Re: [Dovecot] Degeneration of CPU Performance

2009-05-10 Thread Steffen Kaiser
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 login_process_per_connection: no login_process_size: 32 login_processes_count: 100 login_max_connections: 100 s. http://wiki.dovecot.org/LoginProcess "The maximum number of users logging in at the same time (+ SSL/TLS proxying connections) is log

Re: [Dovecot] Degeneration of CPU Performance

2009-05-09 Thread Miquel van Smoorenburg
On Thu, 2009-05-07 at 15:40 -0300, Thiago Monaco Papageorgiou wrote: > Hello everybody! > > We have a interesting issue about dovecot behavior here. First, the > scenario: > We have 2 server running with the same load, one with our old pop3 > solution (out of date) and other with Dovecot

Re: [Dovecot] Degeneration of CPU Performance

2009-05-08 Thread Timo Sirainen
On Fri, 2009-05-08 at 17:11 -0300, Thiago Monaco Papageorgiou wrote: > This is a snapshot of a top : > %CPU %MEM > 60.4 1.8 495:12.52 dovecot Oh, the dovecot master process is eating the CPU. That's interesting. This is the first time I've heard it doing that. What does it show when you do st

Re: [Dovecot] Degeneration of CPU Performance

2009-05-08 Thread Thiago Monaco Papageorgiou
hi Steffen, thanks for your reply. Below my replies: Steffen Kaiser wrote: -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 v1.1.6 is pretty old, though. Right! update is my next step What's hashdir? Maybe this is a performance killer? This run in the mail process and it is killed after the en

Re: [Dovecot] Degeneration of CPU Performance

2009-05-08 Thread Thiago Monaco Papageorgiou
Hi Curtis, thanks for your replies. below my replies: Curtis Maloney wrote: Are your using leaving mail on the server? If not, you may find it advantageous to disable the indexing, since it's of no real use for "drive by collect" mail. Yes, we have some users that leave the messages in the

Re: [Dovecot] Degeneration of CPU Performance

2009-05-08 Thread Charles Marcus
On 5/8/2009, Steffen Kaiser (skdove...@smail.inf.fh-brs.de) wrote: >> I looked for some bugs about this, but I didn't find anything. The question > v1.1.6 is pretty old, though. Yeah, and a lot of the fixes since then were NFS related... I'd upgrade and see if it fixes it (can't hurt in any cas

Re: [Dovecot] Degeneration of CPU Performance

2009-05-08 Thread Steffen Kaiser
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On Thu, 7 May 2009, Thiago Monaco Papageorgiou wrote: I looked for some bugs about this, but I didn't find anything. The question v1.1.6 is pretty old, though. I attached dovecot -n output. Two important information: we store the mailboxes in NF

Re: [Dovecot] Degeneration of CPU Performance

2009-05-07 Thread Curtis Maloney
Thiago Monaco Papageorgiou wrote: We have 2 server running with the same load, one with our old pop3 solution (out of date) and other with Dovecot. We realized that dovecot are comsuming more CPU, and this consumption is growing day by day. When we starts dovecot, it runs between 40%-45% of