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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-15720) Print row locks at the debug dump page
Date Thu, 28 Apr 2016 08:25:13 GMT

    [ https://issues.apache.org/jira/browse/HBASE-15720?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15261742#comment-15261742
] 

Hudson commented on HBASE-15720:
--------------------------------

FAILURE: Integrated in HBase-1.2 #612 (See [https://builds.apache.org/job/HBase-1.2/612/])
HBASE-15720 Print row locks at the debug dump page (chenheng: rev 92eec5382995e2254ff9db556d0e784559c08b2e)
* hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java
* hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/RSDumpServlet.java


> Print row locks at the debug dump page
> --------------------------------------
>
>                 Key: HBASE-15720
>                 URL: https://issues.apache.org/jira/browse/HBASE-15720
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Enis Soztutar
>            Assignee: Heng Chen
>             Fix For: 2.0.0, 1.3.0, 1.4.0, 1.1.5, 1.2.2, 0.98.20, 1.0.5
>
>         Attachments: 4742C21D-B9CE-4921-9B32-CC319488EC64.png, HBASE-15720.patch
>
>
> We had to debug cases where some handlers are holding row locks for an extended time
(and maybe leak) and other handlers are getting timeouts for obtaining row locks. 
> We should add row lock information at the debug page at the RS UI to be able to live-debug
such cases.  



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