在 ClickHouse Cloud 中查询此系统表中的数据分别保存在 ClickHouse Cloud 各节点的本地。因此,如需查看所有数据的完整情况,需要使用
clusterAllReplicas 函数。更多详情请参见此处。描述
SELECT 查询数量。
列
示例
另请参阅
- system.asynchronous_metrics — 包含定期计算的指标。
- system.metrics — 包含即时计算的指标。
- system.metric_log — 包含表
system.metrics和system.events中指标值的历史记录。 - 监控 — ClickHouse 监控的基本概念。
事件描述
ACMEAPIRequests
ACMECertificateOrders
AIAPICalls
AIInputTokens
AIORead
AIOReadBytes
AIOWrite
AIOWriteBytes
AIOutputTokens
AIRowsProcessed
AIRowsSkipped
ASTFuzzerQueries
AddressesDiscovered
地址已过期
AddressesMarkedAsFailed
AggregatingSortedMilliseconds
AggregationHashTablesInitializedAsTwoLevel
AggregationOptimizedEqualRangesOfKeys
AggregationPreallocatedElementsInHashTables
AllUsersThrottlerBytes
max_network_bandwidth_for_all_users 限流器传输的字节数。
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
ListObjects 的调用次数。
AzurePutRequestThrottlerBlocked
AzurePutRequestThrottlerCount
AzurePutRequestThrottlerSleepMicroseconds
AzureReadMicroseconds
AzureReadRequestsCount
AzureReadRequestsErrors
AzureReadRequestsRedirects
AzureReadRequestsThrottling
AzureStageBlock
AzureUpload
AzureWriteMicroseconds
AzureWriteRequestsCount
AzureWriteRequestsErrors
AzureWriteRequestsRedirects
AzureWriteRequestsThrottling
BackgroundLoadingMarksTasks
BackupEntriesCollectorForTablesDataMicroseconds
BackupEntriesCollectorMicroseconds
BackupEntriesCollectorRunPostTasksMicroseconds
BackupLockFileReads
BackupPreparingFileInfosMicroseconds
BackupReadLocalBytesToCalculateChecksums
用于计算备份条目校验和而在本地读取的文件数
BackupReadMetadataMicroseconds
BackupReadRemoteBytesToCalculateChecksums
BackupReadRemoteFilesToCalculateChecksums
BackupThrottlerBytes
max_backup_bandwidth_for_server 限流器的字节数。
BackupThrottlerSleepMicroseconds
max_backup_bandwidth_for_server 限流而休眠的总时长。
BackupWriteMetadataMicroseconds
BackupsOpenedForRead
BackupsOpenedForUnlock
以写入方式打开的备份数量
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() 中耗费的时间。
CommonBackgroundExecutorTaskExecuteStepMicroseconds
executeStep() 中的耗时。
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
CreatedReadBufferDirectIOFailed
CreatedReadBufferMMap
mmap 的读取缓冲区为读取数据而创建的次数。
CreatedReadBufferMMapFailed
mmap 的读取缓冲区来读取数据 (在其他读取方法中进行选择时) 的次数;但由于文件系统不支持或其他原因,操作系统不允许这样做,因此回退到普通读取方法。
CreatedReadBufferOrdinary
DNSError
合并后数据与副本不同
- 服务器更新后使用了较新版本的压缩库。
- 使用了另一种压缩方法。
- 使用了非确定性的压缩算法 (这种情况极不可能) 。
- 由于代码中的逻辑错误,合并算法表现为非确定性。
- 由于代码中的 bug,导致内存中的数据损坏。
- 由于硬件问题,导致内存中的数据损坏。
- 服务器启动后手动修改了源数据。
- 手动修改了存储在 ZooKeeper 中的校验和。
- 与 part 格式相关的设置 (例如
enable_mixed_granularity_parts) 在不同副本上不一致。 服务器已成功检测到这种情况,并将从副本下载合并后的 part,以强制得到字节级别完全一致的结果。
DataAfterMutationDiffersFromReplica
DefaultImplementationForNullsRows
DefaultImplementationForNullsRowsWithNulls
DelayedInserts
DelayedInsertsMilliseconds
