Re: [Dovecot] o/s tuning for imap

2007-09-07 Thread Ken A
Kyle Wheeler wrote: On Thursday, September 6 at 02:59 PM, quoth Ken A: We found that on our server, *not* using imapproxy improved our performance. We used to use imapproxy to great effect when we were using BincIMAP, but Dovecot is so darn fast (and caches its own authentication) that all im

Re: [Dovecot] o/s tuning for imap

2007-09-07 Thread Kyle Wheeler
On Thursday, September 6 at 02:59 PM, quoth Ken A: We found that on our server, *not* using imapproxy improved our performance. We used to use imapproxy to great effect when we were using BincIMAP, but Dovecot is so darn fast (and caches its own authentication) that all imapproxy added was add

Re: [Dovecot] o/s tuning for imap

2007-09-06 Thread Ken A
Kyle Wheeler wrote: On Tuesday, September 4 at 08:26 PM, quoth Russell E. Meek: OS related tweaks, probably not. However you could utilize a imap proxy such as up-imapproxy which if using FreeBSD is in ports. Visit: http://www.imapproxy.org/ to learn more. This should relieve the load on Do

Re: [Dovecot] o/s tuning for imap

2007-09-06 Thread Kyle Wheeler
On Tuesday, September 4 at 12:16 PM, quoth Ken A: I'm switching from a pop3 only dovecot install to a pop3/imap install and I'm wondering how many connections every 100 'normal' imap users might have/keep open? Mmmm, I usually estimate that most of the time users keep one connection open. Oc

Re: [Dovecot] o/s tuning for imap

2007-09-06 Thread Kyle Wheeler
On Tuesday, September 4 at 08:26 PM, quoth Russell E. Meek: OS related tweaks, probably not. However you could utilize a imap proxy such as up-imapproxy which if using FreeBSD is in ports. Visit: http://www.imapproxy.org/ to learn more. This should relieve the load on Dovecot. We found tha

Re: [Dovecot] o/s tuning for imap

2007-09-05 Thread David Jonas
Ed W wrote: > >> http://wiki.dovecot.org/HowTo/ImapProxy >> >> Works quite well here. >> > > This is very interesting > > Does it work ok if you want to have one machine handle the nearly all > the normal IMAP traffic, but it has the ability to proxy a few users to > a different server? > >

Re: [Dovecot] o/s tuning for imap

2007-09-05 Thread Ed W
http://wiki.dovecot.org/HowTo/ImapProxy Works quite well here. This is very interesting Does it work ok if you want to have one machine handle the nearly all the normal IMAP traffic, but it has the ability to proxy a few users to a different server? ie do you need to set it up as a pr

Re: [Dovecot] o/s tuning for imap

2007-09-05 Thread David Jonas
Marcin Michal Jessa wrote: > Russell E. Meek wrote: >> Quoting Ken A <[EMAIL PROTECTED]>: >> >>> I'm switching from a pop3 only dovecot install to a pop3/imap install >>> and I'm wondering how many connections every 100 'normal' imap users >>> might have/keep open? I'm wondering if I need to tweak

Re: [Dovecot] o/s tuning for imap

2007-09-04 Thread Marcin Michal Jessa
Russell E. Meek wrote: > Quoting Ken A <[EMAIL PROTECTED]>: > >> I'm switching from a pop3 only dovecot install to a pop3/imap install >> and I'm wondering how many connections every 100 'normal' imap users >> might have/keep open? I'm wondering if I need to tweak any o/s related >> things, like ti

Re: [Dovecot] o/s tuning for imap

2007-09-04 Thread Russell E. Meek
Quoting Ken A <[EMAIL PROTECTED]>: I'm switching from a pop3 only dovecot install to a pop3/imap install and I'm wondering how many connections every 100 'normal' imap users might have/keep open? I'm wondering if I need to tweak any o/s related things, like time_wait, etc. Any pointers would be

[Dovecot] o/s tuning for imap

2007-09-04 Thread Ken A
I'm switching from a pop3 only dovecot install to a pop3/imap install and I'm wondering how many connections every 100 'normal' imap users might have/keep open? I'm wondering if I need to tweak any o/s related things, like time_wait, etc. Any pointers would be greatly appreciated. Thanks, Ken