ClickHouse Cloud でのクエリこのシステムテーブルのデータは、ClickHouse Cloud の各ノードにローカルに保持されています。したがって、すべてのデータを完全に把握するには、
clusterAllReplicas 関数を使用する必要があります。詳細については、こちらを参照してください。説明
SELECT クエリの数を確認できます。
カラム
例
関連項目
- system.asynchronous_metrics — 定期的に計算されるメトリクスを含みます。
- system.metrics — 即時に計算されるメトリクスを含みます。
- system.metric_log —
system.metricsおよびsystem.eventsテーブルのメトリクスの値の履歴を含みます。 - 監視 — ClickHouse の監視に関する基本概念。
イベントの説明
ACMEAPIRequests
ACMECertificateOrders
AIAPICalls
AIInputTokens
AIORead
AIOReadBytes
AIOWrite
AIOWriteBytes
AIOutputTokens
AIRowsProcessed
AIRowsSkipped
ASTFuzzerQueries
AddressesDiscovered
AddressesExpired
AddressesMarkedAsFailed
AggregatingSortedMilliseconds
AggregationHashTablesInitializedAsTwoLevel
AggregationOptimizedEqualRangesOfKeys
AggregationPreallocatedElementsInHashTables
AllUsersThrottlerBytes
AllUsersThrottlerSleepMicroseconds
max_network_bandwidth_for_all_users のスロットリング制限に従うためにスリープしていた合計時間。
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
BackgroundLoadingMarksTasks
BackupEntriesCollectorForTablesDataMicroseconds
BackupEntriesCollectorMicroseconds
BackupEntriesCollectorRunPostTasksMicroseconds
BackupLockFileReads
BackupPreparingFileInfosMicroseconds
BackupReadLocalBytesToCalculateChecksums
チェックサム計算のためにローカルで読み取られたバックアップ内のファイル数
BackupReadMetadataMicroseconds
BackupReadRemoteBytesToCalculateChecksums
BackupReadRemoteFilesToCalculateChecksums
BackupThrottlerBytes
BackupThrottlerSleepMicroseconds
max_backup_bandwidth_for_server のスロットリングに従うために、クエリが待機していた合計時間。
BackupWriteMetadataMicroseconds
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
cancel() に要した時間。
CommonBackgroundExecutorTaskExecuteStepMicroseconds
CommonBackgroundExecutorTaskResetMicroseconds
CommonBackgroundExecutorWaitMicroseconds
CompileExpressionsBytes
CompileExpressionsMicroseconds
CompileFunction
CompiledFunctionExecute
CompressedReadBufferBlocks
CompressedReadBufferBytes
CompressedReadBufferChecksumDoesntMatch
CompressedReadBufferChecksumDoesntMatchMicroseconds
CompressedReadBufferChecksumDoesntMatchSingleBitMismatch
ConcurrencyControlDownscales
ConcurrencyControlPreemptedMicroseconds
ConcurrencyControlPreemptions
ConcurrencyControlQueriesDelayed
ConcurrencyControlSlotsAcquired
ConcurrencyControlSlotsAcquiredNonCompeting
ConcurrencyControlSlotsDelayed
ConcurrencyControlSlotsGranted
ConcurrencyControlUpscales
ConcurrencyControlWaitMicroseconds
ConcurrentQuerySlotsAcquired
ConcurrentQueryWaitMicroseconds
ConnectionPoolIsFullMicroseconds
ContextLock
ContextLockWaitMicroseconds
CoordinatedMergesMergeAssignmentRequest
CoordinatedMergesMergeAssignmentRequestMicroseconds
CoordinatedMergesMergeAssignmentResponse
CoordinatedMergesMergeAssignmentResponseMicroseconds
CoordinatedMergesMergeCoordinatorFetchMetadataMicroseconds
CoordinatedMergesMergeCoordinatorFilterMicroseconds
CoordinatedMergesMergeCoordinatorLockStateExclusivelyCount
CoordinatedMergesMergeCoordinatorLockStateExclusivelyMicroseconds