DelayedMutations
DelayedMutationsMilliseconds
DeltaLakePartitionPrunedFiles
DeltaLakeScannedFiles
DeltaLakeSnapshotInitializations
DictCacheKeysExpired
cache 类型的字典中查找到、且在缓存中命中但已失效的键数量。
DictCacheKeysHit
DictCacheKeysNotFound
cache 类型字典中查找但未找到的键数量。
DictCacheKeysRequested
cache 类型的字典从数据源请求的键数。
DictCacheKeysRequestedFound
DictCacheKeysRequestedMiss
cache 类型的字典,从数据源请求但未在数据源中找到的键数量。
DictCacheLockReadNs
cache 类型的字典查找数据时,等待获取读锁所花费的纳秒数。
DictCacheLockWriteNs
cache 类型字典数据而等待写锁所耗费的纳秒数。
DictCacheRequestTimeNs
cache 类型字典所使用的外部数据源时耗费的纳秒数。
DictCacheRequests
cache 类型字典向外部数据源发出的批量请求次数。
DirectorySync
DirectorySyncElapsedMicroseconds
DiskAzureCommitBlockList
CommitBlockList 的调用次数
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 磁盘数量。
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
max_distributed_cache_read_bandwidth_for_server 限流器传输的字节数。
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
max_distributed_cache_write_bandwidth_for_server 限流器的字节数。
DistrCacheWriteThrottlerSleepMicroseconds
max_distributed_cache_write_bandwidth_for_server 限流而休眠的总时长。
DistributedAsyncInsertionFailures
DistributedConnectionConnectCount
DistributedConnectionFailAtAll
DistributedConnectionFailTry
DistributedConnectionMissingTable
DistributedConnectionReconnectCount
DistributedConnectionSkipReadOnlyReplica
DistributedConnectionStaleReplica
DistributedConnectionTries
DistributedConnectionUsable
DistributedDelayedInserts
DistributedDelayedInsertsMilliseconds
DistributedIndexAnalysisMicroseconds
DistributedIndexAnalysisMissingParts
DistributedIndexAnalysisParts
DistributedIndexAnalysisReplicaFallback
DistributedIndexAnalysisScheduledReplicas
DistributedRejectedInserts
DistributedSyncInsertionTimeoutExceeded
distributed_foreground_insert = 1) 时,等待分片的过程超时
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
FetchBackgroundExecutorTaskExecuteStepMicroseconds
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
主键分析期间处理的过滤标记数
FilteringMarksWithSecondaryKeysMicroseconds
FunctionExecute
GatheredColumns
GatheringColumnMilliseconds
GlobalThreadPoolExpansions
GlobalThreadPoolJobWaitTimeMicroseconds
GlobalThreadPoolJobs
GlobalThreadPoolLockWaitMicroseconds
GlobalThreadPoolShrinks
max_thread_pool_free_size 时,就会出现这种情况,表明在线程利用率下降时,全局线程池会相应缩减其大小。
GlobalThreadPoolThreadCreationMicroseconds
HTTPConnectionsCreated
HTTPConnectionsElapsedMicroseconds
HTTPConnectionsErrors
HTTPConnectionsExpired
HTTPConnectionsPreserved
HTTPConnectionsReset
HTTPConnectionsReused
HTTPServerConnectionsClosed
HTTPServerConnectionsCreated
HTTPServerConnectionsExpired
HTTPServerConnectionsPreserved
HTTPServerConnectionsReset
HTTPServerConnectionsReused
硬缺页错误
mmap 读取方法。
HashJoinPreallocatedElementsInHashTables
