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From "Ted Yu (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-4641) Block cache can be mistakenly instantiated on Master
Date Fri, 28 Oct 2011 06:54:33 GMT

    [ https://issues.apache.org/jira/browse/HBASE-4641?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13138126#comment-13138126
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Ted Yu commented on HBASE-4641:
-------------------------------

I think the fact that Configuration object may be shared by both master and region server(s)
in minicluster poses limitation on this and future tasks.
We should think of changing this sharing which would never happen in production cluster.

Once that is done, there would be no need to replicate Configuration as patch v1 did.
                
> 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, 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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