Re: Cyrus IMAP performance problems [Long]

2007-10-29 Thread Stephan A. Rickauer
On Tue, Oct 16, 2007 at 01:18:07PM -0300, Marcus Andree wrote: Got similar problems with imap once, a long time ago... Had to switch from mailbox format to maildir then, it wasn't Cyrus. -- Stephan A. Rickauer --- Institute of Ne

Re: Cyrus IMAP performance problems [Long]

2007-10-17 Thread Chris Cappuccio
dovecot works really well for me on openbsd. i've only used it with maildir format but with a bit of attention to the documentation and mail list gave me every bit of information i could possibly use and the performance is simply EXCELLENT compared to courier (or especially uw-imap.) Samuel Mo?u

Re: Cyrus IMAP performance problems [Long]

2007-10-16 Thread Antoine Jacoutot
On Tue, 16 Oct 2007, Samuel Moqux wrote: > It seems that Francesco pointed me in the right direction in a private > message. Cyrus in OpenBSD can't use mmap since it assumes that changes > in an mmaped file are inmediately seen by VFS system calls. OpenBSD >From the cyrus-imapd OpenBSD pkg DESCR:

Re: Cyrus IMAP performance problems [Long]

2007-10-16 Thread Samuel Moñux
It seems that Francesco pointed me in the right direction in a private message. Cyrus in OpenBSD can't use mmap since it assumes that changes in an mmaped file are inmediately seen by VFS system calls. OpenBSD hasn't an unified buffer and page cache so this semantic requirement of mmap isn't met (r

Re: Cyrus IMAP performance problems [Long]

2007-10-16 Thread Marcus Andree
Got similar problems with imap once, a long time ago... Had to switch from mailbox format to maildir

Cyrus IMAP performance problems [Long]

2007-10-16 Thread Samuel Moñux
Hello everyone, I running into some problems with a Cyrus Imap server. A year ago I asked about sizing the server and it was defined as "overkill" (Dell 1850, Perc 4e/DC, 4 300GB 10krpm disks in Raid 10) for 300 users, but now I'm suffering of really high loads and performance problems. I think it