Hadoop Common
  1. Hadoop Common
  2. HADOOP-5258

Provide dfsadmin functionality to report on namenode's view of network topology

    Details

    • Type: New Feature New Feature
    • Status: Closed
    • Priority: Major Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 0.21.0
    • Component/s: None
    • Labels:
      None
    • Hadoop Flags:
      Incompatible change, Reviewed
    • Release Note:
      New dfsAdmin command -printTopology shows topology as understood by the namenode.

      Description

      As discussed in HADOOP-4954, it would be useful to be able to query the namenode to its current view on the network topology of racks and datanodes. This would allow ops to compare what the namenode sees with what they expect it to see.

      1. HADOOP-5258.patch
        20 kB
        Jakob Homan
      2. HADOOP-5258.patch
        20 kB
        Jakob Homan
      3. HADOOP-5258.patch
        17 kB
        Jakob Homan
      4. HADOOP-5258.patch
        15 kB
        Jakob Homan

        Issue Links

          Activity

          Jakob Homan created issue -
          Jakob Homan made changes -
          Field Original Value New Value
          Link This issue is related to HADOOP-4954 [ HADOOP-4954 ]
          Jakob Homan made changes -
          Attachment HADOOP-5258.patch [ 12400548 ]
          Jakob Homan made changes -
          Release Note -printTopology added to dfsAdmin to print a tree of the rack and datanode topology as seen by the namenode.
          Status Open [ 1 ] Patch Available [ 10002 ]
          Jakob Homan made changes -
          Status Patch Available [ 10002 ] Open [ 1 ]
          Jakob Homan made changes -
          Attachment HADOOP-5258.patch [ 12400558 ]
          Jakob Homan made changes -
          Status Open [ 1 ] Patch Available [ 10002 ]
          Jakob Homan made changes -
          Status Patch Available [ 10002 ] Open [ 1 ]
          Jakob Homan made changes -
          Attachment HADOOP-5258.patch [ 12401265 ]
          Jakob Homan made changes -
          Status Open [ 1 ] Patch Available [ 10002 ]
          Tsz Wo Nicholas Sze made changes -
          Component/s dfs [ 12310710 ]
          Jakob Homan made changes -
          Attachment HADOOP-5258.patch [ 12401874 ]
          Jakob Homan made changes -
          Attachment HADOOP-5258.patch [ 12401874 ]
          Jakob Homan made changes -
          Attachment HADOOP-5258.patch [ 12401875 ]
          Jakob Homan made changes -
          Attachment HADOOP-5258.patch [ 12401875 ]
          Jakob Homan made changes -
          Attachment HADOOP-5258.patch [ 12401876 ]
          Tsz Wo Nicholas Sze made changes -
          Status Patch Available [ 10002 ] Resolved [ 5 ]
          Hadoop Flags [Incompatible change] [Incompatible change, Reviewed]
          Fix Version/s 0.21.0 [ 12313563 ]
          Resolution Fixed [ 1 ]
          Jakob Homan made changes -
          Link This issue is related to HADOOP-5477 [ HADOOP-5477 ]
          Owen O'Malley made changes -
          Component/s dfs [ 12310710 ]
          Robert Chansler made changes -
          Release Note -printTopology added to dfsAdmin to print a tree of the rack and datanode topology as seen by the namenode. New dfsAdmin command -printTopology shows topology as understood by the namenode.
          Tom White made changes -
          Status Resolved [ 5 ] Closed [ 6 ]

            People

            • Assignee:
              Jakob Homan
              Reporter:
              Jakob Homan
            • Votes:
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              Watchers:
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              Dates

              • Created:
                Updated:
                Resolved:

                Development