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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-7529) Possible deadlock in metrics2
Date Fri, 12 Aug 2011 17:44:27 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-7529?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13084279#comment-13084279
] 

Hudson commented on HADOOP-7529:
--------------------------------

Integrated in Hadoop-Common-trunk-Commit #741 (See [https://builds.apache.org/job/Hadoop-Common-trunk-Commit/741/])
    HADOOP-7529. Fix lock cycles in metrics system. (llu)

llu : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1157187
Files : 
* /hadoop/common/trunk/hadoop-common/CHANGES.txt
* /hadoop/common/trunk/hadoop-common/src/main/java/org/apache/hadoop/metrics2/lib/DefaultMetricsSystem.java


> Possible deadlock in metrics2
> -----------------------------
>
>                 Key: HADOOP-7529
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7529
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: metrics
>    Affects Versions: 0.23.0
>            Reporter: Todd Lipcon
>            Assignee: Luke Lu
>            Priority: Critical
>             Fix For: 0.23.0
>
>         Attachments: hadoop-7529-v1.patch, hadoop-7529-v2.patch, metrics-deadlock.png,
metrics-shutdown.png
>
>
> Lock cycle detected by jcarder between MetricsSystemImpl and DefaultMetricsSystem

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