Hi. Thanks for the info, question is whether XFS performance justifies switching from the more common Ext3?
JBOD is a great approach indeed. Regards. 2009/10/8 Jason Venner <[email protected]> > I have used xfs pretty extensively, it seemed to be somewhat faster than > ext3. > > The only trouble we had related to some machines running the PAE 32 bit > kernels, where we the filesystems lockup. That is an obscure use case > however. > Running JBOD with your dfs.data.dir listing a directory on each device > speeds things up, as does keeping other users off of the disks/machine. > > > On Thu, Oct 8, 2009 at 4:37 AM, Stas Oskin <[email protected]> wrote: > > > Hi. > > > > I'm using the stock Ext3 as the most tested one, but I wonder, has > someone > > ever tried, or even using there days in production another file system, > > like > > JFS, XFS or even maybe Ext4? > > > > I'm exploring way to boost the performance of DataNodes, and this seems > as > > one of possible venues. > > > > Thanks for any info! > > > > > > -- > Pro Hadoop, a book to guide you from beginner to hadoop mastery, > http://www.amazon.com/dp/1430219424?tag=jewlerymall > www.prohadoopbook.com a community for Hadoop Professionals >
