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Basic Cloud Monitor
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    EMR (HDFS)

    Last updated: 2020-07-28 16:16:57
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      ## Namespace

      Namespace=QCE/TXMR_HDFS

      Monitoring Metrics

      EMR (HDFS) provides the following metrics: HDFS - Overview, HDFS - OverviewAggregation, HDFS - NameNode, HDFS - DataNode, HDFS - Journal Node, and HDFS - ZKFC.

      For more information on the parameters in each dimension, please see Overview of the Parameters in Each Dimension.

      HDFS - Overview

      Parameter Metric Name Unit Description Dimension
      EmrHdfsOverview
      HdfsNnBlockCapacityTotal      		 Cluster storage capacity_CapacityTotal GB Total cluster storage capacity host4hdfsoverview,
      id4hdfsoverview
      EmrHdfsOverview
      HdfsNnBlockCapacityUsed      		 Cluster storage capacity_CapacityUsed GB Used cluster storage capacity host4hdfsoverview,
      id4hdfsoverview
      EmrHdfsOverview
      HdfsNnBlockCapacityRemaining      		 Cluster storage capacity_CapacityRemaining GB Remaining cluster storage capacity host4hdfsoverview,
      id4hdfsoverview
      EmrHdfsOverview
      HdfsNnBlockCapacity
      UsedNonDFS      		 Cluster storage capacity_CapacityUsedNonDFS GB Non-HDFS used cluster capacity host4hdfsoverview,
      id4hdfsoverview
      EmrHdfsOverview
      HdfsNnBlockTotalLoad      		 Cluster load_TotalLoad Count Number of current connections host4hdfsoverview,
      id4hdfsoverview
      EmrHdfsOverview
      HdfsNnBlockFilesTotal      		 Total number of cluster files_FilesTotal Count Total number of files host4hdfsoverview,
      id4hdfsoverview
      EmrHdfsOverview
      HdfsNnBlockBlockstotal      		 Number of blocks_BlocksTotal Count Total number of blocks host4hdfsoverview,
      id4hdfsoverview
      EmrHdfsOverview
      HdfsNnBlockPending
      ReplicationBlocks      		 Number of blocks_PendingReplicationBlocks Count Number of blocks waiting to be backed up host4hdfsoverview,
      id4hdfsoverview
      EmrHdfsOverview
      HdfsNnBlockUnder
      ReplicatedBlocks      		 Number of blocks_UnderReplicatedBlocks Count Number of blocks with insufficient replicas host4hdfsoverview,
      id4hdfsoverview
      EmrHdfsOverview
      HdfsNnBlockBlocksCorruptblocks      		 Number of blocks_CorruptBlocks Count Number of corrupted blocks host4hdfsoverview,
      id4hdfsoverview
      EmrHdfsOverview
      HdfsNnBlockScheduled
      ReplicationBlocks      		 Number of blocks_ScheduledReplicationBlocks Count Number of blocks arranged for backup host4hdfsoverview,
      id4hdfsoverview
      EmrHdfsOverview
      HdfsNnBlockPending
      DeletionBlocks      		 Number of blocks_PendingDeletionBlocks Count Number of blocks waiting to be deleted host4hdfsoverview,
      id4hdfsoverview
      EmrHdfsOverview
      HdfsNnBlockCorruptblocks      		 Number of blocks_CorruptBlocks Count Number of excessive blocks host4hdfsoverview,
      id4hdfsoverview
      EmrHdfsOverview
      HdfsNnBlockPostponed
      MisreplicatedBlocks      		 Number of blocks_PostponedMisreplicatedBlocks Count Number of blocks with exceptions that were postponed to be processed host4hdfsoverview,
      id4hdfsoverview
      EmrHdfsOverview
      HdfsNnBlockBlockCapacity      		 Capacity of blocks_BlockCapacity Count Capacity of blocks host4hdfsoverview,
      id4hdfsoverview
      EmrHdfsOverview
      HdfsNnBlockNumLiveDataNodes      		 Cluster DataNodes_NumLiveDataNodes Count Number of live DataNodes host4hdfsoverview,
      id4hdfsoverview
      EmrHdfsOverview
      HdfsNnBlockNumDeadDataNodes      		 Cluster DataNodes_NumDeadDataNodes Count Number of DataNodes marked as dead host4hdfsoverview,
      id4hdfsoverview
      EmrHdfsOverview
      HdfsNnBlockNum
      DecomLiveDataNodes      		 Cluster DataNodes_NumDecomLiveDataNodes Count Number of decommissioned live nodes host4hdfsoverview,
      id4hdfsoverview
      EmrHdfsOverview
      HdfsNnBlockNum
      DecomDeadDataNodes      		 Cluster DataNodes_NumDecomDeadDataNodes Count Number of decommissioned dead nodes host4hdfsoverview,
      id4hdfsoverview
      EmrHdfsOverview
      HdfsNnBlockNum
      DecommissioningDataNodes      		 Cluster DataNodes_NumDecommissioningDataNodes Count Number of decommissioning nodes host4hdfsoverview,
      id4hdfsoverview
      EmrHdfsOverview
      HdfsNnBlockNum
      StaleDataNodes      		 Cluster DataNodes_NumStaleDataNodes Count Number of current DataNodes marked as expired due to heartbeat delay host4hdfsoverview,
      id4hdfsoverview
      EmrHdfsOverview
      HdfsNnBlockSnapshots      		 Snapshots_Snapshots Count Number of snapshots host4hdfsoverview,
      id4hdfsoverview
      EmrHdfsOverview
      HdfsNnBlockVolumeFailuresTotal      		 Disk failures_VolumeFailuresTotal Count Total number of failures on all DataNodes host4hdfsoverview,
      id4hdfsoverview

