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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2800) Remove MemoryNodeLabelsStore and add a way to enable/disable node labels feature
Date Wed, 19 Nov 2014 21:31:34 GMT

    [ https://issues.apache.org/jira/browse/YARN-2800?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14218526#comment-14218526
] 

Hadoop QA commented on YARN-2800:
---------------------------------

{color:green}+1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12682473/YARN-2800-20141119-1.patch
  against trunk revision 5bd048e.

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

    {color:green}+1 tests included{color}.  The patch appears to include 10 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-api
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-applications-distributedshell
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common 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/5881//testReport/
Console output: https://builds.apache.org/job/PreCommit-YARN-Build/5881//console

This message is automatically generated.

> Remove MemoryNodeLabelsStore and add a way to enable/disable node labels feature
> --------------------------------------------------------------------------------
>
>                 Key: YARN-2800
>                 URL: https://issues.apache.org/jira/browse/YARN-2800
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: client, resourcemanager
>            Reporter: Wangda Tan
>            Assignee: Wangda Tan
>         Attachments: YARN-2800-20141102-1.patch, YARN-2800-20141102-2.patch, YARN-2800-20141118-1.patch,
YARN-2800-20141118-2.patch, YARN-2800-20141119-1.patch
>
>
> In the past, we have a MemoryNodeLabelStore, mostly for user to try this feature without
configuring where to store node labels on file system. It seems convenient for user to try
this, but actually it causes some bad use experience. User may add/remove labels, and edit
capacity-scheduler.xml. After RM restart, labels will gone, (we store it in mem). And RM cannot
get started if we have some queue uses labels, and the labels don't exist in cluster.
> As what we discussed, we should have an explicitly way to let user specify if he/she
wants this feature or not. If node label is disabled, any operations trying to modify/use
node labels will throw exception.



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