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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.

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Details

    • Improvement
    • Status: Closed
    • Major
    • Resolution: Fixed
    • 0.90.2, 0.90.3
    • 0.90.4
    • master
    • None
    • 1 hmaster,4 regionserver,about 100,000 regions.

    • 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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            Unassigned Unassigned
            jianzhang jian zhang
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            Dates

              Created:
              Updated:
              Resolved:

              Time Tracking

                Estimated:
                Original Estimate - 168h
                168h
                Remaining:
                Remaining Estimate - 168h
                168h
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