| ProfileEvent_PerfStalledCyclesFrontend | UInt64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Stalled cycles during issue. | |
| CurrentMetric_SystemReplicasThreads | Int64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Number of threads in the system.replicas thread pool. | |
| ProfileEvent_DistrCacheUnusedPackets | UInt64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Number of skipped unused packets from distributed cache | |
| ProfileEvent_DiskAzureStageBlock | UInt64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Number of Disk Azure blob storage API StageBlock calls | |
| ProfileEvent_KeeperPacketsReceived | UInt64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Packets received by keeper server | |
| ProfileEvent_SynchronousReadWaitMicroseconds | UInt64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Time spent in waiting for synchronous reads in asynchronous local read. | |
| ProfileEvent_SchemaInferenceCacheMisses | UInt64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Number of times the requested source is not in schema cache | |
| ProfileEvent_DistrCacheServerSwitches | UInt64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Number of server switches between distributed cache servers in read/write-through cache | |
| CurrentMetric_DWARFReaderThreadsScheduled | Int64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Number of queued or active jobs in the DWARFBlockInputFormat thread pool. | |
| ProfileEvent_StorageBufferLayerLockWritersWaitMilliseconds | UInt64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Time for waiting free Buffer layer to write to (can be used to tune Buffer layers). | |
| CurrentMetric_RWLockActiveReaders | Int64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Number of threads holding read lock in a table RWLock. | |
| CurrentMetric_AddressesBanned | Int64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Total count of addresses which are banned as faulty for creation connections with connection pools | |
| ProfileEvent_S3CreateMultipartUpload | UInt64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Number of S3 API CreateMultipartUpload calls. | |
| ProfileEvent_KeeperCommits | UInt64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Number of successful commits | |
| ProfileEvent_DiskS3ReadRequestsThrottling | UInt64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Number of 429 and 503 errors in GET and HEAD requests to DiskS3 storage. | |
| CurrentMetric_ObjectStorageAzureThreads | Int64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Number of threads in the AzureObjectStorage thread pool. | |
| ProfileEvent_ZooKeeperBytesSent | UInt64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Number of bytes send over network while communicating with ZooKeeper. | |
| ProfileEvent_S3CopyObject | UInt64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Number of S3 API CopyObject calls. | |
| ProfileEvent_RemoteWriteThrottlerBytes | UInt64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Bytes passed through 'max_remote_write_network_bandwidth_for_server'/'max_remote_write_network_bandwidth' throttler. | |
| CurrentMetric_AggregatorThreadsScheduled | Int64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Number of queued or active jobs in the Aggregator thread pool. | |
| ProfileEvent_ReadWriteBufferFromHTTPRequestsSent | UInt64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Number of HTTP requests sent by ReadWriteBufferFromHTTP | |
| ProfileEvent_ZooKeeperSync | UInt64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Number of 'sync' requests to ZooKeeper. These requests are rarely needed or usable. | |
| ProfileEvent_KafkaBackgroundReads | UInt64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Number of background reads populating materialized views from Kafka since server start | |
| ProfileEvent_MergedIntoCompactParts | UInt64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Number of parts merged into Compact format. | |
| ProfileEvent_AIOWriteBytes | UInt64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Number of bytes written with Linux or FreeBSD AIO interface | |
| ProfileEvent_DictCacheKeysRequested | UInt64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Number of keys requested from the data source for the dictionaries of 'cache' types. | |
| ProfileEvent_CachedReadBufferCreateBufferMicroseconds | UInt64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Prepare buffer time | |
| ProfileEvent_DistrCacheRegistryUpdates | UInt64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Number of distributed cache registry updates | |
| ProfileEvent_HTTPConnectionsReset | UInt64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Number of reset http connections | |
| ProfileEvent_KafkaConsumerErrors | UInt64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Number of errors reported by librdkafka during polls | |
| ProfileEvent_CachedWriteBufferCacheWriteMicroseconds | UInt64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Time spent writing data into filesystem cache | |
| ProfileEvent_SchemaInferenceCacheSchemaMisses | UInt64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Number of times the requested source is in cache but the schema is not in cache during schema inference | |
| ProfileEvent_AddressesExpired | UInt64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Total count of expired addresses which is no longer presented in dns resolve results for http connections | |
| CurrentMetric_BackgroundCommonPoolSize | Int64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Limit on number of tasks in an associated background pool | |
| CurrentMetric_VersionInteger | Int64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Version of the server in a single integer number in base-1000. For example, version 11.22.33 is translated to 11022033. | |
| ProfileEvent_FileSegmentWaitMicroseconds | UInt64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Wait on DOWNLOADING state | |
| ProfileEvent_QueryProfilerErrors | UInt64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Invalid memory accesses during asynchronous stack unwinding. | |
| CurrentMetric_MergeTreeBackgroundExecutorThreadsScheduled | Int64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Number of queued or active jobs in the MergeTreeBackgroundExecutor thread pool. | |
| ProfileEvent_AsynchronousRemoteReadWaitMicroseconds | UInt64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Time spent in waiting for asynchronous remote reads. | |
| CurrentMetric_KafkaConsumers | Int64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Number of active Kafka consumers | |
| ProfileEvent_ThreadpoolReaderReadBytes | UInt64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Bytes read from a threadpool task in asynchronous reading | |
| CurrentMetric_IOUringInFlightEvents | Int64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Number of io_uring SQEs in flight | |
| ProfileEvent_TinyS3Clients | UInt64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Number of S3 clients copies which reuse an existing auth provider from another client. | |
| ProfileEvent_KeeperProcessElapsedMicroseconds | UInt64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Keeper commit latency for a single request | |
| ProfileEvent_OverflowBreak | UInt64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Number of times, data processing was cancelled by query complexity limitation with setting '*_overflow_mode' = 'break' and the result is incomplete. | |
| ProfileEvent_PreferredWarmedUnmergedParts | UInt64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | See setting prefer_warmed_unmerged_parts_seconds. Number of times read queries used outdated pre-merge parts that are in cache instead of merged part that wasn't pulled into cache by CacheWarmer yet. | |
| ProfileEvent_DiskReadElapsedMicroseconds | UInt64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Total time spent waiting for read syscall. This include reads from page cache. | |
| ProfileEvent_S3GetRequestThrottlerSleepMicroseconds | UInt64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Total time a query was sleeping to conform S3 GET and SELECT request throttling. | |
| CurrentMetric_LocalThread | Int64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Number of threads in local thread pools. The threads in local thread pools are taken from the global thread pool. | |
| CurrentMetric_MMappedFiles | Int64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Total number of mmapped files. | |
| ProfileEvent_ExecuteShellCommand | UInt64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Number of shell command executions. | |
| ProfileEvent_PerfTaskClock | UInt64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | A clock count specific to the task that is running | |
| ProfileEvent_DiskPlainRewritableAzureDirectoryRemoved | UInt64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Number of directories removed by the 'plain_rewritable' metadata storage for AzureObjectStorage. | |
| ProfileEvent_SelectedMarks | UInt64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Number of marks (index granules) selected to read from a MergeTree table. | |
| ProfileEvent_ThreadpoolReaderSubmitReadSynchronouslyBytes | UInt64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | How many bytes were read synchronously | |
| CurrentMetric_ThreadPoolRemoteFSReaderThreadsScheduled | Int64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Number of queued or active jobs in the thread pool for remote_filesystem_read_method=threadpool. | |
| ProfileEvent_DistrCacheGetClient | UInt64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Number of client access times | |
| ProfileEvent_MetadataFromKeeperCleanupTransactionCommit | UInt64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Number of times metadata transaction commit for deleted objects cleanup was attempted | |
| ProfileEvent_RemoteFSUnprefetchedBytes | UInt64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Number of bytes from unprefetched buffer | |
| ProfileEvent_InterfaceHTTPSendBytes | UInt64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Number of bytes sent through HTTP interfaces | |
| CurrentMetric_RestartReplicaThreadsScheduled | Int64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Number of queued or active jobs in the RESTART REPLICA thread pool. | |
| CurrentMetric_IOPrefetchThreadsScheduled | Int64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Number of queued or active jobs in the IO prefetch thread pool. | |
| CurrentMetric_SharedMergeTreeThreadsScheduled | Int64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Number of queued or active threads in the thread pools in internals of SharedMergeTree | |
| ProfileEvent_QueryProfilerConcurrencyOverruns | UInt64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Number of times we drop processing of a query profiler signal due to too many concurrent query profilers in other threads, which may indicate overload. | |
| ProfileEvent_MemoryOvercommitWaitTimeMicroseconds | UInt64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Total time spent in waiting for memory to be freed in OvercommitTracker. | |
| ProfileEvent_DictCacheKeysRequestedMiss | UInt64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Number of keys requested from the data source for dictionaries of 'cache' types but not found in the data source. | |
| ProfileEvent_ZooKeeperWatchResponse | UInt64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Number of times watch notification has been received from ZooKeeper. | |
| ProfileEvent_ReadBufferFromAzureMicroseconds | UInt64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Time spent on reading from Azure. | |
| CurrentMetric_AsynchronousInsertThreadsScheduled | Int64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Number of queued or active jobs in the AsynchronousInsert thread pool. | |
| CurrentMetric_MemoryTracking | Int64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Total amount of memory (bytes) allocated by the server. | |
| ProfileEvent_InterfacePrometheusSendBytes | UInt64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Number of bytes sent through Prometheus interfaces | |
| ProfileEvent_InsertQueriesWithSubqueries | UInt64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Count INSERT queries with all subqueries | |
| CurrentMetric_ParquetEncoderThreadsActive | Int64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Number of threads in ParquetBlockOutputFormat thread pool running a task. | |
| CurrentMetric_Write | Int64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Number of write (write, pwrite, io_getevents, etc.) syscalls in fly | |
| ProfileEvent_AzureGetProperties | UInt64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Number of Azure blob storage API GetProperties calls. | |
| CurrentMetric_DatabaseOnDiskThreads | Int64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Number of threads in the DatabaseOnDisk thread pool. | |
| ProfileEvent_ThreadPoolReaderPageCacheHitBytes | UInt64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Number of bytes read inside ThreadPoolReader when it was done from the page cache. | |
| CurrentMetric_DistrCacheOpenedConnections | Int64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Number of open connections to Distributed Cache | |
| ProfileEvent_MergeTreeDataWriterRows | UInt64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Number of rows INSERTed to MergeTree tables. | |
| CurrentMetric_FilesystemCacheHoldFileSegments | Int64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Filesystem cache file segment which are currently hold as unreleasable | |
| ProfileEvent_RowsReadByPrewhereReaders | UInt64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Number of rows read from MergeTree tables (in total) by prewhere readers. | |
| ProfileEvent_FilesystemCacheFreeSpaceKeepingThreadRun | UInt64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Number of times background thread executed free space keeping job | |
| ProfileEvent_QueryProfilerSignalOverruns | UInt64 | 0.00 B | 0.00 B | 12.08 thousand | 0 | | Number of times we drop processing of a query profiler signal due to overrun plus the number of signals that OS has not delivered due to overrun. | |
| CurrentMetric_CacheDictionaryThreadsActive | Int64 | 0.00 B | 0.00 B |