CoordinatedMergesMergeCoordinatorSelectMergesMicroseconds
CoordinatedMergesMergeCoordinatorUpdateCount
CoordinatedMergesMergeCoordinatorUpdateMicroseconds
CoordinatedMergesMergeWorkerUpdateCount
CoordinatedMergesMergeWorkerUpdateMicroseconds
CreatedLogEntryForMerge
CreatedLogEntryForMutation
CreatedReadBufferDirectIO
O_DIRECT を使用する読み取りバッファが作成された回数。
CreatedReadBufferDirectIOFailed
CreatedReadBufferMMap
mmap を使用する読み取りバッファが作成された回数。
CreatedReadBufferMMapFailed
mmap で作成しようとした回数です (ほかの読み取り方法から選択する際) 。ただし、OS によって許可されず (ファイルシステムのサポート不足などの理由により) 、通常の読み取り方法にフォールバックした場合を指します。
CreatedReadBufferOrdinary
DNSError
DataAfterMergeDiffersFromReplica
- サーバーの更新後に、新しいバージョンの圧縮ライブラリを使用している。
- 別の圧縮方式を使用している。
- 圧縮アルゴリズムが決定論的でない (可能性は極めて低い) 。
- コード内の論理エラーにより、マージアルゴリズムが決定論的でなくなっている。
- コードのバグにより、メモリ内のデータが破損している。
- ハードウェアの問題により、メモリ内のデータが破損している。
- サーバーの起動後に、元データが手動で変更された。
- ZooKeeper に保存されているチェックサムが手動で変更された。
- ‘enable_mixed_granularity_parts’ のようなパーツのフォーマットに関する設定が、レプリカごとに異なる。 サーバーはこの状況を正常に検出しており、バイト単位で同一の結果にするため、レプリカからマージ済みパーツをダウンロードします。
DataAfterMutationDiffersFromReplica
DefaultImplementationForNullsRows
DefaultImplementationForNullsRowsWithNulls
DelayedInserts
DelayedInsertsMilliseconds
DelayedMutations
DelayedMutationsMilliseconds
DeltaLakePartitionPrunedFiles
DeltaLakeScannedFiles
DeltaLakeSnapshotInitializations
DictCacheKeysExpired
DictCacheKeysHit
DictCacheKeysNotFound
DictCacheKeysRequested
DictCacheKeysRequestedFound
DictCacheKeysRequestedMiss
DictCacheLockReadNs
DictCacheLockWriteNs
DictCacheRequestTimeNs
DictCacheRequests
DirectorySync
F_FULLFSYNC/fsync/fdatasync 関数が呼び出された回数。
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
plain_rewritable ディスクの数。
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
DistrCacheObjectStorageWriteBytes
DistrCacheObjectStorageWriteMicroseconds
DistrCacheOpenedConnections
DistrCacheOpenedConnectionsBypassingPool
DistrCachePrecomputeRangesMicroseconds
DistrCacheRangeChange
DistrCacheRangeResetBackward
DistrCacheRangeResetForward
DistrCacheReadBytesFromFallbackBuffer
DistrCacheReadErrors
DistrCacheReadMicroseconds
DistrCacheReadThrottlerBytes
DistrCacheReadThrottlerSleepMicroseconds
DistrCacheReceiveResponseErrors
DistrCacheReceivedCredentialsRefreshPackets
RefreshCredentials パケットの総受信数
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
max_distributed_cache_write_bandwidth_for_server スロットラーを通過したバイト数。
DistrCacheWriteThrottlerSleepMicroseconds
DistributedAsyncInsertionFailures
distributed_foreground_insert = 0 の場合)
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
ExecuteShellCommand
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() に費やされた時間。
FetchBackgroundExecutorTaskExecuteStepMicroseconds
executeStep() で費やされた時間。
FetchBackgroundExecutorTaskResetMicroseconds
FetchBackgroundExecutorWaitMicroseconds
FileOpen
FileSegmentCompleteMicroseconds
FileSegmentFailToIncreasePriority
