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https://issues.apache.org/jira/browse/YARN-448?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13593379#comment-13593379
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Hudson commented on YARN-448:
-----------------------------
Integrated in Hadoop-Hdfs-trunk #1335 (See
[https://builds.apache.org/job/Hadoop-Hdfs-trunk/1335/])
YARN-448. Remove unnecessary hflush from log aggregation (Kihwal Lee via
bobby) (Revision 1452475)
Result = SUCCESS
bobby : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1452475
Files :
* /hadoop/common/trunk/hadoop-yarn-project/CHANGES.txt
*
/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/logaggregation/AggregatedLogFormat.java
> Remove unnecessary hflush from log aggregation
> ----------------------------------------------
>
> Key: YARN-448
> URL: https://issues.apache.org/jira/browse/YARN-448
> Project: Hadoop YARN
> Issue Type: Bug
> Components: nodemanager
> Affects Versions: 0.23.7, 2.0.4-beta
> Reporter: Kihwal Lee
> Assignee: Kihwal Lee
> Fix For: 3.0.0, 0.23.7, 2.0.4-beta
>
> Attachments: yarn-448.patch.txt
>
>
> AggregatedLogFormat#writeVersion() calls hflush() after writing the version.
> Calling hflush does not seem to be necessary. It can add a lot of load to
> hdfs in a big busy cluster.
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