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From "dhruba borthakur (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HDFS-654) HDFS needs to support new rename introduced for FileContext
Date Sun, 27 Sep 2009 22:22:16 GMT

    [ https://issues.apache.org/jira/browse/HDFS-654?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12760119#action_12760119
] 

dhruba borthakur commented on HDFS-654:
---------------------------------------

Maybe I missed something, but does this do the right accounting for calculating the total
number of inodes in the filesystem(to ensure correct working of namespace quotas)?

> 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
>         Attachments: hdfs-654.1.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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