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Posted to mapreduce-issues@hadoop.apache.org by "Hadoop QA (JIRA)" <ji...@apache.org> on 2013/08/30 17:17:57 UTC
[jira] [Commented] (MAPREDUCE-5486) Potential file handler leak in
JobHistoryServer web ui.
[ https://issues.apache.org/jira/browse/MAPREDUCE-5486?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13754779#comment-13754779 ]
Hadoop QA commented on MAPREDUCE-5486:
--------------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12600541/MAPREDUCE-5486.patch
against trunk revision .
{color:green}+1 @author{color}. The patch does not contain any @author tags.
{color:red}-1 tests included{color}. The patch doesn't appear to include any new or modified tests.
Please justify why no new tests are needed for this patch.
Also please list what manual steps were performed to verify this patch.
{color:green}+1 javac{color}. The applied patch does not increase the total number of javac compiler warnings.
{color:green}+1 javadoc{color}. The javadoc tool did not generate any warning messages.
{color:green}+1 eclipse:eclipse{color}. The patch built with eclipse:eclipse.
{color:green}+1 findbugs{color}. The patch does not introduce any new Findbugs (version 1.3.9) warnings.
{color:green}+1 release audit{color}. The applied patch does not increase the total number of release audit warnings.
{color:green}+1 core tests{color}. The patch passed unit tests in hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common.
{color:green}+1 contrib tests{color}. The patch passed contrib unit tests.
Test results: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/3974//testReport/
Console output: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/3974//console
This message is automatically generated.
> Potential file handler leak in JobHistoryServer web ui.
> -------------------------------------------------------
>
> Key: MAPREDUCE-5486
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-5486
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: jobhistoryserver
> Affects Versions: 2.0.5-alpha, 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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