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From "Michael Drzal (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-6399) MetricsContext should be different between RegionServerMetrics and RegionServerDynamicMetrics
Date Fri, 07 Sep 2012 13:21:08 GMT

    [ https://issues.apache.org/jira/browse/HBASE-6399?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13450608#comment-13450608
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Michael Drzal commented on HBASE-6399:
--------------------------------------

It looks like this can be closed.  [~zhihyu@ebaysf.com] any objections?
                
> MetricsContext should be different between RegionServerMetrics and RegionServerDynamicMetrics
> ---------------------------------------------------------------------------------------------
>
>                 Key: HBASE-6399
>                 URL: https://issues.apache.org/jira/browse/HBASE-6399
>             Project: HBase
>          Issue Type: Improvement
>          Components: metrics
>    Affects Versions: 0.94.0
>            Reporter: chunhui shen
>            Assignee: chunhui shen
>            Priority: Critical
>             Fix For: 0.96.0
>
>         Attachments: HBASE-6399.patch, HBASE-6399v2.patch, HBASE-6399v3.patch
>
>
> In hadoop-metrics.properties, GangliaContext is optional metrics context, I think we
will use ganglia to monitor hbase cluster generally.
> However, I find a serious problem:
> RegionServerDynamicMetrics will generate lots of rrd file because we would move region
or create/delete table. 
> Especially if table is created everyday in some applications, there are much more and
more rrd files in Gmetad Server. It will make Gmetad Server corrupted.
> IMO, MetricsContext should be different between RegionServerMetrics and RegionServerDynamicMetrics

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