Re: [Dovecot] Effects of migration

2008-03-05 Thread Timo Sirainen
On Wed, 2008-03-05 at 23:02 -0500, Andy Dills wrote: > > Have you thought about enabling Squat indexes? I'd like to know how much > > it would affect I/O and CPU usage in larger installations. CPU grows > > (maybe a lot) but searches should be faster and use very little I/O as a > > result. > > By

Re: [Dovecot] Effects of migration

2008-03-05 Thread Andy Dills
On Thu, 6 Mar 2008, Timo Sirainen wrote: > On Wed, 2008-03-05 at 11:23 -0500, Andy Dills wrote: > > > 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. > > Have you th

Re: [Dovecot] Effects of migration

2008-03-05 Thread Timo Sirainen
On Wed, 2008-03-05 at 11:23 -0500, Andy Dills wrote: > 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. Have you thought about enabling Squat indexes? I'd like to know how

Re: [Dovecot] Effects of migration

2008-03-05 Thread Jose Celestino
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 adj