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From "Andrew Wang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-6409) Create histogram class for metrics 2
Date Thu, 13 Sep 2012 21:45:07 GMT

    [ https://issues.apache.org/jira/browse/HBASE-6409?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13455341#comment-13455341
] 

Andrew Wang commented on HBASE-6409:
------------------------------------

Hi Elliot, sorry about the delay on getting back to you.

I don't think there's an issue with sharing an executor. IIRC, findbugs complained since it
didn't correctly pick up on synchronizing on the parent MutableQuantiles, but it's fine.

The datanode and namenode still seem to shutdown correctly even though the threads aren't
daemonized. Making them daemonized probably won't hurt though, so also LGTM.
                
> Create histogram class for metrics 2
> ------------------------------------
>
>                 Key: HBASE-6409
>                 URL: https://issues.apache.org/jira/browse/HBASE-6409
>             Project: HBase
>          Issue Type: Sub-task
>          Components: metrics
>    Affects Versions: 0.96.0
>            Reporter: Elliott Clark
>            Assignee: Elliott Clark
>            Priority: Blocker
>         Attachments: HBASE-6409-0.patch, HBASE-6409-1.patch, HBASE-6409-2.patch, HBASE-6409-3.patch,
HBASE-6409-4.patch
>
>
> Create the replacement for MetricsHistogram and PersistantTimeVaryingRate classes.

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