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Posted to common-issues@hadoop.apache.org by "Matt Foley (JIRA)" <ji...@apache.org> on 2013/07/07 01:09:50 UTC

[jira] [Resolved] (HADOOP-9504) MetricsDynamicMBeanBase has concurrency issues in createMBeanInfo

     [ https://issues.apache.org/jira/browse/HADOOP-9504?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Matt Foley resolved HADOOP-9504.
--------------------------------

          Resolution: Fixed
    Target Version/s: 0.23.8, 2.1.0-beta, 1.2.1  (was: 2.1.0-beta, 0.23.8, 1.2.1)

Committed to branch-1 and branch-1.2.  Thanks, Liang and Jason!
                
> MetricsDynamicMBeanBase has concurrency issues in createMBeanInfo
> -----------------------------------------------------------------
>
>                 Key: HADOOP-9504
>                 URL: https://issues.apache.org/jira/browse/HADOOP-9504
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: metrics
>    Affects Versions: 3.0.0, 2.0.3-alpha
>            Reporter: Liang Xie
>            Assignee: Liang Xie
>            Priority: Critical
>             Fix For: 2.1.0-beta, 1.2.1, 0.23.8
>
>         Attachments: HADOOP-9504-branch-1.txt, HADOOP-9504.txt, HADOOP-9504-v2.txt
>
>
> Please see HBASE-8416 for detail information.
> we need to take care of the synchronization for HashMap put(), otherwise it may lead to spin loop.

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