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https://issues.apache.org/jira/browse/YARN-1145?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jason Lowe moved MAPREDUCE-5486 to YARN-1145:
---------------------------------------------
Component/s: (was: jobhistoryserver)
Assignee: (was: Rohith Sharma K S)
Target Version/s: 2.1.1-beta (was: 2.1.1-beta)
Affects Version/s: (was: 2.1.1-beta)
(was: 2.0.5-alpha)
2.1.1-beta
2.0.5-alpha
Key: YARN-1145 (was: MAPREDUCE-5486)
Project: Hadoop YARN (was: Hadoop Map/Reduce)
> Potential file handler leak in JobHistoryServer web ui.
> -------------------------------------------------------
>
> Key: YARN-1145
> URL: https://issues.apache.org/jira/browse/YARN-1145
> Project: Hadoop YARN
> Issue Type: Bug
> Affects Versions: 2.0.5-alpha, 2.1.1-beta
> Reporter: Rohith Sharma K S
> Attachments: MAPREDUCE-5486.patch
>
>
> Any problem in getting aggregated logs for rendering on web ui, then
> LogReader is not closed.
> Now, it reader is not closed which causing many connections in close_wait
> state.
> hadoopuser@hadoopuser:> jps
> *27909* JobHistoryServer
> DataNode port is 50010. When greped with DataNode port, many connections are
> in CLOSE_WAIT from JHS.
> hadoopuser@hadoopuser:> netstat -tanlp |grep 50010
> tcp 0 0 10.18.40.48:50010 0.0.0.0:* LISTEN
> 21453/java
> tcp 1 0 10.18.40.48:20596 10.18.40.48:50010
> CLOSE_WAIT *27909*/java
> tcp 1 0 10.18.40.48:19667 10.18.40.152:50010
> CLOSE_WAIT *27909*/java
> tcp 1 0 10.18.40.48:20593 10.18.40.48:50010
> CLOSE_WAIT *27909*/java
> tcp 1 0 10.18.40.48:12290 10.18.40.48:50010
> CLOSE_WAIT *27909*/java
> tcp 1 0 10.18.40.48:19662 10.18.40.152:50010
> CLOSE_WAIT *27909*/java
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