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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-6113) An ability to override LocalResourceVisibility for public resources
Date Mon, 29 Sep 2014 10:42:33 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-6113?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14151577#comment-14151577
] 

Hadoop QA commented on MAPREDUCE-6113:
--------------------------------------

{color:green}+1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12671774/MAPREDUCE-6113.patch
  against trunk revision b38e52b.

    {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-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-common
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core.

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

Test results: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/4921//testReport/
Console output: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/4921//console

This message is automatically generated.

> An ability to override LocalResourceVisibility for public resources
> -------------------------------------------------------------------
>
>                 Key: MAPREDUCE-6113
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6113
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: client, distributed-cache
>            Reporter: Andrey Stepachev
>            Assignee: Andrey Stepachev
>            Priority: Minor
>         Attachments: MAPREDUCE-6113.patch
>
>
> Currently it is impossible to specify APPLICATION level for files in distributed cache
in YARN. For applications with big common data it is very crucial to have ability to share
data only for application and not spam public cache. Moreover, public localiser is limited
for parallel downloads, so applications with big caches affect application startup of other
applications.
> Current logic is complicated and based on file permissions. Making proposed changes,
user can override public level to any level (PUBLIC/APP/PRIVATE) without breaking anything,
and even not need to bother with permission, if private cache is needed.



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