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https://issues.apache.org/jira/browse/YARN-2744?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14184031#comment-14184031
]
Hadoop QA commented on YARN-2744:
---------------------------------
{color:green}+1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12677087/YARN-2744-20141025-1.patch
against trunk revision f44cf99.
{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:green}+1 core tests{color}. The patch passed unit tests in
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager.
{color:green}+1 contrib tests{color}. The patch passed contrib unit tests.
Test results:
https://builds.apache.org/job/PreCommit-YARN-Build/5558//testReport/
Console output: https://builds.apache.org/job/PreCommit-YARN-Build/5558//console
This message is automatically generated.
> Under some scenario, it is possible to end up with capacity scheduler
> configuration that uses labels that no longer exist
> -------------------------------------------------------------------------------------------------------------------------
>
> Key: YARN-2744
> URL: https://issues.apache.org/jira/browse/YARN-2744
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: capacityscheduler
> Affects Versions: 2.5.1
> Reporter: Sumit Mohanty
> Assignee: Wangda Tan
> Priority: Critical
> Fix For: 2.6.0
>
> Attachments: YARN-2744-20141025-1.patch
>
>
> Use the following steps:
> * Ensure default in-memory storage is configured for labels
> * Define some labels and assign nodes to labels (e.g. define two labels and
> assign both labels to the host on a one host cluster)
> * Invoke refreshQueues
> * Modify capacity scheduler to create two top level queues and allow access
> to the labels from both the queues
> * Assign appropriate "label + queue" specific capacities
> * Restart resource manager
> Noticed that RM starts without any issues. The labels are not preserved
> across restart and thus the capacity-scheduler ends up using labels that are
> no longer present.
> At this point submitting an application to YARN will not succeed as there are
> no resources available with the labels.
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