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From "Hadoop QA (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-4348) Add metrics for regions in transition
Date Fri, 06 Apr 2012 03:35:20 GMT

    [ https://issues.apache.org/jira/browse/HBASE-4348?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13248000#comment-13248000
] 

Hadoop QA commented on HBASE-4348:
----------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12521634/hbase-4348-v4.patch
  against trunk revision .

    +1 @author.  The patch does not contain any @author tags.

    +1 tests included.  The patch appears to include 3 new or modified tests.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

    +1 javac.  The applied patch does not increase the total number of javac compiler warnings.

    +1 findbugs.  The patch does not introduce any new Findbugs (version 1.3.9) warnings.

    +1 release audit.  The applied patch does not increase the total number of release audit
warnings.

     -1 core tests.  The patch failed these unit tests:
                       org.apache.hadoop.hbase.regionserver.TestSplitTransactionOnCluster

Test results: https://builds.apache.org/job/PreCommit-HBASE-Build/1420//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/1420//artifact/trunk/patchprocess/newPatchFindbugsWarnings.html
Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/1420//console

This message is automatically generated.
                
> 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
>             Fix For: 0.96.0
>
>         Attachments: 4348-metrics-v3.patch, 4348-v1.patch, 4348-v2.patch, RITs.png, RegionInTransitions2.png,
hbase-4348-v4.patch, hbase-4348.patch, metrics-v2.patch
>
>
> 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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