HedgedRequestsChangeReplica
IOBufferAllocBytes
IOBufferAllocs
IOUringCQEsCompleted
IOUringCQEsFailed
IOUringSQEsResubmitsAsync
IOUringSQEsResubmitsSync
IOUringSQEsSubmitted
IcebergIteratorInitializationMicroseconds
IcebergMetadataFilesCacheHits
IcebergMetadataFilesCacheMisses
IcebergMetadataFilesCacheStaleMisses
IcebergMetadataFilesCacheWeightLost
IcebergMetadataReadWaitTimeMicroseconds
IcebergMetadataReturnedObjectInfos
IcebergMetadataUpdateMicroseconds
IcebergMinMaxIndexPrunedFiles
IcebergMinMaxNonPrunedDeleteFiles
IcebergMinMaxPrunedDeleteFiles
IcebergPartitionPrunedFiles
IcebergTrivialCountOptimizationApplied
IcebergVersionHintUsed
IgnoredColdParts
ignore_cold_parts_seconds。该指标表示读取查询忽略非常新的 parts 的次数——这些 parts 尚未被 CacheWarmer 拉取到缓存中。
IndexAnalysisRounds
IndexBinarySearchAlgorithm
IndexGenericExclusionSearchAlgorithm
InitialQuery
InitialSelectQuery
InsertQueriesWithSubqueries
InsertQuery
InsertQueryTimeMicroseconds
InsertedBytes
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
KafkaMVNotReady
KafkaMessagesFailed
KafkaMessagesPolled
KafkaMessagesProduced
KafkaMessagesRead
KafkaProducerErrors
KafkaProducerFlushes
KafkaRebalanceAssignments
KafkaRebalanceErrors
KafkaRebalanceRevocations
KafkaRowsRead
KafkaRowsRejected
KafkaRowsWritten
KafkaWrites
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 所花费的时间
KeeperSnapshotRemoteLoaderErrors
KeeperSnapshotWrittenBytes
KeeperStaleRequestsSkipped
KeeperStorageLockWaitMicroseconds
KeeperTotalElapsedMicroseconds
LoadedDataParts
LoadedDataPartsMicroseconds
已加载标记数
LoadedMarksFiles
LoadedMarksMemoryBytes
LoadedPrimaryIndexBytes
LoadedPrimaryIndexFiles
LoadedPrimaryIndexRows
LoadedStatisticsMicroseconds
LoadingMarksTasksCanceled
LocalReadThrottlerBytes
max_local_read_bandwidth_for_server/max_local_read_bandwidth 限流器的字节数。
LocalReadThrottlerSleepMicroseconds
LocalThreadPoolBusyMicroseconds
LocalThreadPoolExpansions
LocalThreadPoolJobWaitTimeMicroseconds
LocalThreadPoolJobs
LocalThreadPoolLockWaitMicroseconds
LocalThreadPoolShrinks
LocalThreadPoolThreadCreationMicroseconds
LocalWriteThrottlerBytes
LocalWriteThrottlerSleepMicroseconds
LogDebug
LogError
LogFatal
LogInfo
LogTest
LogTrace
LogWarning
LoggerElapsedNanoseconds
MMappedFileCacheHits
mmap 的 read_method) ,因此无需再次对其执行 mmap。
MMappedFileCacheMisses
read_method) ,因此必须再次对其执行 mmap。
MainConfigLoads
MarkCacheEvictedBytes
MarkCacheEvictedFiles
MarkCacheEvictedMarks
MarkCacheHits
MarkCacheMisses
MarksTasksFromCache
MemoryAllocatedWithoutCheck
MemoryAllocatedWithoutCheckBytes
MemoryAllocatorPurge
MemoryAllocatorPurgeTimeMicroseconds
MemoryOvercommitWaitTimeMicroseconds
MemoryWorkerRun
MemoryWorkerRunElapsedMicroseconds
合并
MergeCommitMilliseconds
MergeExecuteMilliseconds