      HDFS - OverviewAggregation

      Parameter Metric Name Unit Description Dimension
      EmrHdfsOverview
      Aggregation
      HdfsNnBlockCapacityTotal      		 Cluster storage capacity_CapacityTotal GB Total cluster storage capacity id4hdfsoverview
      EmrHdfsOverview
      Aggregation
      HdfsNnBlockCapacityUsed      		 Cluster storage capacity_CapacityUsed GB Used cluster storage capacity id4hdfsoverview
      EmrHdfsOverview
      AggregationHdfsNn
      BlockCapacityRemaining      		 Cluster storage capacity_CapacityRemaining GB Remaining cluster storage capacity id4hdfsoverview
      EmrHdfsOverview
      AggregationHdfsNn
      BlockCapacity UsedNonDFS      		 Cluster storage capacity_CapacityUsedNonDFS GB Non-HDFS used cluster capacity id4hdfsoverview
      EmrHdfsOverview
      AggregationHdfsNn
      BlockTotalLoad      		 Cluster load_TotalLoad Count Number of current connections id4hdfsoverview
      EmrHdfsOverview
      AggregationHdfsNn
      BlockFilesTotal      		 Total number of cluster files_FilesTotal Count Total number of files id4hdfsoverview
      EmrHdfsOverview
      AggregationHdfsNn
      BlockBlockstotal      		 Number of blocks_BlocksTotal Count Total number of blocks id4hdfsoverview
      EmrHdfsOverview
      AggregationHdfsNn
      BlockPending ReplicationBlocks      		 Number of blocks_PendingReplicationBlocks Count Number of blocks waiting to be backed up id4hdfsoverview
      EmrHdfsOverview
      AggregationHdfsNn
      BlockUnder ReplicatedBlocks      		 Number of blocks_UnderReplicatedBlocks Count Number of blocks with insufficient replicas id4hdfsoverview
      EmrHdfsOverview
      AggregationHdfsNn
      BlockBlocksCorruptblocks      		 Number of blocks_CorruptBlocks Count Number of corrupted blocks id4hdfsoverview
      EmrHdfsOverview
      AggregationHdfsNn
      BlockScheduled ReplicationBlocks      		 Number of blocks_ScheduledReplicationBlocks Count Number of blocks arranged for backup id4hdfsoverview
      EmrHdfsOverview
      AggregationHdfsNn
      BlockPending DeletionBlocks      		 Number of blocks_PendingDeletionBlocks Count Number of blocks waiting to be deleted id4hdfsoverview
      EmrHdfsOverview
      AggregationHdfsNn
      BlockCorruptblocks      		 Number of blocks_CorruptBlocks Count Number of excessive blocks id4hdfsoverview
      EmrHdfsOverview
      AggregationHdfsNn
      BlockPostponed MisreplicatedBlocks      		 Number of blocks_PostponedMisreplicatedBlocks Count Number of blocks with exceptions that were postponed to be processed id4hdfsoverview
      EmrHdfsOverview
      AggregationHdfsNn
      BlockBlockCapacity      		 Capacity of blocks_BlockCapacity Count Capacity of blocks id4hdfsoverview
      EmrHdfsOverview
      AggregationHdfsNn
      BlockNumLiveDataNodes      		 Cluster DataNodes_NumLiveDataNodes Count Number of live DataNodes id4hdfsoverview
      EmrHdfsOverview
      AggregationHdfsNn
      BlockNumDeadDataNodes      		 Cluster DataNodes_NumDeadDataNodes Count Number of DataNodes marked as dead id4hdfsoverview
      EmrHdfsOverview
      AggregationHdfsNn
      BlockNum DecomLiveDataNodes      		 Cluster DataNodes_NumDecomLiveDataNodes Count Number of decommissioned live nodes id4hdfsoverview
      EmrHdfsOverview
      AggregationHdfsNn
      BlockNum DecomDeadDataNodes      		 Cluster DataNodes_NumDecomDeadDataNodes Count Number of decommissioned dead nodes id4hdfsoverview
      EmrHdfsOverview
      AggregationHdfsNn
      BlockNum DecommissioningDataNodes      		 Cluster DataNodes_NumDecommissioningDataNodes Count Number of decommissioning nodes id4hdfsoverview
      EmrHdfsOverview
      AggregationHdfsNn
      BlockNum StaleDataNodes      		 Cluster DataNodes_NumStaleDataNodes Count Number of current DataNodes marked as expired due to heartbeat delay id4hdfsoverview
      EmrHdfsOverview
      AggregationHdfsNn
      BlockSnapshots      		 Snapshots_Snapshots Count Number of snapshots id4hdfsoverview
      EmrHdfsOverview
      AggregationHdfsNn
      BlockVolumeFailuresTotal      		 Disk failures_VolumeFailuresTotal Count Total number of failures on all DataNodes id4hdfsoverview

