Here is a JIRA that talks about a file-change-log (but no work has been done
yet)

http://issues.apache.org/jira/browse/HDFS-1179

thanks,
dhruba

On Mon, Mar 7, 2011 at 1:24 AM, Harsh J <qwertyman...@gmail.com> wrote:

> There is no such information (history of atime changes, although atime
> is held for every file in the NN) held by the NameNode right now. I
> think HDFS-782 is slightly relevant to maintaining a 'hot-zone' info,
> although at a block level and among datanodes. I couldn't find a jira
> that talks about keeping a list of atime modifications on the
> NameNode.
>
> On Mon, Mar 7, 2011 at 4:00 AM, Gautam Singaraju
> <gautam.singar...@gmail.com> wrote:
> > Hi,
> >
> > Is there a mechanism to get the list of files accessed on HDFS at the
> > NameNode?
> > Thanks!
> > ---
> > Gautam
> >
>
>
>
> --
> Harsh J
> www.harshj.com
>



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