FileSegmentHolderCompleteMicroseconds
FileSegmentIncreasePriorityMicroseconds
FileSegmentLockMicroseconds
FileSegmentRemoveMicroseconds
FileSegmentWaitMicroseconds
FileSegmentWriteMicroseconds
FileSync
F_FULLFSYNC/fsync/fdatasync がファイルに対して呼び出された回数。
FileSyncElapsedMicroseconds
F_FULLFSYNC/fsync/fdatasync システムコールの待機に費やした合計時間。
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
FilteringMarksWithPrimaryKeyProcessedMarks
FilteringMarksWithSecondaryKeysMicroseconds
FunctionExecute
GatheredColumns
GatheringColumnMilliseconds
GlobalThreadPoolExpansions
GlobalThreadPoolJobWaitTimeMicroseconds
GlobalThreadPoolJobs
GlobalThreadPoolLockWaitMicroseconds
GlobalThreadPoolShrinks
GlobalThreadPoolThreadCreationMicroseconds
HTTPConnectionsCreated
HTTPConnectionsElapsedMicroseconds
HTTPConnectionsErrors
HTTPConnectionsExpired
HTTPConnectionsPreserved
HTTPConnectionsReset
HTTPConnectionsReused
HTTPServerConnectionsClosed
HTTPServerConnectionsCreated
HTTPServerConnectionsExpired
HTTPServerConnectionsPreserved
HTTPServerConnectionsReset
HTTPServerConnectionsReused
HardPageFaults
'mmap' 読み取り方式が正常に使用されていることを示します。
HashJoinPreallocatedElementsInHashTables
HedgedRequestsChangeReplica
IOBufferAllocBytes
IOBufferAllocs
IOUringCQEsCompleted
IOUringCQEsFailed
IOUringSQEsResubmitsAsync
IOUringSQEsResubmitsSync
io_uring SQE 再送信の総数
IOUringSQEsSubmitted
IcebergIteratorInitializationMicroseconds
IcebergMetadataFilesCacheHits
IcebergMetadataFilesCacheMisses
IcebergMetadataFilesCacheStaleMisses
IcebergMetadataFilesCacheWeightLost
IcebergMetadataReadWaitTimeMicroseconds
IcebergMetadataReturnedObjectInfos
IcebergMetadataUpdateMicroseconds
IcebergMinMaxIndexPrunedFiles
IcebergMinMaxNonPrunedDeleteFiles
IcebergMinMaxPrunedDeleteFiles
IcebergPartitionPrunedFiles
IcebergTrivialCountOptimizationApplied
IcebergVersionHintUsed
IgnoredColdParts
ignore_cold_parts_seconds を参照してください。読み取りクエリが、まだ CacheWarmer によって cache に取り込まれていないごく新しいパーツを無視した回数です。
IndexAnalysisRounds
IndexBinarySearchAlgorithm
IndexGenericExclusionSearchAlgorithm
InitialQuery
is_initial_query を参照) 。
InitialSelectQuery
InsertQueriesWithSubqueries
InsertQuery
InsertQueryTimeMicroseconds
挿入バイト数
InsertedCompactParts
InsertedRows
InsertedWideParts
InterfaceHTTPReceiveBytes
InterfaceHTTPSendBytes
InterfaceInterserverReceiveBytes
InterfaceInterserverSendBytes
InterfaceMySQLReceiveBytes
InterfaceMySQLSendBytes
InterfaceNativeReceiveBytes
InterfaceNativeSendBytes
InterfacePostgreSQLReceiveBytes
InterfacePostgreSQLSendBytes
InterfacePrometheusReceiveBytes
InterfacePrometheusSendBytes
JemallocFailedAllocationSampleTracking
JemallocFailedDeallocationSampleTracking
JoinBuildPostProcessingMicroseconds
JoinBuildTableRowCount
JoinDelayedJoinedTransformBlockCount
JoinDelayedJoinedTransformRowCount
JoinNonJoinedTransformBlockCount
JoinNonJoinedTransformRowCount
JoinOptimizeMicroseconds
JoinProbeTableRowCount
JoinReorderMicroseconds
JoinResultRowCount
