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

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            • Assignee:
              Jakob Homan
              Reporter:
              Jakob Homan
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              Dates

              • Created:
                Updated:
                Resolved:

                Development