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https://issues.apache.org/jira/browse/HADOOP-9504?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13643672#comment-13643672
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Hudson commented on HADOOP-9504:
--------------------------------
Integrated in Hadoop-Mapreduce-trunk #1412 (See
[https://builds.apache.org/job/Hadoop-Mapreduce-trunk/1412/])
HADOOP-9504. MetricsDynamicMBeanBase has concurrency issues in
createMBeanInfo. Contributed by Liang Xie (Revision 1476487)
Result = SUCCESS
jlowe : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1476487
Files :
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt
*
/hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/metrics/util/MetricsDynamicMBeanBase.java
> 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: 2.0.5-beta, 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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