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https://issues.apache.org/jira/browse/HBASE-21388?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16671266#comment-16671266
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Guanghao Zhang commented on HBASE-21388:
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Pushed all branch-2.0+ branch. Thanks [~stack] [~anoop.hbase] for reviewing.
> No need to instantiate MemStoreLAB for master which not carry table
> -------------------------------------------------------------------
>
> Key: HBASE-21388
> URL: https://issues.apache.org/jira/browse/HBASE-21388
> Project: HBase
> Issue Type: Improvement
> Affects Versions: 3.0.0, 2.2.0, 2.1.1, 2.0.2
> Reporter: Guanghao Zhang
> Assignee: Guanghao Zhang
> Priority: Major
> Fix For: 3.0.0, 2.2.0, 2.0.3, 2.1.2
>
> Attachments: HBASE-21388.master.001.patch,
> HBASE-21388.master.002.patch, HBASE-21388.master.003.patch,
> HBASE-21388.master.004.patch, HBASE-21388.master.004.patch
>
>
> We found this log in our master.
> 2018-10-26,10:00:00,449 INFO
> [master/c4-hadoop-tst-ct16:42900:becomeActiveMaster]
> org.apache.hadoop.hbase.regionserver.ChunkCreator: Allocating data
> MemStoreChunkPool with chunk size 2 MB, max count 737, initial count 0
> 2018-10-26,10:00:00,452 INFO
> [master/c4-hadoop-tst-ct16:42900:becomeActiveMaster]
> org.apache.hadoop.hbase.regionserver.ChunkCreator: Allocating index
> MemStoreChunkPool with chunk size 204.80 KB, max count 819, initial count 0
>
> Same with HBASE-21290, we don't need to instantiate MemStore for master which
> not carry table.
>
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