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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1145) Potential file handle leak in aggregated logs web ui
Date Wed, 06 Nov 2013 12:32:21 GMT

    [ https://issues.apache.org/jira/browse/YARN-1145?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13814847#comment-13814847
] 

Hadoop QA commented on YARN-1145:
---------------------------------

{color:green}+1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12612346/YARN-1145.4.patch
  against trunk revision .

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:green}+1 tests included{color}.  The patch appears to include 2 new or modified
test files.

    {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
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager.

    {color:green}+1 contrib tests{color}.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-YARN-Build/2383//testReport/
Console output: https://builds.apache.org/job/PreCommit-YARN-Build/2383//console

This message is automatically generated.

> 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, YARN-1145.1.patch, YARN-1145.2.patch, YARN-1145.3.patch,
YARN-1145.4.patch, YARN-1145.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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