Thanks for the prompt response.
________________________________
From: Konstantin Shvachko <shv.had...@gmail.com>
To: hdfs-user@hadoop.apache.org
Sent: Thu, November 11, 2010 2:18:07 PM
Subject: Re: atime for a directory
Yes HDFS supports aTime only for files. Support for directories would be too
expensive.
Thanks,
--Konstantin
On Thu, Nov 11, 2010 at 12:44 AM, Vivekanand Vellanki <ganj...@yahoo.com> wrote:
Hi,
>
>
>I was looking at the test cases for HDFS and found the following test
>- org.apache.hadoop.hdfs.TestSetTimes.testTimes
>
>
>From the below, it appears that getAccessTime() for a directory should return
>0.
>Is this true?
>
>
> System.out.println("Creating testdir1 and testdir1/test1.dat.");
> Path dir1 = new Path("testdir1");
> Path file1 = new Path(dir1, "test1.dat");
> FSDataOutputStream stm = writeFile(fileSys, file1, replicas);
> FileStatus stat = fileSys.getFileStatus(file1);
> long atimeBeforeClose = stat.getAccessTime();
> String adate = dateForm.format(new Date(atimeBeforeClose));
> System.out.println("atime on " + file1 + " before close is " +
> adate + " (" + atimeBeforeClose + ")");
> assertTrue(atimeBeforeClose != 0);
> stm.close();
>
>
><snip>
>
>
> //
> // record dir times
> //
> stat = fileSys.getFileStatus(dir1);
> long mdir1 = stat.getAccessTime();
> assertTrue(mdir1 == 0);
>
>
>thanks
>Vivek
>
>
>
