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From "Hadoop QA (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-3825) Need generalized multi-token filesystem support
Date Fri, 10 Feb 2012 18:46:59 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-3825?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13205623#comment-13205623
] 

Hadoop QA commented on MAPREDUCE-3825:
--------------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12514135/TokenCache.pdf
  against trunk revision .

    +1 @author.  The patch does not contain any @author tags.

    -1 tests included.  The patch doesn't appear to include any new or modified tests.
                        Please justify why no new tests are needed for this patch.
                        Also please list what manual steps were performed to verify this patch.

    -1 patch.  The patch command could not apply the patch.

Console output: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/1836//console

This message is automatically generated.
                
> Need generalized multi-token filesystem support
> -----------------------------------------------
>
>                 Key: MAPREDUCE-3825
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3825
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: security
>    Affects Versions: 0.23.1, 0.24.0
>            Reporter: Daryn Sharp
>            Assignee: Daryn Sharp
>         Attachments: MAPREDUCE-3825.patch, TokenCache.pdf
>
>
> This is the counterpart to HADOOP-7967.  The token cache currently tries to assume a
filesystem's token service key.  The assumption generally worked while there was a one to
one mapping of filesystem to token.  With the advent of multi-token filesystems like viewfs,
the token cache will try to use a service key (ie. for viewfs) that will never exist (because
it really gets the mounted fs tokens).

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