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https://issues.apache.org/jira/browse/HBASE-19505?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16289663#comment-16289663
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stack commented on HBASE-19505:
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An option to disable sounds good. Default to enabling bytebufferpool on master
if it is carrying ANY regions but if you think only if system+user tables,
thats fine too.
> Disable ByteBufferPool by default at HM
> ---------------------------------------
>
> Key: HBASE-19505
> URL: https://issues.apache.org/jira/browse/HBASE-19505
> Project: HBase
> Issue Type: Sub-task
> Reporter: Anoop Sam John
> Assignee: Anoop Sam John
> Fix For: 2.0.0-beta-1
>
> Attachments: HBASE-19505.patch
>
>
> The main usage of the pool is while accepting bigger sized requests ie.
> Mutation requests. HM do not have any regions by default. So we can make
> this pool OFF in HM side. Still add a config to turn this ON.
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