JoinSpillingHashJoinSwitchedToGraceJoin
KafkaBackgroundReads
KafkaCommitFailures
KafkaCommits
KafkaConsumerErrors
KafkaDirectReads
SELECT の回数
KafkaMVNotReady
KafkaMessagesFailed
KafkaMessagesPolled
KafkaMessagesProduced
KafkaMessagesRead
KafkaProducerErrors
KafkaProducerFlushes
KafkaRebalanceAssignments
KafkaRebalanceErrors
KafkaRebalanceRevocations
KafkaRowsRead
KafkaRowsRejected
KafkaRowsWritten
Kafka書き込み
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
fsync にかかった時間
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 の read_method の場合) 。そのため、再度 mmap する必要がありませんでした。
MMappedFileCacheMisses
mmap read_method の場合) 、再度 mmap する必要があった回数。
MainConfigLoads
MarkCacheEvictedBytes
MarkCacheEvictedFiles
MarkCacheEvictedMarks
MarkCacheHits
MarkCacheMisses
MarksTasksFromCache
MemoryAllocatedWithoutCheck
MemoryAllocatedWithoutCheckBytes
MemoryAllocatorPurge
MemoryAllocatorPurgeTimeMicroseconds
MemoryOvercommitWaitTimeMicroseconds
MemoryWorkerRun
MemoryWorkerRunElapsedMicroseconds
マージ
MergeCommitMilliseconds
MergeExecuteMilliseconds
MergeHorizontalStageExecuteMilliseconds
MergeHorizontalStageTotalMilliseconds
MergeMutateBackgroundExecutorTaskCancelMicroseconds
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
MergedIntoWideParts
MergedProjections
MergedRows
MergedUncompressedBytes
MergerMutatorPartsInRangesForMergeCount
MergerMutatorPrepareRangesForMergeElapsedMicroseconds
MergerMutatorRangesForMergeCount
MergerMutatorSelectPartsForMergeElapsedMicroseconds
MergerMutatorSelectRangePartsCount
MergerMutatorsGetPartsForMergeElapsedMicroseconds
MergesRejectedByMemoryLimit
MergesThrottlerBytes
max_merges_bandwidth_for_server スロットラーを通過したバイト数。
MergesThrottlerSleepMicroseconds
MergingSortedMilliseconds
MetadataFromKeeperBackgroundCleanupBlobs
MetadataFromKeeperBackgroundCleanupErrors
MetadataFromKeeperBackgroundCleanupObjects
MetadataFromKeeperBackgroundCleanupTransactions
MetadataFromKeeperCacheHit
MetadataFromKeeperCacheMiss
MetadataFromKeeperCacheTooManyInvalidated
MetadataFromKeeperCacheUpdateMicroseconds
MetadataFromKeeperCleanupTransactionCommit
MetadataFromKeeperCleanupTransactionCommitRetry
MetadataFromKeeperIndividualOperations
MetadataFromKeeperIndividualOperationsMicroseconds
MetadataFromKeeperOperations
MetadataFromKeeperReconnects
MetadataFromKeeperTransactionCommit
MetadataFromKeeperTransactionCommitRetry
MetadataFromKeeperUpdateCacheOneLevel
MoveBackgroundExecutorTaskCancelMicroseconds
cancel() にかかった時間。
MoveBackgroundExecutorTaskExecuteStepMicroseconds
executeStep() に費やされた時間。
MoveBackgroundExecutorTaskResetMicroseconds
MoveBackgroundExecutorWaitMicroseconds
MutateTaskProjectionsCalculationMicroseconds
MutatedRows
MutatedUncompressedBytes
MutationAffectedRowsUpperBound
MutationAllPartColumns
MutationCommitMilliseconds
MutationCreatedEmptyParts
MutationExecuteMilliseconds
MutationSomePartColumns
MutationTotalMilliseconds
MutationTotalParts
