On Mon, Oct 10, 2011 at 01:49:44AM +0300, karave...@mail.bg wrote: > I do not trust Postmark - it models mbox appending and skips > fsync-s. So it is too different from our setup. The best benchmark > tool I have found is imaptest (from dovecot fame) - it is actually > end to end benchmarking, including the IMAP server.
I use imaptest as something to throw against my Cyrus dev builds to check I haven't broken anything quickly. It's very good. Of course, I run those on tmpfs so my machine doesn't grind to a halt! > The last fs tests I have done were April and there is no > fundamental change in the filesystems since then. Make your > test and see yourself. The setup here was XFS so we changed > only a mount option - delaylog was not default before 2.6.39. > Ext4 is also a nice choice but we have problems with long fsck > times. Agree, long fsck times suck. Then again, we have very reliable UPS setup and multiple power supplies on separate UPSes for every machine. I think the last time we lost a single power channel was about 4 years ago, and I don't recall ever losing both channels. Bron.
