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    Details

    • Type: Sub-task
    • Status: Closed
    • Priority: Minor
    • Resolution: Fixed
    • Affects Version/s: 3.0.0-alpha1
    • Fix Version/s: 2.0.3-alpha
    • Component/s: datanode, namenode
    • Labels:
      None
    • Hadoop Flags:
      Reviewed
    • Release Note:
      Hide
      This jira adds a new metric with name "StaleDataNodes" under metrics context "dfs" of type Gauge. This tracks the number of DataNodes marked as stale. A DataNode is marked stale when the heartbeat message from the DataNode is not received within the configured time ""dfs.namenode.stale.datanode.interval".


      Please see hdfs-default.xml documentation corresponding to ""dfs.namenode.stale.datanode.interval" for more details on how to configure this feature. When this feature is not configured, this metrics would return zero.
      Show
      This jira adds a new metric with name "StaleDataNodes" under metrics context "dfs" of type Gauge. This tracks the number of DataNodes marked as stale. A DataNode is marked stale when the heartbeat message from the DataNode is not received within the configured time ""dfs.namenode.stale.datanode.interval". Please see hdfs-default.xml documentation corresponding to ""dfs.namenode.stale.datanode.interval" for more details on how to configure this feature. When this feature is not configured, this metrics would return zero.

      Description

      Add the number of stale DataNodes to metrics.

        Attachments

        1. HDFS-4059.trunk.001.patch
          6 kB
          Jing Zhao
        2. HDFS-4059.trunk.002.patch
          7 kB
          Jing Zhao
        3. HDFS-4059.trunk.003.patch
          7 kB
          Jing Zhao

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            • Assignee:
              jingzhao Jing Zhao
              Reporter:
              jingzhao Jing Zhao

              Dates

              • Created:
                Updated:
                Resolved:

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