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https://issues.apache.org/jira/browse/HBASE-21290?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16646431#comment-16646431
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Mike Drob commented on HBASE-21290:
-----------------------------------
HBASE-15154 and HBASE-11970 and HBASE-12034 related?
> No need to instantiate BlockCache for master which not carry table
> ------------------------------------------------------------------
>
> Key: HBASE-21290
> URL: https://issues.apache.org/jira/browse/HBASE-21290
> Project: HBase
> Issue Type: Improvement
> Reporter: Guanghao Zhang
> Assignee: Guanghao Zhang
> Priority: Major
> Attachments: HBASE-21290.master.001.patch
>
>
> In our production clusters, we use different jvm config for
> master/regionserver but use same hbase-site.xml for master/regionserver. And
> master has a small heap/offheap config. So the regionserver's
> hbase.bucketcache.size is not suitable for master. I thought we don't need to
> instantiate BlockCache for master which not carry table.
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