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

Reply via email to