Check out the bottom of this page:

http://wiki.apache.org/hadoop/DiskSetup


noatime is all we've done in our environment.  I haven't found it worth the
time to optimize further since we're CPU bound in most of our jobs.


-paul

On Thu, Oct 8, 2009 at 3:26 PM, Stas Oskin <stas.os...@gmail.com> wrote:

> Hi.
>
> Thanks for the info.
>
> What about JFS, any idea how well it compares to XFS?
>
> From what I read, JFS is considered more stable then XFS, but less
> performing, so I wonder if this true.
>
> Also, Ext4 is around the corner and was recently accepted into kernel, so I
> wonder if anyone knows about this one.
>
> Regards.
>
> 2009/10/8 Tom Wheeler <tomwh...@gmail.com>
>
> > As an aside, there's a short article comparing the two in the latest
> > edition of Linux Journal.  It was hardly scientific, but the main
> > points were:
> >
> >  - XFS is faster than ext3, especially for large files
> >  - XFS is currently unsupported on Red Hat Enterprise, but apparently
> > will be soon.
> >
> > On Thu, Oct 8, 2009 at 12:12 PM, Stas Oskin <stas.os...@gmail.com>
> wrote:
> > > Thanks for the info, question is whether XFS performance justifies
> > switching
> > > from the more common Ext3?
> >
> > --
> > Tom Wheeler
> > http://www.tomwheeler.com/
> >
>

Reply via email to