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Elastic MapReduce
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    HBase Monitoring Metrics

    Last updated: 2021-03-01 11:36:10
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      HBase - overview

      Metric Name Unit Description
      ritCount - Number of cluster regions in RIT state
      ritCountOverThreshold - Number of cluster regions in RIT state
      ritOldestAge ms Cluster RIT time
      averageLoad - Average number of regions per RS
      numRegionServers - Number of cluster RSs
      numDeadRegionServers - Number of cluster RSs
      receivedBytes Bytes/s Number of cluster reads/writes
      sentBytes Bytes/s Number of cluster reads/writes
      clusterRequests Requests/s Total number of requests in cluster
      Assign_num_ops - Cluster assignment manager operations
      BulkAssign_num_ops - Cluster assignment manager operations
      BalancerCluster_num_ops - Number of cluster load balancing operations
      mergePlanCount - Cluster plans
      splitPlanCount - Cluster plans

      HBase - HMaster

      Metric Name Unit Description
      YGC - GC count
      FGC - GC count
      FGCT s GC time
      GCT s GC time
      YGCT s GC time
      S0 % Memory area proportion
      E % Memory area proportion
      CCS % Memory area proportion
      S1 % Memory area proportion
      O % Memory area proportion
      M % Memory area proportion
      LogFatal - Number of JVM logs
      LogError - Number of JVM logs
      LogWarn - Number of JVM logs
      LogInfo - Number of JVM logs
      MemNonHeapUsedM MB JVM memory
      MemNonHeapCommittedM MB JVM memory
      MemNonHeapMaxM MB JVM memory
      MemHeapUsedM MB JVM memory
      MemHeapCommittedM MB JVM memory
      MemHeapMaxM MB JVM memory
      MemMaxM MB JVM memory
      ThreadsNew - Number of JVM threads
      ThreadsRunnable - Number of JVM threads
      ThreadsBlocked - Number of JVM threads
      ThreadsWaiting - Number of JVM threads
      ThreadsTimedWaiting - Number of JVM threads
      ThreadsTerminated - Number of JVM threads
      numOpenConnections - Number of RPC connections
      FailedSanityCheckException - Number of RPC exceptions
      NotServingRegionException - Number of RPC exceptions
      OutOfOrderScannerNextException - Number of RPC exceptions
      RegionMovedException - Number of RPC exceptions
      RegionTooBusyException - Number of RPC exceptions
      UnknownScannerException - Number of RPC exceptions
      numCallsInPriorityQueue - Number of RPC queue requests
      numCallsInReplicationQueue - Number of RPC queue requests
      masterActiveTime s Process start time
      masterStartTime s Process start time

      HBase - RegionServer

      Metric Name Unit Description
      YGC - GC count
      FGC - GC count
      FGCT s GC time
      GCT s GC time
      YGCT s GC time
      S0 % Memory area proportion
      E % Memory area proportion
      CCS % Memory area proportion
      S1 % Memory area proportion
      O % Memory area proportion
      M % Memory area proportion
      LogFatal - Number of JVM logs
      LogError - Number of JVM logs
      LogWarn - Number of JVM logs
      LogInfo - Number of JVM logs
      MemNonHeapUsedM MB JVM memory
      MemNonHeapCommittedM MB JVM memory
      MemNonHeapMaxM MB JVM memory
      MemHeapUsedM MB JVM memory
      MemHeapCommittedM MB JVM memory
      MemHeapMaxM MB JVM memory
      MemMaxM MB JVM memory
      ThreadsNew - Number of JVM threads
      ThreadsRunnable - Number of JVM threads
      ThreadsBlocked - Number of JVM threads
      ThreadsWaiting - Number of JVM threads
      ThreadsTimedWaiting - Number of JVM threads
      ThreadsTerminated - Number of JVM threads
      averageRegionSize Byte Average region size
      regionCount - Number of regions
      percentFilesLocalSecondaryRegions % Region replica localization
      authenticationFailures - Number of RPC authentications
      authenticationSuccesses - Number of RPC authentications
      numOpenConnections - Number of RPC connections
      FailedSanityCheckException - Number of RPC exceptions
      NotServingRegionException - Number of RPC exceptions
      OutOfOrderScannerNextException - Number of RPC exceptions
      RegionMovedException - Number of RPC exceptions
      RegionTooBusyException - Number of RPC exceptions
      UnknownScannerException - Number of RPC exceptions
      numActiveHandler - Number RPC handles
      numCallsInPriorityQueue - Number of RPC queue requests
      numCallsInReplicationQueue - Number of RPC queue requests
      numCallsInGeneralQueue - Number of RPC queue requests
      hlogFileCount - Number of WAL files
      hlogFileSize Bytes WAL file size
      memStoreSize MB Memstore size
      storeCount - Number of stores
      storeFileCount - Number of Storefiles
      storeFileSize MB Storefile size
      flushedCellsSize Bytes/s Disk write rate
      Append_mean ms Average delay
      Replay_mean ms Average delay
      Get_mean ms Average delay
      updatesBlockedTime ms Average delay
      FlushTime_num_ops - Number of RS disk writes
      splitQueueLength - Number of operation queue requests
      compactionQueueLength - Number of operation queue requests
      flushQueueLength - Number of operation queue requests
      Replay_num_ops - Number of Replay operations
      slowAppendCount - Number of slow operations
      slowDeleteCount - Number of slow operations
      slowGetCount - Number of slow operations
      slowIncrementCount - Number of slow operations
      slowPutCount - Number of slow operations
      splitRequestCount - Split requests
      splitSuccessCount - Split requests
      blockCacheCount - Number of cache blocks
      blockCacheHitCount - Number of cache blocks
      blockCacheMissCount - Number of cache blocks
      blockCacheExpressHitPercent % Cache read hit rate
      blockCacheSize Byte Memory size used by cache block
      staticBloomSize Bytes Index size
      staticIndexSize Bytes Index size
      storeFileIndexSize Bytes Index size
      receivedBytes Bytes/s Read/write traffic
      sentBytes Bytes/s Read/write traffic
      Total Requests/s Number of read/write requests
      Read Requests/s Number of read/write requests
      Write Requests/s Number of read/write requests
      Append_num_ops Requests/s Number of read/write requests
      mutationsWithoutWALCount - Number of mutations
      mutationsWithoutWALSize Bytes Mutation size
      regionServerStartTime s Process start time
      99th_percentile ms 99% request processing latency
      99.9th_percentile ms 99.9% request processing latency
      99th_percentile ms 99% request queueing latency
      99.9th_percentile ms 99.9% request queueing latency
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