Uploaded image for project: 'Hadoop Common'
  1. Hadoop Common
  2. HADOOP-5258

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

    Details

    • Type: New Feature
    • Status: Closed
    • Priority: 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.

        Attachments

        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

              People

              • Assignee:
                jghoman Jakob Homan
                Reporter:
                jghoman Jakob Homan
              • Votes:
                0 Vote for this issue
                Watchers:
                1 Start watching this issue

                Dates

                • Created:
                  Updated:
                  Resolved: