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Date: Wed, 21 Oct 2009 19:52:59 +0000 (UTC)
From: "Suresh Srinivas (JIRA)" <jira@apache.org>
To: hdfs-issues@hadoop.apache.org
Subject: [jira] Commented: (HDFS-654) HDFS needs to support new rename
 introduced for FileContext
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    [ https://issues.apache.org/jira/browse/HDFS-654?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12768388#action_12768388 ] 

Suresh Srinivas commented on HDFS-654:
--------------------------------------

Failed test TestFileAppend2.testComplexAppend  is unrelated to this change.

> HDFS needs to support new rename introduced for FileContext
> -----------------------------------------------------------
>
>                 Key: HDFS-654
>                 URL: https://issues.apache.org/jira/browse/HDFS-654
>             Project: Hadoop HDFS
>          Issue Type: New Feature
>    Affects Versions: 0.21.0
>            Reporter: Suresh Srinivas
>            Assignee: Suresh Srinivas
>             Fix For: 0.22.0
>
>         Attachments: hdfs-654.1.patch, hdfs-654.2.patch, hdfs-654.3.patch, hdfs-654.5.patch, hdfs-654.5.patch, hdfs-654.7.patch, HDFS-654.patch
>
>
> New rename functionality with different semantics to overwrite the existing destination was introduced for use in FileContext. Currently the default implementation in FileSystem is not atomic. This change implements atomic rename operation for use by FileContext.

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