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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2096) Race in TestRMRestart#testQueueMetricsOnRMRestart
Date Fri, 23 May 2014 23:32:02 GMT

    [ https://issues.apache.org/jira/browse/YARN-2096?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14007876#comment-14007876
] 

Hadoop QA commented on YARN-2096:
---------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12646464/YARN-2096.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 1 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}.  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
1.3.9) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number
of release audit warnings.

    {color:red}-1 core tests{color}.  The patch failed these unit tests in hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager:

                  org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.TestFairScheduler

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

Test results: https://builds.apache.org/job/PreCommit-YARN-Build/3814//testReport/
Console output: https://builds.apache.org/job/PreCommit-YARN-Build/3814//console

This message is automatically generated.

> Race in TestRMRestart#testQueueMetricsOnRMRestart
> -------------------------------------------------
>
>                 Key: YARN-2096
>                 URL: https://issues.apache.org/jira/browse/YARN-2096
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Anubhav Dhoot
>            Assignee: Anubhav Dhoot
>         Attachments: YARN-2096.patch
>
>
> org.apache.hadoop.yarn.server.resourcemanager.TestRMRestart.testQueueMetricsOnRMRestart
fails randomly because of a race condition.
> The test validates that metrics are incremented, but does not wait for all transitions
to finish before checking for the values.
> It also resets metrics after kicking off recovery of second RM. The metrics that need
to be incremented race with this reset causing test to fail randomly.
> We need to wait for the right transitions.



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