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From "Himanshu Vashishtha (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-4348) Add metrics for regions in transition
Date Fri, 24 Feb 2012 17:41:49 GMT

    [ https://issues.apache.org/jira/browse/HBASE-4348?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13215769#comment-13215769
] 

Himanshu Vashishtha commented on HBASE-4348:
--------------------------------------------

I have created a patch, which involves a new method in org.apache.hadoop.hbase.master.AssignmentManager
and supporting code in src/main/jamon/org/apache/hbase/tmpl/master/AssignmentManagerStatusTmpl.jamon.
 
I am running it on my local system, and wonder about how to test this, i.e., to get some regions
in RIT. Any suggestions please?
                
> 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
>
> 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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