On Thu, Feb 9, 2012 at 3:51 PM, Stan Hoeppner <s...@hardwarefreak.com> wrote: > On 2/8/2012 8:24 PM, Bill Cole wrote: > >> I would stay away from btrfs until it is much more mature. As a general >> rule (very general) mail systems stress allocation and metadata >> efficiency more than sustained data flow, so you'd want to avoid options >> like the older versions of XFS. > > "older versions of XFS" in this context would be kernel versions 2.6.35 > and earlier. 2.6.36 introduced the delayed logging patch which makes > XFS metadata performance equal to and greater than EXT4, depending on > concurrency level. At 8 threads or more XFS with delaylog has the best > metadata performance of any Linux FS.
Thanks for the info! Do you use XFS for all/part of your mail system(s)? Any other helpful hints or anecdotes? Thank you