hadoop-common-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Harsh J <qwertyman...@gmail.com>
Subject Re: File access pattern on HDFS?
Date Mon, 07 Mar 2011 09:24:31 GMT
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

On Mon, Mar 7, 2011 at 4:00 AM, Gautam Singaraju
<gautam.singaraju@gmail.com> wrote:
> Hi,
> Is there a mechanism to get the list of files accessed on HDFS at the
> NameNode?
> Thanks!
> ---
> Gautam

Harsh J

View raw message