MutationUntouchedParts
MutationsAppliedOnFlyInAllReadTasks
MutationsThrottlerBytes
max_mutations_bandwidth_for_server スロットラーを通過したバイト数。
MutationsThrottlerSleepMicroseconds
max_mutations_bandwidth_for_server のスロットリングに従うために、クエリが待機していた合計時間。
NaiveBayesClassifierModelsAllocatedBytes
NaiveBayesClassifierModelsLoaded
NetworkReceiveBytes
NetworkReceiveElapsedMicroseconds
NetworkSendBytes
NetworkSendElapsedMicroseconds
NotCreatedLogEntryForMerge
NotCreatedLogEntryForMutation
OSCPUVirtualTimeMicroseconds
OSCPUWaitMicroseconds
OSIOWaitMicroseconds
OSReadBytes
OSReadChars
OSWriteBytes
OSWriteChars
ObjectStorageGlobFilteredObjects
ObjectStorageListedObjects
ObjectStoragePredicateFilteredObjects
_path/_file に対する述語フィルタリングによって除外されたオブジェクト。
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
OverflowThrow
PageCacheHits
PageCacheMisses
PageCacheOvercommitResize
PageCacheReadBytes
PageCacheResized
PageCacheWeightLost
ParallelReplicasAnnouncementMicroseconds
ParallelReplicasAvailableCount
ParallelReplicasCollectingOwnedSegmentsMicroseconds
ParallelReplicasDeniedRequests
ParallelReplicasHandleAnnouncementMicroseconds
ParallelReplicasHandleRequestMicroseconds
ParallelReplicasNumRequests
ParallelReplicasProcessingPartsMicroseconds
ParallelReplicasQueryCount
ParallelReplicasReadAssignedForStealingMarks
ParallelReplicasReadAssignedMarks
ParallelReplicasReadMarks
ParallelReplicasReadRequestMicroseconds
ParallelReplicasReadUnassignedMarks
ParallelReplicasStealingByHashMicroseconds
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
PerfAlignmentFaults
PerfBranchInstructions
PerfBranchMisses
PerfBusCycles
PerfCPUClock
PerfCPUCycles
PerfCPUMigrations
PerfCacheMisses
PerfCacheReferences
PerfContextSwitches
PerfDataTLBMisses
PerfDataTLBReferences
PerfEmulationFaults
PerfInstructionTLBMisses
PerfInstructionTLBReferences
PerfInstructions
PerfLocalMemoryMisses
PerfLocalMemoryReferences
PerfMinEnabledRunningTime
PerfMinEnabledTime
PerfRefCPUCycles
PerfStalledCyclesBackend
PerfStalledCyclesFrontend
PerfTaskClock
PolygonsAddedToPool
pointInPolygon 関数用の cache (pool) に Polygon が追加されました。
PolygonsInPoolAllocatedBytes
PreferredWarmedUnmergedParts
エントリがプライマリインデックスキャッシュで見つかり、索引ファイルを読み込まずに済んだ回数。
PrimaryIndexCacheMisses
QueriesWithSubqueries
クエリ
QueryBackupThrottlerBytes
max_backup_bandwidth スロットラーを通過したバイト数。
QueryBackupThrottlerSleepMicroseconds
QueryCacheAgeSeconds
QueryCacheHits
QueryCacheMisses
QueryCacheReadBytes
QueryCacheReadRows
QueryCacheWrittenBytes
QueryCacheWrittenRows
QueryConditionCacheHits
QueryConditionCacheMisses
SETTING use_query_condition_cache = 1 を使用する SELECT クエリでのみ更新されます。
QueryLocalReadThrottlerBytes
max_local_read_bandwidth スロットラーを通過したバイト数。
QueryLocalReadThrottlerSleepMicroseconds
max_local_read_bandwidth のスロットリングに合わせるため、クエリがスリープしていた合計時間。
QueryLocalWriteThrottlerBytes
QueryLocalWriteThrottlerSleepMicroseconds
max_local_write_bandwidth のスロットリングに従うために、クエリがスリープしていた合計時間。
