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From "Todd Lipcon (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-4348) Add metrics for regions in transition
Date Thu, 01 Mar 2012 22:05:59 GMT

    [ https://issues.apache.org/jira/browse/HBASE-4348?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13220416#comment-13220416
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Todd Lipcon commented on HBASE-4348:
------------------------------------

This patch should actually add _metrics_, not just UI entries. Adding to the UI is nice sugar,
but exposing via JMX and the hadoop metrics interface is higher priority IMO.
                
> Add metrics for regions in transition
> -------------------------------------
>
>                 Key: HBASE-4348
>                 URL: https://issues.apache.org/jira/browse/HBASE-4348
>             Project: HBase
>          Issue Type: Improvement
>          Components: metrics
>    Affects Versions: 0.92.0
>            Reporter: Todd Lipcon
>            Assignee: Himanshu Vashishtha
>            Priority: Minor
>              Labels: noob
>         Attachments: 4348-v1.patch, 4348-v2.patch, RITs.png
>
>
> The following metrics would be useful for monitoring the master:
> - the number of regions in transition
> - the number of regions in transition that have been in transition for more than a minute
> - how many seconds has the oldest region-in-transition been in transition

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