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Posted to issues@hbase.apache.org by "Yechao Chen (Jira)" <ji...@apache.org> on 2019/08/27 08:47:00 UTC
[jira] [Commented] (HBASE-22929) MemStoreLAB ChunkCreator may
memory leak
[ https://issues.apache.org/jira/browse/HBASE-22929?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16916524#comment-16916524 ]
Yechao Chen commented on HBASE-22929:
-------------------------------------
!hbase_heap_monitor.png!
!hbase_rs_mem_used.png!
!hbase_rs_heap_dump_mat_1.png!
!hbase_rs_heap_dump_mat_ChunkCreator_chunkIdMap.png!
> 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: 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
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