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https://issues.apache.org/jira/browse/HBASE-22929?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16917665#comment-16917665
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Yechao Chen commented on HBASE-22929:
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[~allan163] thanks
my hbase verison is 2.1.2 , should include the HBASE-21031
> 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
> Priority: Major
> Attachments: OOM_log.png, hbase-site.xml, hbase_heap_monitor.png,
> hbase_rs_heap_dump_mat_1.png,
> hbase_rs_heap_dump_mat_ChunkCreator_chunkIdMap.png, hbase_rs_mem_used.png
>
>
> 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
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