      HDFS - NameNode

      Parameter Metric Name Unit Description Dimension
      HdfsNnPort4007RxtxReceivedbytes Data traffic_ReceivedBytes Bytes/s Data receiving rate host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnPort4007RxtxSentbytes Data traffic_SentBytes Bytes/s Data sending rate host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnPort4007Qps
      Rpcqueuetimenumops      		 QPS_RpcQueueTimeNumOps Calls/s RPC call rate host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnPort4007RtRpc
      queuetimeavgtime      		 Request processing delay
      _RpcQueueTimeAvgTime      		 ms Average RPC delay host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnPort4007AuthRpc
      authenticationfailures      		 Authentication and authorization
      _RpcAuthenticationFailure      		 Count Number of RPC authentication failures host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnPort4007AuthRpc
      authenticationsuccesses      		 Authentication and authorization
      _RpcAuthenticationSuccesses      		 Count Number of RPC authentication successes host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnPort4007AuthRpc
      authorizationfailures      		 Authentication and authorization
      _RpcAuthorizationFailures      		 Count Number of RPC authorization failures host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnPort4007AuthRpc
      authorizationsuccesses      		 Authentication and authorization
      _RpcAuthorizationSuccesses      		 Count Number of RPC authorization successes host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnPort4007Connections
      Numopenconnections      		 Number of current connections
      _NumOpenConnections      		 Count Number of current connections host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnPort4007Queue
      LenCallqueuelength      		 RPC processing queue length
      _CallQueueLength      		 Count Length of current RPC processing queue host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnJvmMemMemnonheapusedm JVM memory
      _MemNonHeapUsedM      		 MB Size of the NonHeapMemory currently used by JVM host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnJvmMemMemnon
      heapcommittedm      		 JVM memory
      _MemNonHeapCommittedM      		 MB JVM memory host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnJvmMemMemheapusedm JVM memory
      _MemHeapUsedM      		 MB Size of the HeapMemory currently used by JVM host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnJvmMem
      Memheapcommittedm      		 JVM memory
      _MemHeapCommittedM      		 MB Size of the HeapMemory committed by JVM host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnJvmMemMemheapmaxm JVM memory_MemHeapMaxM MB Size of the HeapMemory configured by JVM host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnJvmMemMemmaxm JVM memory_MemMaxM MB Maximum memory size that can be used by JVM during runtime host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnBlockReportRt
      Blockreportavgtime      		 Block reporting delay
      _BlockReportAvgTime      		 Blocks/s Average delay in processing DataNode blocks per second host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnGcUtilGcCountFgc GC count_FGC Operations/s Full GC count host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnGcUtilGcCountYgc GC count_YGC 2 operations/s Young GC count host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnGcUtilGcTimeYgct GC time_YGCT ms Time consumed by Young GC host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnGcUtilGcTimeFgct GC time_FGCT ms Time consumed by Full GC host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnGcUtilGcTimeGct GC time_GCT ms Time used to collect garbage host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnJvmJavaThreadsThreadsnew Number of JVM threads
      _ThreadsNew      		 Count Number of threads in the new state host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnJvmJavaThreads
      Threadsrunnable      		 Number of JVM threads
      _ThreadsRunnable      		 Count Number of threads in the runnable state host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnJvmJavaThreads
      Threadsblocked      		 Number of JVM threads
      _ThreadsBlocked      		 Count Number of threads in the blocked state host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnJvmJavaThreads
      Threadswaiting      		 Number of JVM threads
      _ThreadsWaiting      		 Count Number of threads in the WAITING state host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnJvmJavaThreads
      Threadstimedwaiting      		 Number of JVM threads
      _ThreadsTimedWaiting      		 Count Number of threads in the TIMED WAITING state host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnJvmJavaThreads
      Threadsterminated      		 Number of JVM threads
      _ThreadsTerminated      		 Count Number of threads in the Terminated state host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnJvmLogTotalLogfatal Number of JVM logs_LogFatal Count Number of Fatal logs host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnJvmLogTotalLogerror Number of JVM logs_LogError Count Number of Error logs host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnJvmLogTotalLogwarn Number of JVM logs_LogWarn Count Number of Warn logs host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnJvmLogTotalLoginfo Number of JVM logs_LogInfo Count Number of Info logs host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnGcUtilMemoryS0 Memory space percentage_S0 % Percentage of used Survivor 0 memory host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnGcUtilMemoryS1 Memory space percentage_S1 % Percentage of used Survivor 1 memory host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnGcUtilMemoryE Memory space percentage_E % Percentage of used Eden memory host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnGcUtilMemoryO Memory space percentage_O % Percentage of used Old memory host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnGcUtilMemoryM Memory space percentage_M % Percentage of used Metaspace memory host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnGcUtilMemoryCcs Memory space percentage_CCS % Percentage of memory used by compressed class space host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnStaleStorages
      CountNumstalestorages      		 Number of storages marked as expired
      _NumStaleStorages      		 Count Number of current DataNodes marked as expired due to heartbeat delay host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnPendingDatanodeMessage
      CountPendingdatanode
      messagecount      		 Number of pending block operation messages on the standby NameNode
      _PendingDataNode
      MessageCount      		 Requests/s Number of DataNode requests queued on the standby NameNode host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnBlocksMissingNum
      berofmissingblocks      		 Total number of missing blocks
      _NumberOfMissingBlocks      		 Count Number of missing data blocks host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnBlocksMissingNumberof
      missingblockswithreplication
      factorOne      		 Total number of missing blocks_NumberOf
