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Posted to yarn-issues@hadoop.apache.org by "Jason Lowe (JIRA)" <ji...@apache.org> on 2013/09/04 18:52:52 UTC
[jira] [Updated] (YARN-1145) Potential file handle leak in
aggregated logs web ui
[ https://issues.apache.org/jira/browse/YARN-1145?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jason Lowe updated YARN-1145:
-----------------------------
Target Version/s: 0.23.10, 2.1.1-beta (was: 2.1.1-beta)
Affects Version/s: 0.23.9
Summary: Potential file handle leak in aggregated logs web ui (was: Potential file handler leak in JobHistoryServer web ui.)
+1 lgtm, will commit this shortly. I noticed this affects 0.23 as well.
> Potential file handle leak in aggregated logs 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, 0.23.9, 2.1.1-beta
> Reporter: Rohith Sharma K S
> Assignee: 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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