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Date: Wed, 23 Dec 2009 00:49:30 +0000 (UTC)
From: "Devaraj Das (JIRA)" <jira@apache.org>
To: mapreduce-issues@hadoop.apache.org
Subject: [jira] Updated: (MAPREDUCE-744) Support in DistributedCache to
 share cache files with other users after HADOOP-4493
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     [ https://issues.apache.org/jira/browse/MAPREDUCE-744?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Devaraj Das updated MAPREDUCE-744:
----------------------------------

    Attachment: 744-4.patch

bq. 1. DistributedCache.get*Visibiliteies - are deprecated. Why do we add deprecated methods?
MAPREDUCE-982 needs to be fixed for me to not have the deprecated methods. But i will think about if we can avoid it in any way.

bq. 2. Do we need separate call for determineFile/ArchiveVisability. It can be determined while calling DistributedCache.addCacheArchive/File()
I don't have a strong preference for this either way but it seems clearer to me to keep it the way i currently have..

bq. 3. private static isPublic() should be called differently - something like haveOtherPermissions(Perm), to match its functionality. Some comments would help too.
Done

bq. 4. public methods should have javadoc comments (determineCacheVisibilities() in TrackerDistributedCacheManager)
Done

bq. 5. this line: File workDir = new File(new Path(TEST_ROOT_DIR, "workdir").toString());  can be changed
Done

> Support in DistributedCache to share cache files with other users after HADOOP-4493
> -----------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-744
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-744
>             Project: Hadoop Map/Reduce
>          Issue Type: Sub-task
>          Components: tasktracker
>            Reporter: Vinod K V
>            Assignee: Devaraj Das
>             Fix For: 0.22.0
>
>         Attachments: 744-1.patch, 744-2.patch, 744-3.patch, 744-4.patch, 744-early.patch
>
>
> HADOOP-4493 aims to completely privatize the files distributed to TT via DistributedCache. This jira issues focuses on sharing some/all of these files with all other users.

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