On Wed, Oct 16, 2002 at 11:39:01AM +0000, JP Howard wrote: > Interesting. The AC tree tends to be a bit more bleeding edge--are you > comfortable using it on production mail servers? Well, I guess you must > be, given that's what you're doing! It "seems to work". So that's OK. > Any ideas if it's one of more of the AC patches, or something else in the > .20 patches, that's the source of your success? It's hard to tell. We're using Courier IMAP and Postfix. Large amounts of the load were coming from the disk I/O, since the box is idle cpu wise. > We've installed the > 'all-in-one' patch to bring Ext3 up to that in .20, but haven't seen much > performance impact compared to .19. > > We're also testing ResiserFS (with Chris Mason's data logging patches) on > one of our servers. Our stress testing suggests that it performs well, > but we'll have to see how it performs in a real world situation... My experiences with ReiserFS are: If you're willing to tolerate total data loss, it's ok. Also, ReiserFS uses "data=writeback" (in ext3-speak), so it's faster than "data=ordered". -- Ralf Hildebrandt (Im Auftrag des Referat V a) Ralf.Hildebrandt@charite.de Charite Campus Mitte Tel. +49 (0)30-450 570-155 Referat V a - Kommunikationsnetze - Fax. +49 (0)30-450 570-916 Why you can't find your system administrators: (S)he's looking up the BOFH excuse of the day. _______________________________________________ Ext3-users@redhat.com https://listman.redhat.com/mailman/listinfo/ext3-users
