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https://issues.apache.org/jira/browse/HBASE-4641?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13138634#comment-13138634
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Ted Yu commented on HBASE-4641:
-------------------------------
Patch v4 uses the approach from comment @ 28/Oct/11 06:38
I verified through breakpoint that both CreateTableHandler and meta region
creation are covered.
For region server, the following condition evaluates to false:
{code}
if (conf.getBoolean(HConstants.IS_MASTER, false)) {
{code}
> Block cache can be mistakenly instantiated on Master
> ----------------------------------------------------
>
> Key: HBASE-4641
> URL: https://issues.apache.org/jira/browse/HBASE-4641
> Project: HBase
> Issue Type: Bug
> Components: master
> Affects Versions: 0.92.0, 0.94.0
> Reporter: Jonathan Gray
> Assignee: Jonathan Gray
> Priority: Critical
> Fix For: 0.92.0
>
> Attachments: 4641-suggestion-v3.txt, 4641-v4.txt,
> HBASE-4641-v1.patch, HBASE-4641-v2.patch
>
>
> After changes in the block cache instantiation over in HBASE-4422, it looks
> like the HMaster can now end up with a block cache instantiated. Not a huge
> deal but prevents the process from shutting down properly.
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