Bron Gondwana: > On Sun, Oct 09, 2011 at 04:42:25PM -0400, vg_ us wrote: > > will postmark transaction test do? here - > > http://www.phoronix.com/scan.php?page=article&item=linux_2639_fs&num=1 > > Oh: > > http://blog.goolamabbas.org/2007/06/17/postmark-is-not-a-mail-server-benchmark/ > > "Thus it pains me a lot that they are trying to pass of a > benchmark (Postmark) which does not have a single fsync(2) > as appropiate for a mail server. " > > And that other benchmark posted earlier had barriers turned > off. Anything that benchmarks without fsync is a lie, because > it can create the file, do something with it, and unlink without > ever having written a byte down to storage. Woo f'ing hoo.
Search for "postmark fsync" and the results are revealing. A benchmark that does not invoke fsync is meaningless for email server performance. Wietse