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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

    • Sub-task
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • 2.7.0
    • 2.9.0, 3.0.0-alpha1
    • namenode
    • None
    • Reviewed
    • 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

        Issue Links

          depends upon

          Task - A task that needs to be done. HADOOP-7001 Allow configuration changes without restarting configured nodes

          • Major - Major loss of function.
          • Closed
          relates to

          Bug - A problem which impairs or prevents the functions of the product. HDFS-12082 BlockInvalidateLimit value is incorrectly set after namenode heartbeat interval reconfigured

          • Major - Major loss of function.
          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. HDFS-12085 Reconfigure namenode heartbeat interval fails if the interval was set with time unit

          • Minor - Minor loss of function, or other problem where easy workaround is present.
          • Resolved

          Activity

            People

              xiaobingo Xiaobing Zhou
              pkling Patrick Kling
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              Dates

                Created:
                Updated:
                Resolved: