Did you already solve this? If not, just mail the strace output to me privately and I'll take a look at it.
On Fri, 2009-01-30 at 09:39 -0300, Mauricio López Riffo wrote: > Timo, > > What messages should be see? I execute the commands and shows a lot > of messages, i dont know what it means, i m not a programmer :) > > > Thanks > > ---- > > Mauricio López Riffo > Red Hat Certified Engineer > 804006455319519 > Netline Telecomunicaciones Chile > Los Conquistadores 2430, Providencia, Santiago. > Codigo Postal: 7530041 > Fono: +562 6560600 > Móvil: +569 90992366 > > > -----Mensaje original----- > > De: Timo Sirainen [mailto:[email protected]] > > Enviado el: jueves, 29 de enero de 2009 20:46 > > Para: [email protected]; Dovecot Mailing List > > Asunto: Re: [Dovecot] Concurrent POP3 Sessions Issues > > > > On Jan 29, 2009, at 1:17 PM, Mauricio López Riffo wrote: > > > > > I have problems with dovecot + ldap + nfs, we could't have more than > > > 20 concurrent sessions of pop3, when user 21 comes, the auth process > > > takes more than 1 sec and is incresing (while most users arrives, more > > > delay in > > > autenticacion exists) and my customers complaint about the service. > > > We need > > > support about 200 concurrents pop3 users, here is my details > > > > Someone else was recently complaining about the same thing. Or was it you? > Anyway, > > dovecot-auth doesn't know how many users are logged in so if the problem > really is 21 > > *concurrent users* instead of n logins/ second, I find it highly unlikely > that the problem is > > with authentication. > > > > My guess is that this has something to do with NFS. Perhaps start Dovecot > with strace -tt -f > > dovecot and then when it's slowing down see what syscall it says is > blocking. >
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