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From "Uma Maheswara Rao G (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-2712) setTimes should support only for files and move the atime field down to iNodeFile.
Date Fri, 23 Dec 2011 18:54:31 GMT

    [ https://issues.apache.org/jira/browse/HDFS-2712?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13175537#comment-13175537
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Uma Maheswara Rao G commented on HDFS-2712:
-------------------------------------------

1st Patch : HDFS-2712 
1) UnsupportedActionException will be thrown if we try to setTimes on directories
2) Moved the atime field to iNodeFile obj.
3) also moved atime down to iNodeSymlink, i am not sure whether really a time required on
iNodeSymlink. But not to break any functionality, i just added atime to it as well.


Thanks
Uma
                
> setTimes should support only for files and move the atime field down to iNodeFile.
> ----------------------------------------------------------------------------------
>
>                 Key: HDFS-2712
>                 URL: https://issues.apache.org/jira/browse/HDFS-2712
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: name-node
>    Affects Versions: 0.23.0, 0.24.0
>            Reporter: Uma Maheswara Rao G
>            Assignee: Uma Maheswara Rao G
>         Attachments: HDFS-2712.patch
>
>
> After the dicussion in HDFS-2436, unsupported behaviour for setTimes was intentional
(HADOOP-1869).
> But current INode structure hierarchy seems, it supports atime for directories also.
But as per HADOOP-1869, we are supporting only for files. To avoid the confusions, we can
move the atime fields to INodeFile as we planned to support setTimes only for files. And also
restrict the support for setTimes on directories ( which is implemented with HDFS-2436 ).

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