Words by Andy Dills [Wed, Mar 05, 2008 at 11:23:08AM -0500]: > > So, to follow up to my previous thread, we just successfully migrated our > NFS-based mail cluster from qmail pop, courier imap, and bincimap to > dovecot 1.1rc1. > > Overall the transition was very smooth, the only unexpected adjustment was > having to implement ntpd on each box, rather than doing an hourly ntpdate > against our local ntpd server, to prevent dovecot from crashing itself > from too much drift. > > The impact has been severe! Even with NFS-stored indexes, our netapp is > seeing 1/6th of the NFS ops per second, and its CPU utilization is now at > 1/3rd previous levels. >
Yeah. We went from a solution like yours to a based on dovecot imapd and we reduced the servers in 1/3 and the server load to half. Pretty impressive :) -- Jose Celestino ---------------------------------------------------------------- http://www.msversus.org/ ; http://techp.org/petition/show/1 http://www.vinc17.org/noswpat.en.html ---------------------------------------------------------------- "If you would have your slaves remain docile, teach them hymns." -- Ed Weathers ("The Empty Box")