플리카 세트를 업데이트하는 데 걸리는 시간
레플리카 세트 업데이트를 위해 수행한 ZooKeeper 요청의 총수
scheduleDataProcessingJob 호출 횟수/
scheduleDataProcessingJob 실행 소요 시간
scheduleDataProcessingJob가 호출되었지만 처리할 작업이 없었던 횟수
selectPartsForCoordinatedFetch에 걸린 시간
selectPartsForCoordinatedFetch가 선택한 파트 수
selectPartsForFullFetch 소요 시간
selectPartsForFullFetch로 선택된 파트 수
selectPartsForRendezvousFetch에 소요된 시간
selectPartsForRendezvousFetch에서 선택한 파트 수
SnapshotCleanerThread가 파트 정리를 결정한 횟수
SnapshotCleanerThread의 실행 시간
SnapshotCleanerThread가 파트 정리를 시도하는 데 걸리는 시간
SnapshotCleanerThread가 파트를 정리하는 데 소요되는 시간
SnapshotCleanerThread의 실행 횟수
SnapshotCleanerThread가 파트 정리에 성공한 횟수
scheduleDataProcessingJob에서 tryUpdateDiskMetadataCacheForPart에 걸린 시간
가상 파트 업데이트 시간(마이크로초)
가상 파트 업데이트 횟수
리더별 가상 파트 업데이트
기본값이 아닌 백그라운드 job에서 발생한 가상 파트 updates
peer의 가상 파트 updates 수
피어의 가상 파트 업데이트 마이크로초
ZooKeeper의 가상 파트 업데이트 횟수
ZooKeeper의 가상 파트 업데이트(마이크로초)
가상 파트 업데이트 리더 선출 실패
가상 파트 업데이트 리더 선출 성공
peer의 가상 파트 업데이트를 찾을 수 없어 실패했습니다
MergeTree 테이블에서 공유 데이터 파트 잠금을 유지한 총 시간
MergeTree 테이블에서 공유 데이터 파트 잠금을 대기한 총 시간
MergeTree 테이블에서 공유 데이터 파트 잠금을 획득한 횟수
SleepFunctionCalls
SleepFunctionElapsedMicroseconds
SleepFunctionMicroseconds
sleep, sleepEachRow)에서 설정된 대기 시간입니다.
느린 읽기
소프트 페이지 폴트
StorageBufferErrorOnFlush
StorageBufferFlush
StorageBufferLayerLockReadersWaitMilliseconds
StorageBufferLayerLockWritersWaitMilliseconds
StorageBufferPassedAllMinThresholds
StorageBufferPassedBytesFlushThreshold
StorageBufferPassedBytesMaxThreshold
StorageBufferPassedRowsFlushThreshold
StorageBufferPassedRowsMaxThreshold
StorageBufferPassedTimeFlushThreshold
StorageBufferPassedTimeMaxThreshold
StorageConnectionsCreated
StorageConnectionsElapsedMicroseconds
StorageConnectionsErrors
StorageConnectionsExpired
StorageConnectionsPreserved
StorageConnectionsReset
StorageConnectionsReused
SummingSortedMilliseconds
SuspendSendingQueryToShard
async_query_sending_for_remote가 활성화된 상태에서 세그먼트로 쿼리 전송이 일시 중지된 총 횟수입니다.