MergeHorizontalStageExecuteMilliseconds
MergeHorizontalStageTotalMilliseconds
MergeMutateBackgroundExecutorTaskCancelMicroseconds
cancel() 所花费的时间。
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
后台合并因内存限制被拒绝的次数
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
MutationAffectedRowsUpperBound
MutationAllPartColumns
MutationCommitMilliseconds
MutationCreatedEmptyParts
MutationExecuteMilliseconds
MutationSomePartColumns
MutationTotalMilliseconds
MutationTotalParts
MutationUntouchedParts
MutationsAppliedOnFlyInAllReadTasks
MutationsThrottlerBytes
MutationsThrottlerSleepMicroseconds
max_mutations_bandwidth_for_server 限流而休眠的总时长。
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
OverflowThrow
PageCacheHits
PageCacheMisses
PageCacheOvercommitResize
PageCacheReadBytes
PageCacheResized
memory_worker_period_ms 控制) 。
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 函数的缓存 (池) 中。
PolygonsInPoolAllocatedBytes
pointInPolygon 函数添加的 Polygon 所占用的字节数。
首选已预热的未合并 parts
在主索引缓存中命中条目的次数,因此无需加载索引文件。
PrimaryIndexCacheMisses
包含子查询的查询
查询
QueryBackupThrottlerBytes
QueryBackupThrottlerSleepMicroseconds
max_backup_bandwidth 限流要求而休眠的总时长。
QueryCacheAgeSeconds
QueryCacheHits
use_query_cache = 1 的 SELECT 查询更新。
QueryCacheMisses
QueryCacheReadBytes
QueryCacheReadRows
QueryCacheWrittenBytes
QueryCacheWrittenRows
QueryConditionCacheHits
SETTING use_query_condition_cache = 1 的 SELECT 查询更新。
QueryConditionCacheMisses
SETTING use_query_condition_cache = 1 的 SELECT 查询进行更新。
QueryLocalReadThrottlerBytes
max_local_read_bandwidth 限流器的字节数。
QueryLocalReadThrottlerSleepMicroseconds
max_local_read_bandwidth 限流而进入休眠的总时长。
QueryLocalWriteThrottlerBytes
max_local_write_bandwidth 限流器的字节数。
QueryLocalWriteThrottlerSleepMicroseconds
max_local_write_bandwidth 限流而休眠的总时长。
QueryMaskingRulesMatch
QueryMemoryLimitExceeded
QueryPlanOptimizeMicroseconds
QueryPreempted
priority 设置而被暂停并处于等待状态的任务次数
QueryProfilerConcurrencyOverruns
QueryProfilerErrors
QueryProfilerRuns
QueryProfilerSignalOverruns
QueryRemoteReadThrottlerBytes
QueryRemoteReadThrottlerSleepMicroseconds
max_remote_read_network_bandwidth 限流而进入休眠状态的总时长。
QueryRemoteWriteThrottlerBytes
max_remote_write_network_bandwidth 限流器的字节数。
QueryRemoteWriteThrottlerSleepMicroseconds
QueryTimeMicroseconds
QuorumFailedInserts
QuorumParts
QuorumWaitMicroseconds
RWLockAcquiredReadLocks
RWLockAcquiredWriteLocks
RWLockReadersWaitMilliseconds
RWLockWritersWaitMilliseconds
ReadBackoff
ReadBufferFromAzureBytes
ReadBufferFromAzureInitMicroseconds
ReadBufferFromAzureMicroseconds
ReadBufferFromAzureRequestsErrors
ReadBufferFromFileDescriptorRead
read/pread) 的次数。不包括套接字。
ReadBufferFromFileDescriptorReadBytes
ReadBufferFromFileDescriptorReadFailed
