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From "Yechao Chen (Jira)" <j...@apache.org>
Subject [jira] [Created] (HBASE-22929) MemStoreLAB ChunkCreator may memory leak
Date Tue, 27 Aug 2019 08:36:00 GMT
Yechao Chen created HBASE-22929:
-----------------------------------

             Summary: MemStoreLAB  ChunkCreator may memory leak
                 Key: HBASE-22929
                 URL: https://issues.apache.org/jira/browse/HBASE-22929
             Project: HBase
          Issue Type: Bug
    Affects Versions: 2.1.2
            Reporter: Yechao Chen


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



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