      MissingBlocksWithReplication
      FactorOne      		 Count Number of missing blocks (rf = 1) host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnSnapshotOpsAllowsnapshotops Snapshot operations
      _AllowSnapshotOps      		 Operations/s Number of AllowSnapshot operations executed per second host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnSnapshotOps
      Disallowsnapshotops      		 Snapshot operations
      _DisallowSnapshotOps      		 Operations/s Number of DisallowSnapshot operations executed per second host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnSnapshotOps
      Createsnapshotops      		 Snapshot operations
      _CreateSnapshotOps      		 Operations/s Number of CreateSnapshot operations executed per second host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnSnapshotOps
      Deletesnapshotops      		 Snapshot operations
      _DeleteSnapshotOps      		 Operations/s Number of DeleteSnapshot operations executed per second host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnSnapshotOps
      Listsnapshottabledirops      		 Snapshot operations_ListSnapshottableDirOps Operations/s Number of ListSnapshottableDir operations executed per second host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnSnapshotOps
      Snapshotdiffreportops      		 Snapshot operations_SnapshotDiffReportOps Operations/s Number of SnapshotDiffReportOps operations executed per second host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnSnapshotOps
      Renamesnapshotops      		 Snapshot operations_RenameSnapshotOps Operations/s Number of RenameSnapshotOps operations executed per second host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnFilesOpsCreatefileops File operations_CreateFileOps Operations/s Number of CreateFile operations executed per second host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnFilesOpsGetlistingops File operations_GetListingOps Operations/s Number of GetListing operations executed per second host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnFilesOpsTotalfileops File operations_TotalFileOps Operations/s Number of TotalFileOps operations executed per second host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnFilesOpsDeletefileops File operations_DeleteFileOps Operations/s Number of DeleteFile operations executed per second host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnFilesOpsFileinfoops File operations_FileInfoOps Operations/s Number of FileInfo operations executed per second host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnFilesOpsGetadditional
      datanodeops      		 File operations
      _GetAdditionalDatanodeOps      		 Operations/s Number of GetAdditionalDatanode operations executed per second host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnFilesOpsCreatesymlinkops File operations_CreateSymlinkOps Operations/s Number of CreateSymlink operations executed per second host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnFilesOpsGetlinktargetops File operations_GetLinkTargetOps Operations/s Number of GetLinkTarget operations executed per second host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnFilesOpsFilesingetlistingops File operations
      _FilesInGetListingOps      		 Operations/s Number of FilesInGetListing operations executed per second host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnTransactionOps
      Transactionsnumops      		 Transaction operations
      _TransactionsNumOps      		 Operations/s Number of Journal transaction operations processed per second host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnTransactionOps
      Transactionsbatchedinsync      		 Transaction operations
      _TransactionsBatchedInSync      		 Operations/s Number of Journal transaction operations processed in batches per second host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnImageOpsGeteditnumops Image operations_GetEditNumOps Operations/s Number of GetEditNumOps operations executed per second host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnImageOpsGetimagenumops Image operations_GetImageNumOps Operations/s Number of GetImageNumOps operations executed per second host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnImageOpsPutimagenumops Image operations_PutImageNumOps Operations/s Number of PutImageNumOps operations executed per second host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnSyncsOpsSyncsnumops Sync operations_SyncsNumOps Operations/s Number of Journal syncs operations processed per second host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnBlocksOpsBlock
      receivedanddeletedops      		 Data block operations
      _BlockOpsQueued      		 Operations/s Number of BlockReceivedAndDeletedOps operations executed per second host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnBlocksOpsBlockopsqueued Data block operations
      _BlockOpsQueued      		 Operations/s Delay in processing DataNode block reporting operations host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnCacheReportOps
      Cachereportnumops      		 Cache reporting
      _CacheReportNumOps      		 Operations/s Number of CacheReport operations processed per second host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnBlockReportOps
      Blockreportnumops      		 Block reporting
      _BlockReportNumOps      		 Operations/s Number of DataNode block reporting operations processed per second host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnSyncsRtSyncsavgtime Sync operation delay_SyncsAvgTime ms Average delay in processing Journal syncs operations host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnCacheReportRt
      Cachereportavgtime      		 Cache reporting delay_CacheReportAvgTime ms Average delay in cache reporting operations host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnImageRtGeteditavgtime Image operation delay
      _GetEditAvgTime      		 ms Average delay in reading the Edit file host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnImageRtGetimageavgtime Image operation delay
      _GetImageAvgTime      		 ms Average delay in reading the image file host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnImageRtPutimageavgtime Image operation delay
      _PutImageAvgTime      		 ms Average delay in writing the image file host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnTransactionRt
      Transactionsavgtime      		 Transaction operation delay
      _TransactionsAvgTime      		 ms Average delay in processing Journal transaction operations host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnStartTimeStarttime Start time_StartTime ms Process start time host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnStateState Primary/secondary status_State - NN status host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnThreadCountPeakthreadcount Number of threads_PeakThreadCount Count Peak number of threads host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnThreadCountThreadcount Number of threads_ThreadCount Count Number of threads host4hdfsnamenode,
      id4hdfsnamenode
      HdfsNnThreadCount
      Daemonthreadcount      		 Number of threads_DaemonThreadCount Count Number of background threads host4hdfsnamenode,
      id4hdfsnamenode