ReadBufferFromS3Bytes
ReadBufferFromS3InitMicroseconds
ReadBufferFromS3Microseconds
ReadBufferFromS3RequestsErrors
ReadBufferSeekCancelConnection
ReadCompressedBytes
ReadPatchesMicroseconds
ReadTaskRequestsReceived
ReadTaskRequestsSent
s3Cluster 表函数及类似功能) 。该指标在远程服务器端统计。
ReadTaskRequestsSentElapsedMicroseconds
s3Cluster 表函数及类似功能) 。在远程服务器端测量。
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
RemoteReadThrottlerSleepMicroseconds
max_remote_read_network_bandwidth_for_server/max_remote_read_network_bandwidth 限流要求而休眠的总时长。
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
CompleteMultipartUpload 的调用次数。
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
UploadPart 调用的次数。
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
寻道
使用主键的 SELECT 查询数
含子查询的 SELECT 查询
SelectQuery
SelectQueryTimeMicroseconds
SelectedBytes
SelectedMarks
SelectedMarksTotal
SelectedParts
SelectedPartsTotal
SelectedRanges
SelectedRows
SelfDuplicatedAsyncInserts
ServerStartupMilliseconds
skip_unavailable_shards 设置下被跳过的分片。
SharedDatabaseCatalog 中应用新状态失败的次数
在 SharedDatabaseCatalog 中应用新状态的总耗时
用于移除废弃 parts 的 ZooKeeper 请求数
因冲突而未能获取锁的次数
已移除的废弃 parts 数量
尝试拉取数据分区片段的次数
从 peer 拉取数据分区片段的次数
从 peer 拉取数据分区片段耗时 (微秒)
从 S3 拉取数据分区片段的次数
scheduleDataProcessingJob 中要处理的阻塞 parts 数量
在 scheduleDataProcessingJob 中处理阻塞的 parts 所花费的时间
在 scheduleDataProcessingJob 中处理已拉取 parts 所花费的时间
在 scheduleDataProcessingJob 中处理的过期分区片段数量
在 scheduleDataProcessingJob 中处理过期分区片段所用的时间
仅 SharedMergeTree 的 loadColumnsChecksumsIndexes 耗时
尝试分配合并或变更任务的次数
因 Keeper 中发生冲突而导致分配 merge 或变更失败的次数
尝试分配合并或变更任务但因没有可合并内容而失败的次数
尝试分配合并或变更任务的次数
移至废弃目录的 parts 数量
被移动到过期目录的 parts 数量
SMT 的合并选择任务耗时 (微秒)
未访问 Keeper 即命中元数据缓存提示的次数
已执行的异步 OPTIMIZE 查询
已执行同步 OPTIMIZE 查询
确认过期分区片段的调用次数
用于配置过期分区片段时使用的 ZooKeeper 请求数
为确认过期分区片段而发送的 HTTP 请求数量
为确认过期分区片段而发送的 HTTP 响应数量
parts killer 主线程耗费的时间
killer 已调度的 parts 数量
移除 parts 需要多长时间 (由多个线程执行)
parts killer 的运行次数
updateReplicaSetTask 运行的次数
从 ZooKeeper 更新副本集的次数
更新副本集所花费的时间
为更新副本集而发起的 ZooKeeper 请求总数
scheduleDataProcessingJob 被调用的次数/
scheduleDataProcessingJob 的执行时间
scheduleDataProcessingJob 被调用但没有可执行操作的次数
selectPartsForCoordinatedFetch 耗时
被 selectPartsForCoordinatedFetch 选中的 parts 数量
selectPartsForFullFetch 的耗时
被 selectPartsForFullFetch 选中的 parts 数量
selectPartsForRendezvousFetch 的耗时
selectPartsForRendezvousFetch 选中的 parts 数量
SnapshotCleanerThread 决定清理某个 part 的次数
SnapshotCleanerThread 已运行多长时间
SnapshotCleanerThread 尝试清理一个 part 所需的时间
SnapshotCleanerThread 清理 parts 所需的时间
SnapshotCleanerThread 的运行次数
SnapshotCleanerThread 成功清理 part 的次数
在 scheduleDataProcessingJob 中 tryUpdateDiskMetadataCacheForPart 的耗时
虚拟分区片段更新 (微秒)
虚拟分区片段更新次数
按 leader 统计的虚拟分区片段更新
由非默认后台作业触发的虚拟分区片段更新
来自对等节点的虚拟分区片段更新次数
来自对等节点的虚拟分区片段更新时间 (微秒)
来自 ZooKeeper 的虚拟分区片段更新次数
