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  1. HBase
  2. HBASE-3906

When HMaster is running,there are a lot of RegionLoad instances(far greater than the regions),it has risk of OOME.

    Details

    • Type: Improvement
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 0.90.2, 0.90.3
    • Fix Version/s: 0.90.4
    • Component/s: master
    • Labels:
      None
    • Environment:

      1 hmaster,4 regionserver,about 100,000 regions.

    • Hadoop Flags:
      Reviewed

      Description

      1、Start hbase cluster;
      2、After hmaster finish regions assignement,use jmap to dump the memory of hmaster;
      3、Use MAT to analyse the dump file,there are too many RegionLoad instances,and these instances occupy more than 3G memory;

        Attachments

        1. HBASE-3906.patch
          0.9 kB
          jian zhang
        2. HBASE-3906.patch
          3 kB
          jian zhang

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            • Assignee:
              Unassigned
              Reporter:
              jianzhang jian zhang
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              Dates

              • Created:
                Updated:
                Resolved:

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