On Sat, 2010-06-26 at 01:02 +0100, Timo Sirainen wrote: > On 26.6.2010, at 0.57, Noel Butler wrote: > > > As I mentioned earlier It doesnt with squirrelmail, I tried it on > > production and the I/O increased a bit, watching logging alone was > > giving me a > > headache (no, not in debug mode either).. > > How much is "a bit" that the I/O increased? Less than 10%? >
perhaps around the 10-15% (see below) > > So I thought I'd try it on a dev box, in case the cache wasnt large > > enough, but nope, incidentally imap with evolution works as you indicate > > it should, but webmail, not a hope in ..... it is login -action logout > > constantly, imapproxy avoids all this crud, so it obviously does > > something differently, maybe you find that and incorporate it in > > dovecot :) that way all this login logout stuff is only seen in say, > > debug mod? > > It still sounds like the only problem you have is the excessive log > messages?.. Sure, Dovecot doesn't even try to get rid of those. > this likely is the sole reason for the I/O increase, but yes. Oh and the local (replicated) DB was seeing maybe 40 requests a second rather than only a few, no big deal there though.