QueryMaskingRulesMatch
QueryMemoryLimitExceeded
QueryPlanOptimizeMicroseconds
QueryPreempted
priority 設定により、タスクが一時停止されて待機状態になった回数
QueryProfilerConcurrencyOverruns
QueryProfilerErrors
QueryProfilerRuns
QueryProfilerSignalOverruns
QueryRemoteReadThrottlerBytes
max_remote_read_network_bandwidth スロットラーを経由したバイト数。
QueryRemoteReadThrottlerSleepMicroseconds
max_remote_read_network_bandwidth のスロットリングに従うために、クエリがスリープしていた合計時間。
QueryRemoteWriteThrottlerBytes
max_remote_write_network_bandwidth スロットラーを通過したバイト数。
QueryRemoteWriteThrottlerSleepMicroseconds
max_remote_write_network_bandwidth のスロットリングに従うためにスリープしていた合計時間。
QueryTimeMicroseconds
QuorumFailedInserts
QuorumParts
QuorumWaitMicroseconds
RWLockAcquiredReadLocks
RWLockAcquiredWriteLocks
RWLockReadersWaitMilliseconds
RWLockWritersWaitMilliseconds
ReadBackoff
ReadBufferFromAzureBytes
ReadBufferFromAzureInitMicroseconds
ReadBufferFromAzureMicroseconds
ReadBufferFromAzureRequestsErrors
ReadBufferFromFileDescriptorRead
ReadBufferFromFileDescriptorReadBytes
ReadBufferFromFileDescriptorReadFailed
ReadBufferFromS3Bytes
ReadBufferFromS3InitMicroseconds
ReadBufferFromS3Microseconds
ReadBufferFromS3RequestsErrors
ReadBufferSeekCancelConnection
ReadCompressedBytes
ReadPatchesMicroseconds
ReadTaskRequestsReceived
s3Cluster table function など) 。イニシエーターサーバー側で計測されます。
ReadTaskRequestsSent
ReadTaskRequestsSentElapsedMicroseconds
ReadTasksWithAppliedMutationsOnFly
ReadTasksWithAppliedPatches
ReadWriteBufferFromHTTPBytes
ReadWriteBufferFromHTTPRequestsSent
RealTimeMicroseconds
RebuiltProjections
RefreshableViewLockTableRetry
RefreshableViewRefreshFailed
RefreshableViewRefreshSuccess
RefreshableViewSyncReplicaRetry
RefreshableViewSyncReplicaSuccess
RegexpLocalCacheHit
RegexpLocalCacheMiss
RegexpWithMultipleNeedlesCreated
RegexpWithMultipleNeedlesGlobalCacheHit
RegexpWithMultipleNeedlesGlobalCacheMiss
RejectedInserts
RejectedLightweightUpdates
RejectedMutations
RemoteFSBuffers
RemoteFSCancelledPrefetches
RemoteFSLazySeeks
RemoteFSPrefetchedBytes
RemoteFSPrefetchedReads
RemoteFSPrefetches
RemoteFSSeeks
RemoteFSSeeksWithReset
RemoteFSUnprefetchedBytes
RemoteFSUnprefetchedReads
RemoteFSUnusedPrefetches
RemoteReadThrottlerBytes
max_remote_read_network_bandwidth_for_server/max_remote_read_network_bandwidth スロットラーを介して処理されたバイト数。
RemoteReadThrottlerSleepMicroseconds
RemoteWriteThrottlerBytes
RemoteWriteThrottlerSleepMicroseconds
ReplacingSortedMilliseconds
ReplicaPartialShutdown
ReplicatedCoveredPartsInZooKeeperOnStart
ReplicatedDataLoss
ReplicatedPartChecks
ReplicatedPartChecksFailed
ReplicatedPartFailedFetches
ReplicatedPartFetches
ReplicatedPartFetchesOfMerged
ReplicatedPartMerges
ReplicatedPartMutations
RestorePartsSkippedBytes
RestorePartsSkippedFiles
RowsReadByMainReader
RowsReadByPrewhereReaders
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
lseek 関数が呼び出された回数。
SelectQueriesWithPrimaryKeyUsage