来自 ZooKeeper 的虚拟分区片段更新耗时 (微秒)
虚拟分区片段更新 leader 选举失败
虚拟分区片段更新 leader 成功选出
来自对等节点的虚拟更新失败,因为未找到任何对等节点
在 MergeTree 表中持有共享数据分区片段锁的总耗时
等待 MergeTree 表中共享数据分区片段锁的总耗时
MergeTree 表中共享数据分区片段锁的获取次数
SleepFunctionCalls
SleepFunctionElapsedMicroseconds
SleepFunctionMicroseconds
SlowRead
read_backoff_* 设置控制。
软缺页
StorageBufferErrorOnFlush
Buffer 表中的缓冲区因写入目标表时出错而无法刷新的次数。
StorageBufferFlush
Buffer 表中缓冲区刷写到存储的次数。
StorageBufferLayerLockReadersWaitMilliseconds
StorageBufferLayerLockWritersWaitMilliseconds
StorageBufferPassedAllMinThresholds
StorageBufferPassedBytesFlushThreshold
StorageBufferPassedBytesMaxThreshold
StorageBufferPassedRowsFlushThreshold
StorageBufferPassedRowsMaxThreshold
StorageBufferPassedTimeFlushThreshold
StorageBufferPassedTimeMaxThreshold
StorageConnectionsCreated
StorageConnectionsElapsedMicroseconds
StorageConnectionsErrors
StorageConnectionsExpired
StorageConnectionsPreserved
StorageConnectionsReset
StorageConnectionsReused
对已排序列求和耗时 (毫秒)
SuspendSendingQueryToShard
async_query_sending_for_remote 时,向分片发送查询被暂停的总次数。
SynchronousReadWaitMicroseconds
SynchronousRemoteReadWaitMicroseconds
SystemLogErrorOnFlush
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
线程池读取任务微秒数
ThrottlerSleepMicroseconds
TinyS3Clients
USearchAddComputedDistances
USearchAddCount
USearchAddVisitedMembers
USearchSearchComputedDistances
USearchSearchCount
USearchSearchVisitedMembers
UncompressedCacheHits
未压缩缓存未命中次数
UncompressedCacheWeightLost
UserThrottlerBytes
max_network_bandwidth_for_user 限流器传输的字节数。
UserThrottlerSleepMicroseconds
max_network_bandwidth_for_user 限流而休眠的总时长。
用户态时间 (微秒)
VectorSimilarityIndexCacheHits
VectorSimilarityIndexCacheMisses
VectorSimilarityIndexCacheWeightLost
VersionedCollapsingSortedMilliseconds
WaitMarksLoadMicroseconds
WaitPrefetchTaskMicroseconds
WasmDeserializationMicroseconds
WasmGuestExecuteMicroseconds
WasmMemoryAllocated
WasmModuleInstatiate
WasmSerializationMicroseconds
WasmTotalExecuteMicroseconds
WriteBufferFromFileDescriptorWrite
write/pwrite) 的次数。不包括套接字。
WriteBufferFromFileDescriptorWriteBytes
WriteBufferFromFileDescriptorWriteFailed
WriteBufferFromHTTPBytes
WriteBufferFromHTTPRequestsSent
WriteBufferFromS3Bytes
WriteBufferFromS3Microseconds
WriteBufferFromS3RequestsErrors
WriteBufferFromS3WaitInflightLimitMicroseconds
ZooKeeperBytesReceived
ZooKeeperBytesSent
ZooKeeperCheck
ZooKeeperClose
ZooKeeperCreate
ZooKeeperExists
exists 请求数。
ZooKeeperGet
ZooKeeperGetACL
ZooKeeperHardwareExceptions
ZooKeeperInit
ZooKeeperList
ZooKeeperListRecursive
listRecursive 请求数。
ZooKeeperMulti
ZooKeeperMultiRead
ZooKeeperMultiWrite
multi 请求数 (复合事务) 。
ZooKeeperOtherExceptions
ZooKeeperReconfig
ZooKeeperRemove
ZooKeeperSet
ZooKeeperSync
sync 请求数。这类请求通常既不常用,也很少有必要。