      HDFS - DataNode

      Parameter Metric Name Unit Description Dimension
      HdfsDnXceiverXceivercount Number of Xceivers_XceiverCount Xceivers Number of Xceivers id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnBytesByteswrittenmb Data read/write rate_BytesReadMB Bytes/s DN byte write rate id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnBytesBytesreadmb Data read/write rate_BytesReadMB Bytes/s DN byte read rate id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnBytesRemotebytesreadmb Data read/write rate
      _RemoteBytesReadMB      		 Bytes/s Rate of bytes read by the remote client id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnBytesRemoteby
      teswrittenmb      		 Data read/write rate
      _RemoteBytesWrittenMB      		 Bytes/s Rate of bytes written by the remote client id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnClientWritesfrom
      remoteclient      		 Number of client connections
      _WritesFromRemoteClient      		 Count QPS of write operations from the remote client id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnClientWritesfromlocalclient Number of client connections
      _WritesFromLocalClient      		 Count OPS of write operations from the local client id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnClientReadsfrom
      remoteclient      		 Number of client connections
      _ReadsFromRemoteClient      		 Count QPS of read operations from the remote client id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnClientReadsfromlocalclient Number of client connections
      _ReadsFromLocalClient      		 Count QPS of read operations from the local client id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnBlocksVerifiedFailures
      Blockverificationfailures      		 Block check failure
      _BlockVerificationFailures      		 Failures/s Number of block check failures id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnVolumeFailures
      Volumefailures      		 Disk failures_VolumeFailures Failures/s Number of disk failures id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnNetworkErrors
      Datanodenetworkerrors      		 Network errors
      _DatanodeNetworkErrors      		 Errors/s Total number of network errors id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnHbRtHeartbeatsavgtime Heartbeat delay_HeartbeatsAvgTime ms Average heartbeat API time id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnHbOpsHeartbeatsnumops Heartbeat QPS_HeartbeatsNumOps Heartbeats/s Heartbeat API QPS id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnDatapacketAvgtimeSend
      datapackettransfer
      nanosavgtime      		 Packet transfer operations
      QPS_SendDataPacketTransfer
      NanosAvgTime      		 ms Average data packet sending time id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnBlocksOpsRead
      blockopnumops      		 Data block operations
      _ReadBlockOpNumOps      		 Operations/s OPS of block reads from the DataNode id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnBlocksOpsWrite
      blockopnumops      		 Data block operations
      _WriteBlockOpNumOps      		 Operations/s OPS of block writes to the DataNode id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnBlocksOpsBlock
      checksumopnumops      		 Data block operations
      _BlockChecksumOpNumOps      		 Operations/s OPS of Checksum operations by the DataNode id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnBlocksOpsCopy
      blockopnumops      		 Data block operations
      _CopyBlockOpNumOps      		 Operations/s OPS of block copying operations id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnBlocksOpsReplace
      blockopnumops      		 Data block operations
      _ReplaceBlockOpNumOps      		 Operations/s OPS of Replace Block operations id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnBlocksOpsBlock
      reportsnumops      		 Data block operations
      _BlockReportsNumOps      		 Operations/s OPS of block reporting operations id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnBlocksOpsIncremental
      blockreports
      numops      		 Data block operations
      _IncrementalBlockReports
      NumOps      		 Operations/s OPS of incremental block reporting id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnBlocksOpsCache
      reportsnumops      		 Data block operations
      _CacheReportsNumOps      		 Operations/s OPS of cache reporting id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnBlocksOpsPacketack
      roundtriptimenanos
      numops      		 Data block operations
      _PacketAckRoundTripTimeNanos
      NumOps      		 Operations/s Number of ACK ROUND TRIP operations processed per second id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnFsyncOpsFsync
      nanosnumops      		 Fsync operations
      _FsyncNanosNumOps      		 Operations/s Number of Fsync operations id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnFlushOpsFlush
      nanosnumops      		 Flush operations
      _FlushNanosNumOps      		 Operations/s Number of Flush operations processed per second id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnBlocksRtRead
      blockopavgtime      		 Data block operation delay
      _ReadBlockOpAvgTime      		 ms Average block read time id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnBlocksRtWrite
      blockopavgtime      		 Data block operation delay
      _ReplaceBlockOpAvgTime      		 ms Average block write time id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnBlocksRtBlock
      checksumopavgtime      		 Data block operation delay_BlockChecksumOpAvgTime ms Average block check time id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnBlocksRtCopy
      blockopavgtime      		 Data block operation delay
      _CopyBlockOpAvgTime      		 ms Average block copy time id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnBlocksRt
      Replaceblockopavgtime      		 Data block operation delay
      _Replaceblockopavgtime      		 ms Average Replace Block operation time id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnBlocksRtBlock
      reportsavgtime      		 Data block operation delay
      _BlockReportsAvgTime      		 ms Average block reporting time id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnBlocksRtIncremental
      blockreportsavgtime      		 Data block operation delay
      _IncrementalBlockReportsAvgTime      		 ms Average time of incremental block reporting id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnBlocksRtCache
      reportsavgtime      		 Data block operation delay
      _CacheReportsAvgTime      		 ms Average time of cache reporting id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnBlocksRtPacketack
      roundtriptimenanos
      avgtime      		 Data block operation delay
      _PacketAckRoundTripTimeNanos
      AvgTime      		 ms Average time of processing ACK ROUND TRIP id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnFlushRtFlushnanosavgtime Flush delay_FlushNanosAvgTime ms Average Flush operation time id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnFsyncRtFsyncnanosavgtime Fsync delay_FsyncNanosAvgTime ms Average Fsync operation time id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnRamBlocksOp
      Ramdiskblockswrite      		 RAMDISKBlocks_Ram
      DiskBlocksWrite      		 Blocks/s Total number of blocks written to the memory id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnRamBlocksOp
      Ramdiskblockswritefallback      		 RAMDISKBlocks_Ram
      DiskBlocksWriteFallback      		 Blocks/s Total number of blocks failed to be written to the memory (failover to the disk) id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnRamBlocksOpRamdisk
      blocksdeletedbeforelazypersisted      		 RAMDISKBlocks_RamDiskBlocks
      DeletedBeforeLazyPersisted      		 Blocks/s Total number of blocks deleted before the application is saved to the disk id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnRamBlocksOp
      Ramdiskblocksreadhits      		 RAMDISKBlocks_Ram
      DiskBlocksReadHits      		 Blocks/s Total number of reads from the blocks in the memory id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnRamBlocksOp
