On Fri, Sep 21, 2007 at 07:51:22AM +0200, Pascal Gienger wrote: > (*) 100k mailboxes and a webmail application which often LOGINs and > SELECTs, multiple times per webpage reload. http://cyrus.brong.fastmail.fm/patches/cyrus-statuscache-2.3.8.diff This cuts back on meta IO traffic considerably for repeated SELECT calls on mailboxes which are unchanged. We are in a similar boat, and it makes a huge difference (also for some other clients) Bron. ---- Cyrus Home Page: http://cyrusimap.web.cmu.edu/ Cyrus Wiki/FAQ: http://cyrusimap.web.cmu.edu/twiki List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html