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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1338) Recover localized resource cache state upon nodemanager restart
Date Wed, 28 May 2014 17:13:02 GMT

    [ https://issues.apache.org/jira/browse/YARN-1338?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14011325#comment-14011325
] 

Hadoop QA commented on YARN-1338:
---------------------------------

{color:green}+1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12647161/YARN-1338v6.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 16 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:green}+1 core tests{color}.  The patch passed unit tests in hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager.

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

Test results: https://builds.apache.org/job/PreCommit-YARN-Build/3844//testReport/
Console output: https://builds.apache.org/job/PreCommit-YARN-Build/3844//console

This message is automatically generated.

> Recover localized resource cache state upon nodemanager restart
> ---------------------------------------------------------------
>
>                 Key: YARN-1338
>                 URL: https://issues.apache.org/jira/browse/YARN-1338
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: nodemanager
>    Affects Versions: 2.3.0
>            Reporter: Jason Lowe
>            Assignee: Jason Lowe
>         Attachments: YARN-1338.patch, YARN-1338v2.patch, YARN-1338v3-and-YARN-1987.patch,
YARN-1338v4.patch, YARN-1338v5.patch, YARN-1338v6.patch
>
>
> Today when node manager restarts we clean up all the distributed cache files from disk.
This is definitely not ideal from 2 aspects.
> * For work preserving restart we definitely want them as running containers are using
them
> * For even non work preserving restart this will be useful in the sense that we don't
have to download them again if needed by future tasks.



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