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Date: Mon, 26 Oct 2009 22:26:59 +0000 (UTC)
From: "Robert Chansler (JIRA)" <jira@apache.org>
To: common-issues@hadoop.apache.org
Subject: [jira] Updated: (HADOOP-6304) Use
 java.io.File.set{Readable|Writable|Executable} where possible in
 RawLocalFileSystem
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     [ https://issues.apache.org/jira/browse/HADOOP-6304?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Robert Chansler updated HADOOP-6304:
------------------------------------

    Release Note: Dramatic reduction in the number of system fork() calls when permissions are set.

> Use java.io.File.set{Readable|Writable|Executable} where possible in RawLocalFileSystem 
> ----------------------------------------------------------------------------------------
>
>                 Key: HADOOP-6304
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6304
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: fs
>    Affects Versions: 0.20.1
>            Reporter: Arun C Murthy
>            Assignee: Arun C Murthy
>             Fix For: 0.20.2
>
>         Attachments: HADOOP-6304_yhadoop20.patch
>
>
> Using java.io.File.set{Readable|Writable|Executable} where possible in RawLocalFileSystem when g & o perms are same saves a lot of 'fork' system-calls.

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