SelectQueriesWithSubqueries
SelectQuery
SelectQueryTimeMicroseconds
SelectedBytes
SelectedMarks
SelectedMarksTotal
SelectedParts
SelectedPartsTotal
SelectedRanges
SelectedRows
SelfDuplicatedAsyncInserts
ServerStartupMilliseconds
skip_unavailable_shards 設定によってスキップされる分片も含めた、想定される分片の総数が反映されます。
SharedDatabaseCatalog で新しい状態の適用に失敗した回数
SharedDatabaseCatalog に新しい状態を適用するのに費やされた合計時間
廃棄対象パーツの削除に使用されたZooKeeperへのリクエスト数
競合が原因でロックの取得に失敗した回数
削除された廃棄対象のパーツ数
データパーツの取得を試みた回数
ピアからデータパーツをフェッチした回数
ピアからのデータパーツ取得にかかるマイクロ秒数
S3 からデータパーツを取得した回数
scheduleDataProcessingJob で処理するブロッキングパーツの数
scheduleDataProcessingJob における blocking パーツの処理時間
scheduleDataProcessingJob におけるフェッチしたパーツの処理時間
scheduleDataProcessingJob で処理する古くなるパーツの数
scheduleDataProcessingJob における古くなったパーツの処理時間
SharedMergeTree の場合に限った loadColumnsChecksumsIndexes の所要時間
merge または mutation の割り当てを試みた回数
Keeper 内の競合により、merge または mutation の割り当てに失敗した回数
マージまたはミューテーションを割り当てようとしたものの、マージ対象がなく失敗した回数
merge または mutation の割り当てを試みた回数
廃棄対象ディレクトリに移動されたパーツの数
outdated ディレクトリに移動されたパーツ数
SMT におけるマージ選択タスクの処理時間 (マイクロ秒)
Keeper に問い合わせることなく、メタデータキャッシュのヒントが見つかった回数
非同期で実行されたOPTIMIZEクエリ
実行された同期OPTIMIZEクエリ
古くなったパーツを確認するために実行された呼び出し回数
古くなったパーツの設定に使用されたZooKeeperリクエスト数
古くなったパーツの確認のために送信されたHTTPリクエスト数
古いパーツの確認のために送信された HTTP レスポンスの数
パーツキラーのメインスレッドが要する時間
キラーによってスケジュールされたパーツの数
パーツの削除に要する時間 (複数のスレッドで実行)
パーツキラーの実行回数
updateReplicaSetTask の実行回数
ZooKeeper からレプリカセットが更新された回数
レプリカセットの更新に要した時間
レプリカセットを更新するために行った ZooKeeper リクエストの総数
scheduleDataProcessingJob の呼び出し回数/
scheduleDataProcessingJobの実行時間
scheduleDataProcessingJob が呼び出されたものの、処理するものが何もなかった回数
selectPartsForCoordinatedFetch に要した時間
selectPartsForCoordinatedFetch で選択されたパーツ数
selectPartsForFullFetch にかかった時間
selectPartsForFullFetch によって選択されたパーツの数
selectPartsForRendezvousFetch にかかった時間
selectPartsForRendezvousFetch で選択されたパーツ数
SnapshotCleanerThread がパーツをクリーンアップすると判断した回数
SnapshotCleanerThread の稼働時間
SnapshotCleanerThread がパーツのクリーンアップを試みる時間
SnapshotCleanerThread がパーツのクリーンアップに要する時間
SnapshotCleanerThread が実行された回数
SnapshotCleanerThread がパーツのクリーンアップに成功した回数
scheduleDataProcessingJob 内での tryUpdateDiskMetadataCacheForPart の所要時間
仮想パーツ更新時間 (マイクロ秒)
仮想パーツの更新回数
リーダー別の仮想パーツ更新
デフォルト以外のバックグラウンドジョブによる仮想パーツ更新
ピアからの仮想パーツ更新回数
ピアからの仮想パーツ更新の所要時間 (マイクロ秒)
ZooKeeper 由来の仮想パーツ更新回数
ZooKeeperからの仮想パーツ更新 (マイクロ秒)
仮想パーツ更新のリーダー選出に失敗
仮想パーツ更新のリーダー選出に成功
ピアからの仮想更新は、ピアが見つからなかったため失敗しました
MergeTree テーブルで共有データパーツのロックを保持していた合計時間
MergeTree テーブルで共有データパーツのロック待機に費やされた合計時間
MergeTree テーブルで共有データパーツのロックが取得された回数
SleepFunctionCalls
SleepFunctionElapsedMicroseconds
SleepFunctionMicroseconds
sleep、sleepEachRow) で指定するスリープ時間。
SlowRead
read_backoff_* 設定で制御されます。
ソフトページフォールト
StorageBufferErrorOnFlush
StorageBufferFlush
StorageBufferLayerLockReadersWaitMilliseconds
StorageBufferLayerLockWritersWaitMilliseconds
StorageBufferPassedAllMinThresholds
StorageBufferPassedBytesFlushThreshold
StorageBufferPassedBytesMaxThreshold
StorageBufferPassedRowsFlushThreshold
StorageBufferPassedRowsMaxThreshold
