I've used XFS on Silicon Graphics machines and JFS on AIX systems -- both were quite fast and extremely reliable, though this long predates my use of Hadoop.
To your question, I recently came across a blog that compares performance of several Linux filesystems: http://log.amitshah.net/2009/04/re-comparing-file-systems.html I'd consider his results anecdotal unless the tests reflect the actual workload of a datanode, but since he's made the code available, you could probably adapt it yourself to get a better measure. On Thu, Oct 8, 2009 at 2:26 PM, Stas Oskin <[email protected]> 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. -- Tom Wheeler http://www.tomwheeler.com/
