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/ > > >