Package org.apache.hadoop.hdfs.server.datanode.fsdataset

Class DataNodeVolumeMetrics

java.lang.Object
org.apache.hadoop.hdfs.server.datanode.fsdataset.DataNodeVolumeMetrics
@Private @Evolving @Metrics(name="DataNodeVolume", about="DataNode Volume metrics", context="dfs") public class DataNodeVolumeMetrics extends Object
This class is for maintaining Datanode Volume IO related statistics and publishing them through the metrics interfaces.

  • Constructor Details

    • DataNodeVolumeMetrics

      public DataNodeVolumeMetrics(org.apache.hadoop.metrics2.MetricsSystem metricsSystem, String volumeName, int[] intervals)

  • Method Details

    • getVolumeName

      @Metric(value={"VolumeName","Current VolumeName"}, type=TAG) public String getVolumeName()

    • getTotalMetadataOperations

      public long getTotalMetadataOperations()

    • getMetadataOperationSampleCount

      public long getMetadataOperationSampleCount()

    • getMetadataOperationMean

      public double getMetadataOperationMean()

    • getMetadataOperationStdDev

      public double getMetadataOperationStdDev()

    • getTotalDataFileIos

      public long getTotalDataFileIos()

    • getDataFileIoSampleCount

      public long getDataFileIoSampleCount()

    • getDataFileIoMean

      public double getDataFileIoMean()

    • getDataFileIoStdDev

      public double getDataFileIoStdDev()

    • getFlushIoSampleCount

      public long getFlushIoSampleCount()

    • getFlushIoMean

      public double getFlushIoMean()

    • getFlushIoStdDev

      public double getFlushIoStdDev()

    • getSyncIoSampleCount

      public long getSyncIoSampleCount()

    • getSyncIoMean

      public double getSyncIoMean()

    • getSyncIoStdDev

      public double getSyncIoStdDev()

    • getReadIoSampleCount

      public long getReadIoSampleCount()

    • getReadIoMean

      public double getReadIoMean()

    • getReadIoStdDev

      public double getReadIoStdDev()

    • getWriteIoSampleCount

      public long getWriteIoSampleCount()

    • getWriteIoMean

      public double getWriteIoMean()

    • getWriteIoStdDev

      public double getWriteIoStdDev()

    • getTransferIoSampleCount

      public long getTransferIoSampleCount()

    • getTransferIoMean

      public double getTransferIoMean()

    • getTransferIoStdDev

      public double getTransferIoStdDev()

    • getTransferIoQuantiles

      public org.apache.hadoop.metrics2.lib.MutableQuantiles[] getTransferIoQuantiles()

    • getNativeCopyIoSampleCount

      public long getNativeCopyIoSampleCount()

    • getNativeCopyIoMean

      public double getNativeCopyIoMean()

    • getNativeCopyIoStdDev

      public double getNativeCopyIoStdDev()

    • getNativeCopyIoQuantiles

      public org.apache.hadoop.metrics2.lib.MutableQuantiles[] getNativeCopyIoQuantiles()

    • getTotalFileIoErrors

      public long getTotalFileIoErrors()

    • getFileIoErrorSampleCount

      public long getFileIoErrorSampleCount()

    • getFileIoErrorMean

      public double getFileIoErrorMean()

    • getFileIoErrorStdDev

      public double getFileIoErrorStdDev()

    • create

      public static DataNodeVolumeMetrics create(org.apache.hadoop.conf.Configuration conf, String volumeName)

    • name

      public String name()

    • unRegister

      public void unRegister()

    • addMetadataOperationLatency

      public void addMetadataOperationLatency(long latency)

    • addDataFileIoLatency

      public void addDataFileIoLatency(long latency)

    • addSyncIoLatency

      public void addSyncIoLatency(long latency)

    • addFlushIoLatency

      public void addFlushIoLatency(long latency)

    • addReadIoLatency

      public void addReadIoLatency(long latency)

    • addWriteIoLatency

      public void addWriteIoLatency(long latency)

    • addTransferIoLatency

      public void addTransferIoLatency(long latency)

    • addNativeCopyIoLatency

      public void addNativeCopyIoLatency(long latency)

    • addFileIoError

      public void addFileIoError(long latency)