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  1. Hadoop HDFS
  2. HDFS-9000 Allow reconfiguration without restart for parameters where applicable.
  3. HDFS-1477

Support reconfiguring dfs.heartbeat.interval and dfs.namenode.heartbeat.recheck-interval without NN restart

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    Details

    • Type: Sub-task
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 2.7.0
    • Fix Version/s: 2.9.0, 3.0.0-alpha1
    • Component/s: namenode
    • Labels:
      None
    • Hadoop Flags:
      Reviewed
    • Release Note:
      Hide
      Steps to reconfigure:
      1. change value of the parameter in corresponding xml configuration file
      2. to reconfigure, run
          hdfs dfsadmin -reconfig namenode <nn_addr>:<ipc_port> start
      3. to check status of the most recent reconfigure operation, run
          hdfs dfsadmin -reconfig namenode <nn_addr>:<ipc_port> status
      4. to query a list reconfigurable properties on NN, run
          hdfs dfsadmin -reconfig namenode <nn_addr>:<ipc_port> properties
      Show
      Steps to reconfigure: 1. change value of the parameter in corresponding xml configuration file 2. to reconfigure, run     hdfs dfsadmin -reconfig namenode <nn_addr>:<ipc_port> start 3. to check status of the most recent reconfigure operation, run     hdfs dfsadmin -reconfig namenode <nn_addr>:<ipc_port> status 4. to query a list reconfigurable properties on NN, run     hdfs dfsadmin -reconfig namenode <nn_addr>:<ipc_port> properties

      Description

      Modify NameNode to implement the interface Reconfigurable proposed in HADOOP-7001. This would allow us to change certain configuration properties without restarting the name node.

        Attachments

        1. HDFS-1477.005.patch
          23 kB
          Xiaobing Zhou
        2. HDFS-1477.2.patch
          15 kB
          Patrick Kling
        3. HDFS-1477.3.patch
          15 kB
          Patrick Kling
        4. HDFS-1477.4.patch
          23 kB
          Xiaobing Zhou
        5. HDFS-1477.patch
          11 kB
          Patrick Kling
        6. HDFS-1477-HDFS-9000.006.patch
          22 kB
          Xiaobing Zhou
        7. HDFS-1477-HDFS-9000.007.patch
          31 kB
          Xiaobing Zhou
        8. HDFS-1477-HDFS-9000.008.patch
          31 kB
          Xiaobing Zhou
        9. HDFS-1477-HDFS-9000.009.patch
          33 kB
          Xiaobing Zhou

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            • Assignee:
              xiaobingo Xiaobing Zhou
              Reporter:
              pkling Patrick Kling

              Dates

              • Created:
                Updated:
                Resolved:

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