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- Updates and Announcements
- Product Introduction
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- Getting Started
- Operation Guide
- Configure Cluster
- Managing Cluster
- Managing Service
- Adding Components
- Restarting Service
- Resetting WebUI Password
- Software WebUI Entry
- Operation Guide for Access to WebUI over Private Network
- Service Monitoring
- Role Management
- Configuration Management
- Configuration Rollback
- Managing Configuration Groups
- YARN Job Query
- Impala Query Management
- YARN Resource Scheduling
- Service Operation
- HBase Table-Level Monitoring
- Component Health Status
- Component Configuration Sharing
- Managing Resources
- Monitoring and Alarming
- Cluster Overview
- Log Search
- Alarm Configurations
- Cluster Event
- Alarm Records
- Cluster Inspection
- Monitoring Metrics
- Node Monitoring Metrics
- HDFS Monitoring Metrics
- YARN Monitoring Metrics
- ZooKeeper Monitoring Metrics
- HBase Monitoring Metrics
- Hive Monitoring Metrics
- Spark Monitoring Metrics
- Presto Monitoring Metrics
- ClickHouse Monitoring Metrics
- Druid Monitoring Metrics
- Kudu Monitoring Metrics
- Alluxio Monitoring Metrics
- PrestoSQL Monitoring Metrics
- Impala Monitoring Metrics
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- Doris Monitoring Metrics
- Kylin Monitoring Metrics
- Zeppelin Monitoring Metrics
- Oozie Monitoring Metrics
- Storm Monitoring Metrics
- Livy Monitoring Metrics
- Kyuubi Monitoring Metrics
- EMR Development Guide
- Hadoop Development Guide
- HDFS Common Operations
- HDFS Federation Management Development Guide
- HDFS Federation Management
- Submitting MapReduce Tasks
- Automatically Adding Task Nodes Without Assigning ApplicationMasters
- YARN Task Queue Management
- Practices on YARN Label Scheduling
- Hadoop Best Practices
- Using API to Analyze Data in HDFS and COS
- Dumping YARN Job Logs to COS
- Spark Development Guide
- Hbase Development Guide
- Phoenix on Hbase Development Guide
- Hive Development Guide
- Presto Development Guide
- Sqoop Development Guide
- Hue Development Guide
- Oozie Development Guide
- Flume Development Guide
- Kerberos Development Guide
- Knox Development Guide
- Alluxio Development Guide
- Kylin Development Guide
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- Superset Development Guide
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HBase - overview
| Title | Metric | Unit | Description |
|---|---|---|---|
| Cluster regions in RIT status | ritCount | - | Number of regions in transition |
| ritCountOverThreshold | - | Number of regions that have been in transition for more than the threshold time | |
| Cluster RIT time | ritOldestAge | ms | Age of the longest region in transition |
| Average number of regions per RegionServer | averageLoad | - | Average number of regions per RegionServer |
| Cluster RegionServers | numRegionServers | - | Number of live RegionServers |
| numDeadRegionServers | - | Number of dead RegionServers | |
| Data read/written from/to HMaster | receivedBytes | bytes/s | Amount of data received by cluster |
| sentBytes | bytes/s | Amount of data sent by cluster | |
| Total cluster API requests | clusterRequests | count/s | Total number of cluster requests |
| Cluster assignment manager operation | Assign_num_ops | - | Number of region assignments |
| BulkAssign_num_ops | - | Number of bulk region assignments | |
| Cluster load balancing operations | BalancerCluster_num_ops | - | Number of cluster load balancing operations |
HBase - HMaster
| Title | Metric | Unit | Description |
|---|---|---|---|
| GC count | YGC | - | Young GC count |
| FGC | - | Full GC count | |
| GC time | FGCT | s | Full GC time |
| GCT | s | Garbage collection time | |
| YGCT | s | Young GC time | |
| Memory zone proportion | S0 | % | Percentage of used Survivor 0 memory |
| E | % | Percentage of used Eden memory | |
| CCS | % | Percentage of used compressed class space memory | |
| S1 | % | Percentage of used Survivor 1 memory | |
| O | % | Percentage of used Old memory | |
| M | % | Percentage of used Metaspace memory | |
| JVM logs | LogFatal | - | Number of Fatal logs |
| LogError | - | Number of Error logs | |
| LogWarn | - | Number of Warn logs | |
| LogInfo | - | Number of Info logs | |
| JVM memory | MemNonHeapUsedM | MB | Non-heap memory size used by process |
| MemNonHeapCommittedM | MB | Non-heap memory size committed to process | |
| MemHeapUsedM | MB | Heap memory size used by process | |
| MemHeapCommittedM | MB | Heap memory size committed to process | |
| MemHeapMaxM | MB | Maximum heap memory size available to process | |
| MemMaxM | MB | Maximum memory size available to process | |
| JVM threads | ThreadsNew | - | Number of threads in NEW status |
| ThreadsRunnable | - | Number of threads in RUNNABLE status | |
| ThreadsBlocked | - | Number of threads in BLOCKED status | |
| ThreadsWaiting | - | Number of threads in WAITING status | |
| ThreadsTimedWaiting | - | Number of threads in TIMED WAITING status | |
| ThreadsTerminated | - | Number of threads currently in TERMINATED status | |
| RPC connections | numOpenConnections | - | Number of RPC connections |
| RPC exceptions | FailedSanityCheckException | - | Number of FailedSanityCheckException exceptions |
| NotServingRegionException | - | Number of NotServingRegionException exceptions | |
| OutOfOrderScannerNextException | - | Number of OutOfOrderScannerNextException exceptions | |
| RegionMovedException | - | Number of RegionMovedException exceptions | |
| RegionTooBusyException | - | Number of RegionTooBusyException exceptions | |
| UnknownScannerException | - | Number of UnknownScannerException exceptions | |
| RPC queue requests | numCallsInPriorityQueue | - | Number of requests in the general queue |
| numCallsInReplicationQueue | - | Number of RPC requests in the replication queue | |
| Process start time | masterActiveTime | s | Master active time |
| masterStartTime | s | Master process start time |
HBase - RegionServer
| Title | Metric | Unit | Description |
|---|---|---|---|
| GC count | YGC | - | Young GC count |
| FGC | - | Full GC count | |
| GC time | FGCT | s | Full GC time |
| GCT | s | Garbage collection time | |
| YGCT | s | Young GC time | |
| Memory zone proportion | S0 | % | Percentage of used Survivor 0 memory |
| E | % | Percentage of used Eden memory | |
| CCS | % | Percentage of used compressed class space memory | |
| S1 | % | Percentage of used Survivor 1 memory | |
| O | % | Percentage of used Old memory | |
| M | % | Percentage of used Metaspace memory | |
| JVM logs | LogFatal | - | Number of Fatal logs |
| LogError | - | Number of Error logs | |
| LogWarn | - | Number of Warn logs | |
| LogInfo | - | Number of Info logs | |
| JVM memory | MemNonHeapUsedM | MB | Non-heap memory size used by process |
| MemNonHeapCommittedM | MB | Non-heap memory size committed to process | |
| MemHeapUsedM | MB | Heap memory size used by process | |
| MemHeapCommittedM | MB | Heap memory size committed to process | |
| MemHeapMaxM | MB | Maximum heap memory size available to process | |
| MemMaxM | MB | Maximum memory size available to process | |
| JVM threads | ThreadsNew | - | Number of threads in NEW status |
| ThreadsRunnable | - | Number of threads in RUNNABLE status | |
| ThreadsBlocked | - | Number of threads in BLOCKED status | |
| ThreadsWaiting | - | Number of threads in WAITING status | |
| ThreadsTimedWaiting | - | Number of threads in TIMED WAITING status | |
| ThreadsTerminated | - | Number of threads currently in TERMINATED status | |
| Regions | regionCount | - | Number of regions |
| Region localization | percentFilesLocal | % | Percentage of HFiles on the local HDFS data node in the region |
| Region replica localization | percentFilesLocalSecondaryRegions | % | Percentage of HFiles on the local HDFS data node in the region replica |
| RPC authentications | authenticationFailures | - | Number of RPC authentication failures |
| authenticationSuccesses | - | Number of RPC authentication successes | |
| RPC connections | numOpenConnections | - | Number of RPC connections |
| RPC exceptions | FailedSanityCheckException | - | Number of FailedSanityCheckException exceptions |
| NotServingRegionException | - | Number of NotServingRegionException exceptions | |
| OutOfOrderScannerNextException | - | Number of OutOfOrderScannerNextException exceptions | |
| RegionMovedException | - | Number of RegionMovedException exceptions | |
| RegionTooBusyException | - | Number of RegionTooBusyException exceptions | |
| UnknownScannerException | - | Number of UnknownScannerException exceptions | |
| RPC handlers | numActiveHandler | - | Number of active RPC handlers |
| numActiveWriteHandler | - | Number of active read RPC handlers | |
| numActiveReadHandler | - | Number of active write RPC handlers | |
| numActiveScanHandler | - | Number of active scan RPC handlers | |
| RPC queue requests | numCallsInPriorityQueue | - | Number of requests in the priority queue |
| numCallsInReplicationQueue | - | Number of RPC requests in the replication queue | |
| numCallsInPriorityQueue | - | Number of requests in the general queue | |
| numCallsInWriteQueue | - | Number of RPC calls in the write call queue | |
| numCallsInReadQueue | - | Number of RPC calls in the read call queue | |
| numCallsInScanQueue | - | Number of RPC calls in the scan call queue | |
| WAL files | hlogFileCount | - | Number of WAL files |