StorageBufferPassedTimeFlushThreshold
StorageBufferPassedTimeMaxThreshold
StorageConnectionsCreated
StorageConnectionsElapsedMicroseconds
StorageConnectionsErrors
StorageConnectionsExpired
StorageConnectionsPreserved
StorageConnectionsReset
StorageConnectionsReused
SummingSortedMilliseconds
SuspendSendingQueryToShard
async_query_sending_for_remote が有効な場合に、分片へのクエリ送信が一時停止された回数の合計です。
SynchronousReadWaitMicroseconds
SynchronousRemoteReadWaitMicroseconds
システムログのフラッシュ時エラー
SystemTimeMicroseconds
TableFunctionExecute
TextIndexDiscardHint
TextIndexDiscardPatternScan
TextIndexHeaderCacheHits
TextIndexHeaderCacheMisses
TextIndexPostingsCacheHits
TextIndexPostingsCacheMisses
TextIndexReadDictionaryBlocks
TextIndexReadGranulesMicroseconds
TextIndexReadPostings
TextIndexReadSparseIndexBlocks
TextIndexReaderTotalMicroseconds
TextIndexTokensCacheHits
TextIndexTokensCacheMisses
TextIndexUseHint
TextIndexUsedEmbeddedPostings
ThreadPoolReaderPageCacheHit
ThreadPoolReaderPageCacheHitBytes
ThreadPoolReaderPageCacheHitElapsedMicroseconds
ThreadPoolReaderPageCacheMiss
ThreadPoolReaderPageCacheMissBytes
ThreadPoolReaderPageCacheMissElapsedMicroseconds
ThreadpoolReaderPrepareMicroseconds
ThreadpoolReaderReadBytes
ThreadpoolReaderSubmit
ThreadpoolReaderSubmitLookupInCacheMicroseconds
ThreadpoolReaderSubmitReadSynchronously
ThreadpoolReaderSubmitReadSynchronouslyBytes
ThreadpoolReaderSubmitReadSynchronouslyMicroseconds
ThreadpoolReaderTaskMicroseconds
ThrottlerSleepMicroseconds
TinyS3Clients
USearchAddComputedDistances
USearchAddCount
USearchAddVisitedMembers
USearchSearchComputedDistances
USearchSearchCount
USearchSearchVisitedMembers
UncompressedCacheHits
UncompressedCacheMisses
UncompressedCacheWeightLost
UserThrottlerBytes
UserThrottlerSleepMicroseconds
'max_network_bandwidth_for_user' のスロットリングに従うためにスリープしていた合計時間です。
UserTimeMicroseconds
VectorSimilarityIndexCacheHits
VectorSimilarityIndexCacheMisses
VectorSimilarityIndexCacheWeightLost
VersionedCollapsingSortedMilliseconds
WaitMarksLoadMicroseconds
WaitPrefetchTaskMicroseconds
WasmDeserializationMicroseconds
WasmGuestExecuteMicroseconds
WasmMemoryAllocated
WasmModuleInstatiate
WasmSerializationMicroseconds
WasmTotalExecuteMicroseconds
WriteBufferFromFileDescriptorWrite
WriteBufferFromFileDescriptorWriteBytes
WriteBufferFromFileDescriptorWriteFailed
WriteBufferFromHTTPBytes
WriteBufferFromHTTPRequestsSent
WriteBufferFromS3Bytes
WriteBufferFromS3Microseconds
WriteBufferFromS3RequestsErrors
WriteBufferFromS3WaitInflightLimitMicroseconds
s3_max_inflight_parts_for_one_file で定義された上限に達したときに、その一部のリクエストが完了するまでの待機時間。
ZooKeeperBytesReceived
ZooKeeperBytesSent
ZooKeeperCheck
ZooKeeperClose
ZooKeeperCreate
ZooKeeperExists
ZooKeeperGet
ZooKeeperGetACL
ZooKeeperHardwareExceptions
ZooKeeperInit
ZooKeeperList
ZooKeeperListRecursive
listRecursive リクエスト数。
ZooKeeperMulti
ZooKeeperMultiRead
multi リクエストの数 (複合トランザクション) 。