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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-10169) remove the unnecessary synchronized in JvmMetrics class
Date Sun, 22 Dec 2013 00:47:50 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-10169?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13855025#comment-13855025
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Hudson commented on HADOOP-10169:
---------------------------------

FAILURE: Integrated in Hadoop-Hdfs-trunk #1619 (See [https://builds.apache.org/job/Hadoop-Hdfs-trunk/1619/])
HADOOP-10169. Remove the unnecessary synchronized in JvmMetrics class. Contributed by Liang
Xie. (jing9: http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1552820)
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/metrics2/source/JvmMetrics.java


> remove the unnecessary  synchronized in JvmMetrics class
> --------------------------------------------------------
>
>                 Key: HADOOP-10169
>                 URL: https://issues.apache.org/jira/browse/HADOOP-10169
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: metrics
>    Affects Versions: 3.0.0, 2.2.0
>            Reporter: Liang Xie
>            Assignee: Liang Xie
>            Priority: Minor
>             Fix For: 2.4.0
>
>         Attachments: HADOOP-10169-v2.txt, HADOOP-10169-v3.txt, HADOOP-10169-v4.txt, HADOOP-10169.txt
>
>
> When i looked into a HBase JvmMetric impl, just found this synchronized seems not essential.



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