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Date: Mon, 2 May 2016 03:28:12 +0000 (UTC)
From: "Lin Yiqun (JIRA)" <jira@apache.org>
To: hdfs-issues@hadoop.apache.org
Message-ID: <JIRA.12964181.1462146519000.82734.1462159692936@Atlassian.JIRA>
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References: <JIRA.12964181.1462146519000@Atlassian.JIRA> <JIRA.12964181.1462146519559@arcas>
Subject: [jira] [Commented] (HDFS-10352) Allow users to get last access time
 of a given directory
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archived-at: Mon, 02 May 2016 03:28:14 -0000


    [ https://issues.apache.org/jira/browse/HDFS-10352?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15266085#comment-15266085 ] 

Lin Yiqun commented on HDFS-10352:
----------------------------------

Hi, [~ericlin], I also agree with this. But I'm not sure about its performance when one directory has lots of children files and it maybe costs some time to traverse all children files and compare their time. And finally it return the result slowly. I'm glad to work for this if someone else also support this proposal.

> Allow users to get last access time of a given directory
> --------------------------------------------------------
>
>                 Key: HDFS-10352
>                 URL: https://issues.apache.org/jira/browse/HDFS-10352
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: fs
>    Affects Versions: 2.6.4
>            Reporter: Eric Lin
>            Priority: Minor
>
> Currently FileStatus.getAccessTime() function will return 0 if path is a directory, it would be ideal that if a directory path is passed, the code will go through all the files under the directory and return the MAX access time of all the files.


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