Am Donnerstag, 17. November 2011, 22:30:07 schrieb Andy Robbins: > We are currently experiencing performance issue with our Dovecot > system which we believe is caused by excessive writes to the dovecot > files. The confusing thing is that we are seeing more writes than > reads on our Dovecot volume when you would assume that most of the > IO should be reads from customers checking their mail.
Yes, but your read-requests are answered from your local kernel-buffer / cache and aren't really read from your hard-disk. (At least if you have enough free memory for a cache, that's large enought.) Incoming mails ARE written on the disk, but read later on just from your cache. Peer -- Heinlein Professional Linux Support GmbH Linux: Akademie - Support - Hosting http://www.heinlein-support.de Tel: 030 / 40 50 51 - 0 Fax: 030 / 40 50 51 - 19 Zwangsangaben lt. §35a GmbHG: HRB 93818 B / Amtsgericht Berlin-Charlottenburg, Geschäftsführer: Peer Heinlein -- Sitz: Berlin
