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From "Colin Patrick McCabe (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-10942) Globbing optimizations and regression fix
Date Mon, 11 Aug 2014 20:56:11 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-10942?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14093278#comment-14093278
] 

Colin Patrick McCabe commented on HADOOP-10942:
-----------------------------------------------

bq. Colin Patrick McCabe, could you take a look since you made most of the changes after my
0.23 overhaul?

Will take a look.  I was on vacation last week so that's why I haven't responded til now

> Globbing optimizations and regression fix
> -----------------------------------------
>
>                 Key: HADOOP-10942
>                 URL: https://issues.apache.org/jira/browse/HADOOP-10942
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: fs
>    Affects Versions: 3.0.0, 2.1.0-beta
>            Reporter: Daryn Sharp
>            Assignee: Daryn Sharp
>            Priority: Critical
>         Attachments: HADOOP-10942.patch
>
>
> When globbing was commonized to support both filesystem and filecontext, it regressed
a fix that prevents an intermediate glob that matches a file from throwing a confusing permissions
exception.  The hdfs traverse check requires the exec bit which a file does not have.
> Additional optimizations to reduce rpcs actually increases them if directories contain
1 item.



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