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  1. HBase
  2. HBASE-22929

MemStoreLAB ChunkCreator may memory leak

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    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 2.1.2
    • Fix Version/s: 3.0.0, 2.3.0, 2.1.7, 2.2.2
    • Component/s: None
    • Labels:
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      Description

      We use hbase 2.1.2 with memstorelab enable
      RegionServer crashed case of oom

      I dump the heap ,found the ChunkCreator may be memory leak

      The heap is 32GB,
      hbase.regionserver.global.memstore.size=0.4,
      hbase.hregion.memstore.mslab.enabled=true
      hbase.hregion.memstore.chunkpool.initialsize=0.5,
      hbase.hregion.memstore.chunkpool.maxsize=1.0
      BucketCache with offheap

        Attachments

        1. OOM_log.png
          21 kB
          Yechao Chen
        2. hbase-site.xml
          10 kB
          Yechao Chen
        3. hbase_rs_mem_used.png
          196 kB
          Yechao Chen
        4. hbase_rs_heap_dump_mat_ChunkCreator_chunkIdMap.png
          155 kB
          Yechao Chen
        5. hbase_rs_heap_dump_mat_1.png
          70 kB
          Yechao Chen
        6. hbase_heap_monitor.png
          144 kB
          Yechao Chen

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              • Assignee:
                ram_krish ramkrishna.s.vasudevan
                Reporter:
                chenyechao Yechao Chen
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                Dates

                • Created:
                  Updated:
                  Resolved: