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Posted to issues@hbase.apache.org by "Guanghao Zhang (JIRA)" <ji...@apache.org> on 2018/10/29 03:56:00 UTC
[jira] [Commented] (HBASE-21388) No need to instantiate MemStoreLAB
for master which not carry table
[ https://issues.apache.org/jira/browse/HBASE-21388?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16666712#comment-16666712 ]
Guanghao Zhang commented on HBASE-21388:
----------------------------------------
The MemStoreLAB and ChunkCreator is global per process. The minicluster start master and rs in same process, the ut will failed as rs will create a new MemStoreLAB. Will find a way to resolve this later.
> 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
> Reporter: Guanghao Zhang
> Assignee: Guanghao Zhang
> Priority: Major
> Attachments: HBASE-21388.master.001.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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