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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-3350) YARN RackResolver spams logs with messages at info level
Date Mon, 16 Mar 2015 19:16:42 GMT

    [ https://issues.apache.org/jira/browse/YARN-3350?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14363738#comment-14363738
] 

Hadoop QA commented on YARN-3350:
---------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12704841/YARN-3350.2.patch
  against trunk revision ed4e72a.

    {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}.  There were no new javadoc 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
2.0.3) 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.

Test results: https://builds.apache.org/job/PreCommit-YARN-Build/6977//testReport/
Console output: https://builds.apache.org/job/PreCommit-YARN-Build/6977//console

This message is automatically generated.

> YARN RackResolver spams logs with messages at info level
> --------------------------------------------------------
>
>                 Key: YARN-3350
>                 URL: https://issues.apache.org/jira/browse/YARN-3350
>             Project: Hadoop YARN
>          Issue Type: Improvement
>    Affects Versions: 2.6.0
>            Reporter: Wilfred Spiegelenburg
>            Assignee: Wilfred Spiegelenburg
>         Attachments: YARN-3350.2.patch, YARN-3350.patch, yarn-RackResolver-log.txt
>
>
> When you run an application the container logs shows a lot of messages for the RackResolver:
> 2015-03-10 00:58:30,483 INFO [RMCommunicator Allocator] org.apache.hadoop.yarn.util.RackResolver:
Resolved node175.example.com to /rack15
> A real world example for a large job was generating 20+ messages in 2 milliseconds during
a sustained period of time flooding the logs causing the node to run out of disk space.



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