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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2306) leak of reservation metrics (fair scheduler)
Date Sat, 21 Mar 2015 01:49:38 GMT

    [ https://issues.apache.org/jira/browse/YARN-2306?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14372436#comment-14372436
] 

Hadoop QA commented on YARN-2306:
---------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12666133/YARN-2306-2.patch
  against trunk revision fe5c23b.

    {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
2.0.3) 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

Test results: https://builds.apache.org/job/PreCommit-YARN-Build/7053//testReport/
Console output: https://builds.apache.org/job/PreCommit-YARN-Build/7053//console

This message is automatically generated.

> leak of reservation metrics (fair scheduler)
> --------------------------------------------
>
>                 Key: YARN-2306
>                 URL: https://issues.apache.org/jira/browse/YARN-2306
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: fairscheduler
>            Reporter: Hong Zhiguo
>            Assignee: Hong Zhiguo
>            Priority: Minor
>         Attachments: YARN-2306-2.patch, YARN-2306.patch
>
>
> This only applies to fair scheduler. Capacity scheduler is OK.
> When appAttempt or node is removed, the metrics for reservation(reservedContainers, reservedMB,
reservedVCores) is not reduced back.
> These are important metrics for administrator. The wrong metrics confuses may confuse
them. 



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