Hadoop Map/Reduce
  1. Hadoop Map/Reduce
  2. MAPREDUCE-2239

BlockPlacementPolicyRaid should call getBlockLocations only when necessary

    Details

    • Type: Improvement Improvement
    • Status: Closed
    • Priority: Major Major
    • Resolution: Fixed
    • Affects Version/s: 0.23.0
    • Fix Version/s: 0.23.0
    • Component/s: contrib/raid
    • Labels:
      None
    • Hadoop Flags:
      Reviewed

      Description

      Currently BlockPlacementPolicyRaid calls getBlockLocations for every chooseTarget().
      This puts pressure on NameNode. We should avoid calling if this file is not raided or a parity file.

      1. MAPREDUCE-2239-3.txt
        15 kB
        Scott Chen
      2. MAPREDUCE-2239-2.txt
        14 kB
        Scott Chen
      3. MAPREDUCE-2239-1.txt
        16 kB
        Scott Chen
      4. MAPREDUCE-2239.txt
        16 kB
        Scott Chen

        Activity

        Scott Chen created issue -
        Scott Chen made changes -
        Field Original Value New Value
        Attachment MAPREDUCE-2239.txt [ 12468321 ]
        Scott Chen made changes -
        Status Open [ 1 ] Patch Available [ 10002 ]
        Scott Chen made changes -
        Attachment MAPREDUCE-2239-1.txt [ 12468340 ]
        Scott Chen made changes -
        Status Patch Available [ 10002 ] Open [ 1 ]
        Scott Chen made changes -
        Status Open [ 1 ] Patch Available [ 10002 ]
        Scott Chen made changes -
        Attachment MAPREDUCE-2239-2.txt [ 12469219 ]
        Scott Chen made changes -
        Status Patch Available [ 10002 ] Open [ 1 ]
        Scott Chen made changes -
        Status Open [ 1 ] Patch Available [ 10002 ]
        Scott Chen made changes -
        Status Patch Available [ 10002 ] Open [ 1 ]
        Scott Chen made changes -
        Status Open [ 1 ] Patch Available [ 10002 ]
        Tom White made changes -
        Status Patch Available [ 10002 ] Open [ 1 ]
        Scott Chen made changes -
        Attachment MAPREDUCE-2239-3.txt [ 12472269 ]
        Scott Chen made changes -
        Status Open [ 1 ] In Progress [ 3 ]
        Scott Chen made changes -
        Status In Progress [ 3 ] Patch Available [ 10002 ]
        Scott Chen made changes -
        Attachment MAPREDUCE-2239-3.txt [ 12472269 ]
        Scott Chen made changes -
        Attachment MAPREDUCE-2239-3.txt [ 12472357 ]
        Scott Chen made changes -
        Status Patch Available [ 10002 ] Open [ 1 ]
        Scott Chen made changes -
        Status Open [ 1 ] In Progress [ 3 ]
        Scott Chen made changes -
        Status In Progress [ 3 ] Patch Available [ 10002 ]
        Hadoop Flags [Reviewed]
        Scott Chen made changes -
        Status Patch Available [ 10002 ] Resolved [ 5 ]
        Resolution Fixed [ 1 ]
        Arun C Murthy made changes -
        Status Resolved [ 5 ] Closed [ 6 ]

          People

          • Assignee:
            Scott Chen
            Reporter:
            Scott Chen
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            Watchers:
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            Dates

            • Created:
              Updated:
              Resolved:

              Development