| WAL file size | hlogFileSize | Byte | WAL file size |
| MemStore size | memStoreSize | MB | MemStore size |
| Stores | storeCount | - | Number of stores |
| StoreFiles | storeFileCount | - | Number of StoreFiles |
| StoreFile size | storeFileSize | MB | StoreFile size |
| Disk write rate | flushedCellsSize | bytes/s | Disk write rate |
| Average latency | Append_mean | ms | Average Append latency |
| Replay_mean | ms | Average Replay latency | |
| Get_mean | ms | Average GET latency | |
| updatesBlockedTime | ms | Number of milliseconds updates have been blocked so the memstore can be flushed | |
| RegionServer disk writes | FlushTime_num_ops | - | Number of MemStore flushes |
| Requests in operation queue | splitQueueLength | - | Length of the split queue |
| compactionQueueLength | - | Length of the compaction queue | |
| flushQueueLength | - | Length of the region flush queue | |
| Replay operations | Replay_num_ops | - | Number of Replay operations |
| Slow operations | slowAppendCount | - | Number of Append requests that took over 1s to complete |
| slowDeleteCount | - | Number of Delete requests that took over 1s to complete | |
| slowGetCount | - | Number of Get requests that took over 1s to complete | |
| slowIncrementCount | - | Number of Increment requests that took over 1s to complete | |
| slowPutCount | - | Number of Put requests that took over 1s to complete | |
| Split request | splitRequestCount | - | Number of split requested |
| splitSuccessCount | - | Number of successfully executed splits | |
| Cache blocks | blockCacheCount | - | Number of blocks in the block cache |
| blockCacheHitCount | - | Number of block cache hits | |
| blockCacheMissCount | - | Number of block cache misses | |
| Cache read hit rate | blockCacheExpressHitPercent | % | Cache read hit rate |
| Memory size used by the cache block | blockCacheSize | Byte | Memory size used by the cache block |
| Index size | staticBloomSize | Byte | Uncompressed size of static bloom filters |
| staticIndexSize | Byte | Uncompressed size of static indexes | |
| storeFileIndexSize | Byte | Size of indexes in StoreFiles on disk | |
| Received bytes | receivedBytes | bytes/s | Received bytes |
| sentBytes | bytes/s | Sent bytes | |
| Read and write requests | Total | count/s | Total number of requests. When there are scan requests, this value will be smaller than the sum of read and write requests |
| Read | count/s | Number of read requests | |
| Write | count/s | Number of write requests | |
| Append_num_ops | count/s | Number of Append requests | |
| Mutate_num_ops | count/s | Number of Mutate requests | |
| Delete_num_ops | count/s | Number of Delete requests | |
| Increment_num_ops | count/s | Number of Increment requests | |
| Get_num_ops | count/s | Number of Get requests | |
| Put_num_ops | count/s | Number of Put requests | |
| ScanTime_num_ops | count/s | Scan requests (time) | |
| ScanSize_num_ops | count/s | Scan requests (size) | |
| Mutations | mutationsWithoutWALCount | - | Number of mutations |
| Mutation size | mutationsWithoutWALSize | Byte | Mutation size |
| Process start time | regionServerStartTime | s | Process start time |
| Log sync | source.sizeOfLogQueue | - | Total length of synced logs |
| Sync duration | source.ageOfLastShippedOp | ms | Sync duration |
| Requests | ReadRequestCount | count/s | Read requests/s |
| WriteRequestCount | count/s | Write requests/s | |
| Requests | Read | count/s | Read requests/s |
| Write | count/s | Write requests/s | |
| Store size | memstoreSize | Byte | MemStore size |
| storeFileSize | Byte | StoreFile size | |
| Table-level request latency | getTime_99th_percentile | ms | 99th percentile of request processing latency |
| scanTime_99th_percentile | ms | 99th percentile of request processing latency | |
| putTime_99th_percentile | ms | 99th percentile of request processing latency | |
| incrementTime_99th_percentile | ms | 99th percentile of request processing latency | |
| appendTime_99th_percentile | ms | 99th percentile of request processing latency | |
| deleteTime_99th_percentile | ms | 99th percentile of request processing latency | |
| Request processing latency | 99th_percentile | ms | 99th percentile of request processing latency |
| 99.9th_percentile | ms | 99.9% request processing latency | |
| Request queueing latency | 99th_percentile | ms | 99th percentile of request queueing latency |
| 99.9th_percentile | ms | 99.9% request queueing latency | |
| Scan size | max | bytes | Maximum scan size |
| mean | bytes | Average scan size | |
| min | bytes | Minimum scan size | |
| Scan time | max | s | Maximum scan time |
| mean | s | Average scan time | |
| min | s | Minimum scan time |
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