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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 mtime&atime fields down to iNodeFile.
Date Wed, 21 Dec 2011 10:51:30 GMT

    [ https://issues.apache.org/jira/browse/HDFS-2712?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13173999#comment-13173999
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Uma Maheswara Rao G commented on HDFS-2712:
-------------------------------------------

Agreed, we should leave mtime, as we are capturing the mtime while creating.
Also we will access the API getModficationTime api from INode, while logging the mkdir op
into Editlog.
Nicholas, what do you say?

                
> setTimes should support only for files and move the mtime&atime fields 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
>
> After the dicussion in HDFS-2436, unsupported behaviour for setTimes was intentional
(HADOOP-1869).
> But current INode structure hierarchy seems, it supports atime and mtime for directories
also. But as per HADOOP-1869, we are supporting only for files. To avoid the confusions, we
can move the mtime and 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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