      Ramdiskblocksevicted      		 RAMDISKBlocks_Ram
      DiskBlocksEvicted      		 Blocks/s Total number of blocks cleared in the memory id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnRamBlocksOpRamdisk
      blocksevictedwithoutread      		 RAMDISKBlocks_RamDiskBlocks
      EvictedWithoutRead      		 Blocks/s Total number of blocks retrieved from the memory id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnRamBlocksOp
      Ramdiskblockslazypersisted      		 RAMDISKBlocks_RamDisk
      BlocksLazyPersisted      		 Blocks/s Number of disk writes by the lazy writer id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnRamBlocksOp
      Ramdiskbyteslazypersisted      		 RAMDISKBlocks_Ram
      DiskBytesLazyPersisted      		 Bytes/s Total number of bytes written to the disk by the lazy writer id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnRamBlocksBytes
      Ramdiskbyteswrite      		 RAM Disk write speed_RamDiskBytesWrite Bytes/s Total number of bytes written to the memory id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnJvmMem
      Memnonheapusedm      		 JVM memory
      _MemNonHeapUsedM      		 MB Size of the NonHeapMemory currently used by JVM id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnJvmMem
      Memnonheapcommittedm      		 JVM memory
      _MemNonHeapCommittedM      		 MB Size of the NonHeapCommittedM configured by JVM id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnJvmMemMemheapusedm JVM memory
      _MemHeapUsedM      		 MB Size of the HeapMemory currently used by JVM id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnJvmMem
      Memheapcommittedm      		 JVM memory
      _MemHeapCommittedM      		 MB Size of the HeapMemory committed by JVM id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnJvmMemMemheapmaxm JVM memory
      _MemHeapMaxM      		 MB Size of the HeapMemory configured by JVM id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnJvmMemMemmaxm JVM memory
      _MemMaxM      		 MB Maximum memory size that can be used by JVM during runtime id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnJvmJavaThreadsThreadsnew Number of JVM threads
      _ThreadsNew      		 Count Number of threads in the new state id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnJvmJavaThreads
      Threadsrunnable      		 Number of JVM threads
      _ThreadsRunnable      		 Count Number of threads in the runnable state id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnJvmJavaThreads
      Threadsblocked      		 Number of JVM threads
      _ThreadsBlocked      		 Count Number of threads in the blocked state id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnJvmJavaThreads
      Threadswaiting      		 Number of JVM threads
      _ThreadsWaiting      		 Count Number of threads in the WAITING state id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnJvmJavaThreads
      Threadstimedwaiting      		 Number of JVM threads
      _ThreadsTimedWaiting      		 Count Number of threads in the TIMED WAITING state id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnJvmJavaThreads
      Threadsterminated      		 Number of JVM threads
      _ThreadsTerminated      		 Count Number of threads in the Terminated state id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnJvmLogTotalLogfatal Number of JVM logs_LogFatal Count Number of Fatal logs id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnJvmLogTotalLogerror Number of JVM logs_LogError Count Number of Error logs id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnJvmLogTotalLogwarn Number of JVM logs_LogWarn Count Number of Warn logs id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnJvmLogTotalLoginfo Number of JVM logs_LogInfo Count Number of Info logs id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnGcUtilMemoryS0 Memory space percentage_S0 % Percentage of used Survivor 0 memory id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnGcUtilMemoryS1 Memory space percentage_S1 % Percentage of used Survivor 1 memory id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnGcUtilMemoryE Memory space percentage_E % Percentage of used Eden memory id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnGcUtilMemoryO Memory space percentage_O % Percentage of used Old memory id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnGcUtilMemoryM Memory space percentage_M % Percentage of used Metaspace memory id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnGcUtilMemoryCcs Memory space percentage_CCS % Percentage of memory used by compressed class space id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnGcUtilGcCountFgc GC count_FGC Count Full GC count id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnGcUtilGcCountYgc GC count_YGC Count Young GC count id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnGcUtilGcTimeYgct GC time_YGCT s Time consumed by Young GC id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnGcUtilGcTimeFgct GC time_FGCT s Time consumed by Full GC id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnGcUtilGcTimeGct GC time_GCT s Time used to collect garbage id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnPort4004RxtxReceivedbytes Data traffic_ReceivedBytes Bytes/s Data receiving rate id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnPort4004RxtxSentbytes Data traffic_SentBytes Bytes/s Data sending rate id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnPort4004QpsRpc
      queuetimenumops      		 QPS_RpcQueueTimeNumOps Queries/s RPC call rate id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnPort4004RtRpc
      queuetimeavgtime      		 Request processing delay
      _RpcQueueTimeAvgTime      		 ms Average RPC delay id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnPort4004AuthRpc
      authenticationfailures      		 Authentication and authorization
      _RpcAuthenticationFailures      		 Failures/s Number of RPC authentication failures id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnPort4004AuthRpc
      authenticationsuccesses      		 Authentication and authorization
      _RpcAuthenticationSuccesses      		 Successes/s Number of RPC authentication successes id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnPort4004AuthRpc
      authorizationfailures      		 Authentication and authorization
      _RpcAuthorizationFailures      		 Failures/s Number of RPC authorization failures id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnPort4004AuthRpc
      authorizationsuccesses      		 Authentication and authorization
      _RpcAuthorizationSuccesses      		 Successes/s Number RPC authorization successes id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnPort4004Connections
      Numopenconnections      		 Number of current connections
      _NumOpenConnections      		 Count Number of current connections id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnPort4004QueueLen
      Callqueuelength      		 RPC processing queue length
      _CallQueueLength      		 Count Length of the current RPC processing queue id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnThreadTimeCurrent
      threadcputime      		 CPU time
      _CurrentThreadCpuTime      		 ms CPU time id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnThreadTimeCurrent
      threadusertime      		 CPU time
      _CurrentThreadUserTime      		 ms User time id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnStartTimeStarttime Start time_StartTime s Process start time id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnThreadCount
      Peakthreadcount      		 Number of threads_PeakThreadCount Count Peak number of threads id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnThreadCount
      Daemonthreadcount      		 Number of threads_DaemonThreadCount Count Number of background threads id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnRtWrit Read/write delay_Write MB/s Disk write rate id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnRtRead Read/write delay_Read Queries/s Read QPS id4hdfsdatanode,
      host4hdfsdatanode
      HdfsDnDatapacketOps
      Datapacketops      		 Packet transfer QPS_DataPacketOps Queries/s Packet transfer QPS id4hdfsdatanode,
      host4hdfsdatanode

      HDFS - Journal Node

      Parameter Metric Name Unit Description Dimension
      HdfsJnJvmMemMemnon
      heapusedm      		 JVM memory_MemNonHeapUsedM MB Size of the NonHeapMemory currently used by JVM host4hdfsjournalnode,
      id4hdfsjournalnode
      HdfsJnJvmMemMemnon
      heapcommittedm      		 JVM memory_MemNonHeapCommittedM MB JVM memory host4hdfsjournalnode,
      id4hdfsjournalnode
      HdfsJnJvmMemMem
      heapusedm      		 JVM memory_MemHeapUsedM MB Size of the HeapMemory currently used by JVM host4hdfsjournalnode,
      id4hdfsjournalnode
      HdfsJnJvmMemMem
      heapcommittedm      		 JVM memory_MemHeapCommittedM MB Size of the HeapMemory committed by JVM host4hdfsjournalnode,
      id4hdfsjournalnode
      HdfsJnJvmMemMem
      heapmaxm      		 JVM memory_MemHeapMaxM MB Size of the HeapMemory configured by JVM host4hdfsjournalnode,
      id4hdfsjournalnode
      HdfsJnJvmMemMemmaxm JVM memory_MemMaxM MB Maximum memory size that can be used by JVM during runtime host4hdfsjournalnode,
      id4hdfsjournalnode
      HdfsJnJvmJavaThreads
      Threadsnew      		 Number of JVM threads_ThreadsNew Count Number of threads in the new state host4hdfsjournalnode,
      id4hdfsjournalnode
      HdfsJnJvmJavaThreads
      Threadsrunnable      		 Number of JVM threads_ThreadsRunnable Count Number of threads in the runnable state host4hdfsjournalnode,
      id4hdfsjournalnode
      HdfsJnJvmJavaThreads
      Threadsblocked      		 Number of JVM threads_ThreadsBlocked Count Number of threads in the blocked state host4hdfsjournalnode,
      id4hdfsjournalnode
      HdfsJnJvmJavaThreads
      Threadswaiting      		 Number of JVM threads_ThreadsWaiting Count Number of threads in the WAITING state host4hdfsjournalnode,
      id4hdfsjournalnode
      HdfsJnJvmJavaThreads
      Threadstimedwaiting      		 Number of JVM threads_ThreadsTimedWaiting Count Number of threads in the TIMED WAITING state host4hdfsjournalnode,
      id4hdfsjournalnode
      HdfsJnJvmJavaThreads
      Threadsterminated      		 Number of JVM threads_ThreadsTerminated Count Number of threads in the Terminated state host4hdfsjournalnode,
      id4hdfsjournalnode
      HdfsJnJvmLogTotalLogfatal Number of JVM logs_LogFatal Count Number of Fatal logs host4hdfsjournalnode,
      id4hdfsjournalnode
      HdfsJnJvmLogTotalLogerror Number of JVM logs_LogError Count Number of Error logs host4hdfsjournalnode,
      id4hdfsjournalnode
      HdfsJnJvmLogTotalLogwarn Number of JVM logs_LogWarn Count Number of Warn logs host4hdfsjournalnode,
      id4hdfsjournalnode
      HdfsJnJvmLogTotalLoginfo Number of JVM logs_LogInfo Count Number of Info logs host4hdfsjournalnode,
      id4hdfsjournalnode
      HdfsJnGcUtilMemoryS0 Memory space percentage_S0 % Percentage of used Survivor 0 memory host4hdfsjournalnode,
      id4hdfsjournalnode
      HdfsJnGcUtilMemoryS1 Memory space percentage_S1 % Percentage of used Survivor 1 memory host4hdfsjournalnode,
      id4hdfsjournalnode
      HdfsJnGcUtilMemoryE Memory space percentage_E % Percentage of used Eden memory host4hdfsjournalnode,
      id4hdfsjournalnode
      HdfsJnGcUtilMemoryO Memory space percentage_O % Percentage of used Old memory host4hdfsjournalnode,
      id4hdfsjournalnode
      HdfsJnGcUtilMemoryM Memory space percentage_M % Percentage of used Metaspace memory host4hdfsjournalnode,
      id4hdfsjournalnode
      HdfsJnGcUtilMemoryCcs Memory space percentage_CCS % Percentage of memory used by compressed class space host4hdfsjournalnode,
      id4hdfsjournalnode
      HdfsJnGcUtilGcCountFgc GC count_FGC Count Full GC count host4hdfsjournalnode,
      id4hdfsjournalnode
      HdfsJnGcUtilGcCountYgc GC count_YGC Count Young GC count host4hdfsjournalnode,
      id4hdfsjournalnode
      HdfsJnGcUtilGcTimeYgct GC time_YGCT s Time consumed by Young GC host4hdfsjournalnode,
      id4hdfsjournalnode
      HdfsJnGcUtilGcTimeFgct GC time_FGCT s Time consumed by Full GC host4hdfsjournalnode,
      id4hdfsjournalnode
      HdfsJnGcUtilGcTimeGct GC time_GC s Time used to collect garbage host4hdfsjournalnode,
      id4hdfsjournalnode
      HdfsJnPort4005Rxtx
      Receivedbytes      		 Data traffic_ReceivedBytes Bytes/s Data receiving rate host4hdfsjournalnode,
      id4hdfsjournalnode
      HdfsJnPort4005Rxtx
      Receivedbytes      		 Data traffic_ReceivedBytes Bytes/s Data sending rate host4hdfsjournalnode,
      id4hdfsjournalnode
      HdfsJnPort4005QpsRpc
      queuetimenumops      		 QPS_RpcQueueTimeNumOps Queries/s RPC call rate host4hdfsjournalnode,
      id4hdfsjournalnode
      HdfsJnPort4005RtRpc
      queuetimeavgtime      		 Request processing delay_RpcQueueTimeAvgTime ms Average RPC delay host4hdfsjournalnode,
      id4hdfsjournalnode
      HdfsJnPort4005AuthRpc
      authenticationfailures      		 Authentication and authorization_RpcAuthenticationFailures Failures/s Number of RPC authentication failures host4hdfsjournalnode,
      id4hdfsjournalnode
      HdfsJnPort4005AuthRpc
      authorizationsuccesses      		 Authentication and authorization_RpcAuthorizationSuccesses Successes/s Number of RPC authorization successes host4hdfsjournalnode,
      id4hdfsjournalnode
      HdfsJnPort4005AuthRpc
      authenticationsuccesses      		 Authentication and authorization_RpcAuthenticationSuccesses Successes/s Number of RPC authentication successes host4hdfsjournalnode,
      id4hdfsjournalnode
      HdfsJnPort4005AuthRpc
      authorizationfailures      		 Authentication and authorization_RpcAuthorizationFailures Failures/s Number of RPC authorization failures host4hdfsjournalnode,
      id4hdfsjournalnode
      HdfsJnPort4005Connections
      Numopenconnections      		 Number of current connections_NumOpenConnections Count Number of current connections host4hdfsjournalnode,
      id4hdfsjournalnode
      HdfsJnPort4005QueueLen
      Callqueuelength      		 RPC processing queue length_CallQueueLength Count Length of the current RPC processing queue host4hdfsjournalnode,
      id4hdfsjournalnode
      HdfsJnThreadTimeCurrent
      threadcputime      		 CPU time_CurrentThreadCpuTime ms CPU time host4hdfsjournalnode,
      id4hdfsjournalnode
      HdfsJnThreadTimeCurrent
      threadusertime      		 CPU time_CurrentThreadUserTime ms User time host4hdfsjournalnode,
      id4hdfsjournalnode
      HdfsJnStartTimeStarttime Start time_StartTime s Process start time host4hdfsjournalnode,
      id4hdfsjournalnode
      HdfsJnThreadCount
      Threadcount      		 Number of threads_ThreadCount Count Number of threads host4hdfsjournalnode,
      id4hdfsjournalnode
      HdfsJnThreadCount
      Peakthreadcount      		 Number of threads_PeakThreadCount Count Peak number of threads host4hdfsjournalnode,
      id4hdfsjournalnode
      HdfsJnThreadCountDaemon
      threadcount      		 Number of threads_DaemonThreadCount Count Number of background threads host4hdfsjournalnode,
      id4hdfsjournalnode

      HDFS - ZKFC

      Parameter Metric Name Unit Description Dimension
      HdfsDfzkGcUtilMemoryS0 Memory space percentage_S0 % Percentage of used Survivor 0 memory host4hdfszkfailovercontroller,
      id4hdfszkfailovercontroller
      HdfsDfzkGcUtilMemoryS1 Memory space percentage_S1 % Percentage of used Survivor 1 memory host4hdfszkfailovercontroller,
      id4hdfszkfailovercontroller
      HdfsDfzkGcUtilMemoryE Memory space percentage_E % Percentage of used Eden memory host4hdfszkfailovercontroller,
      id4hdfszkfailovercontroller
      HdfsDfzkGcUtilMemoryO Memory space percentage_O % Percentage of used Old memory host4hdfszkfailovercontroller,
      id4hdfszkfailovercontroller
      HdfsDfzkGcUtilMemoryM Memory space percentage_M % Percentage of used Metaspace memory host4hdfszkfailovercontroller,
      id4hdfszkfailovercontroller
      HdfsDfzkGcUtilMemoryCcs Memory space percentage_CCS % Percentage of memory used by compressed class space host4hdfszkfailovercontroller,
      id4hdfszkfailovercontroller
      HdfsDfzkGcUtilGcCountFgc GC count_FGC Count Full GC count host4hdfszkfailovercontroller,
      id4hdfszkfailovercontroller
      HdfsDfzkGcUtilGcCountYgc GC count_YGC Count Young GC count host4hdfszkfailovercontroller,
      id4hdfszkfailovercontroller
      HdfsDfzkGcUtilGcTimeYgct GC time_YGCT s Time consumed by Young GC host4hdfszkfailovercontroller,
      id4hdfszkfailovercontroller
      HdfsDfzkGcUtilGcTimeFgct GC time_FGCT s Time consumed by Full GC host4hdfszkfailovercontroller,
      id4hdfszkfailovercontroller
      HdfsDfzkGcUtilGcTimeGct GC time_GCT s Time used to collect garbage host4hdfszkfailovercontroller,
      id4hdfszkfailovercontroller

      The statistical granularity (period) may vary by metric. The DescribeBaseMetrics API can be used to obtain the period supported by each metric.

      Overview of the Parameters in Each Dimension

      Parameter Name Dimension Name Dimension Description Format
      Instances.N.Dimensions.0.Name id4hdfsoverview Dimension name of the EMR instance ID String-type dimension name, such as id4hdfsoverview
      Instances.N.Dimensions.0.Value id4hdfsoverview Specific EMR instance ID Specific EMR instance ID, such as emr-mm8bs222
      Instances.N.Dimensions.1.Name host4hdfsoverview Dimension name of the node IP in the EMR instance String-type dimension name, such as host4hdfsoverview
      Instances.N.Dimensions.1.Value host4hdfsoverview Specific node IP in the EMR instance Specific node IP, such as 1.1.1.1
      Instances.N.Dimensions.0.Name id4hdfsnamenode Dimension name of the EMR instance ID String-type dimension name, such as id4hdfsnamenode
      Instances.N.Dimensions.0.Value id4hdfsnamenode Specific EMR instance ID Specific EMR instance ID, such as emr-mm8bs222
      Instances.N.Dimensions.1.Name host4hdfsnamenode Dimension name of the node IP in the EMR instance String-type dimension name, such as host4hdfsnamenode
      Instances.N.Dimensions.1.Value host4hdfsnamenode Specific node IP in the EMR instance Specific node IP, such as 1.1.1.1
      Instances.N.Dimensions.0.Name id4hdfsdatanode Dimension name of the EMR instance ID String-type dimension name, such as id4hdfsdatanode
      Instances.N.Dimensions.0.Value id4hdfsdatanode Specific EMR instance ID Specific EMR instance ID, such as emr-mm8bs222
      Instances.N.Dimensions.1.Name host4hdfsdatanode Dimension name of the node IP in the EMR instance String-type dimension name, such as host4hdfsdatanode
      Instances.N.Dimensions.1.Value host4hdfsdatanode Specific node IP in the EMR instance Specific node IP, such as 1.1.1.1
      Instances.N.Dimensions.0.Name id4hdfsjournalnode Dimension name of the EMR instance ID String-type dimension name, such as id4hdfsjournalnode
      Instances.N.Dimensions.0.Value id4hdfsjournalnode Specific EMR instance ID Specific EMR instance ID, such as emr-mm8bs222
      Instances.N.Dimensions.1.Name host4hdfsjournalnode Dimension name of the node IP in the EMR instance String-type dimension name, such as host4hdfsjournalnode
      Instances.N.Dimensions.1.Value host4hdfsjournalnode Specific node IP in the EMR instance Specific node IP, such as 1.1.1.1
      Instances.N.Dimensions.0.Name id4hdfszkfailovercontroller Dimension name of the EMR instance ID String-type dimension name, such as id4hdfszkfailovercontroller
      Instances.N.Dimensions.0.Value id4hdfszkfailovercontroller Specific EMR instance ID Specific EMR instance ID, such as emr-mm8bs222
      Instances.N.Dimensions.1.Name host4hdfszkfailovercontroller Dimension name of the node IP in the EMR instance String-type dimension name, such as host4hdfszkfailovercontroller
      Instances.N.Dimensions.1.Value host4hdfszkfailovercontroller Specific node IP in the EMR instance Specific node IP, such as 1.1.1.1

      Input Parameters

      EMR (HDFS) supports querying monitoring data based on the following six combinations of dimensions. The values for the input parameters are as follows:

      1. To query the metric monitoring data of HDFS - OverviewAggregation, use the following input parameters:
      &Namespace=QCE/TXMR_HDFS
      &Instances.N.Dimensions.0.Name=id4hdfsoverview
      &Instances.N.Dimensions.0.Value=EMR instance ID

      2. To query the metric monitoring data of HDFS - Overview, use the following input parameters:
      &Namespace=QCE/TXMR_HDFS
      &Instances.N.Dimensions.0.Name=id4hdfsoverview
      &Instances.N.Dimensions.0.Value=EMR instance ID
      &Instances.N.Dimensions.1.Name=host4hdfsoverview
      &Instances.N.Dimensions.1.Value=Specific node IP in the EMR instance

      3. To query the metric monitoring data of HDFS - NameNode, use the following input parameters:
      &Namespace=QCE/TXMR_HDFS
      &Instances.N.Dimensions.0.Name=id4hdfsnamenode
      &Instances.N.Dimensions.0.Value=EMR instance ID
      &Instances.N.Dimensions.1.Name=host4hdfsnamenode
      &Instances.N.Dimensions.1.Value=Specific node IP in the EMR instance

      4. To query the metric monitoring data of HDFS - DataNode, use the following input parameters:
      &Namespace=QCE/TXMR_HDFS
      &Instances.N.Dimensions.0.Name=id4hdfsdatanode
      &Instances.N.Dimensions.0.Value=EMR instance ID
      &Instances.N.Dimensions.1.Name=host4hdfsdatanode
      &Instances.N.Dimensions.1.Value=Specific node IP in the EMR instance

      5. To query the metric monitoring data of HDFS - Journal Node, use the following input parameters:
      &Namespace=QCE/TXMR_HDFS
      &Instances.N.Dimensions.0.Name=id4hdfsjournalnode
      &Instances.N.Dimensions.0.Value=Specific EMR instance ID
      &Instances.N.Dimensions.1.Name=host4hdfsjournalnode
      &Instances.N.Dimensions.1.Value=Specific node IP in the EMR instance

      6. To query the metric monitoring data of HDFS - ZKFC, use the following input parameters:
      &Namespace=QCE/TXMR_HDFS
      &Instances.N.Dimensions.0.Name=id4hdfszkfailovercontroller
      &Instances.N.Dimensions.0.Value=Specific EMR instance ID
      &Instances.N.Dimensions.1.Name=host4hdfszkfailovercontroller
      &Instances.N.Dimensions.1.Value=Specific node IP in the EMR instance

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