[Dovecot] rc7 crashing under heavy load
Jeff A. Earickson
jaearick at colby.edu
Wed Sep 6 16:26:27 EEST 2006
Hey! Don't hijack somebody else's thread, think up a new subject line.
On Tue, 5 Sep 2006, billl at inetmsg.com wrote:
> Date: Tue, 5 Sep 2006 18:13:33 -0700
> From: billl at inetmsg.com
> To: dovecot at dovecot.org
> Subject: Re: [Dovecot] rc7 crashing under heavy load
> ----- Original Message ----- From: "Chris Wakelin"
> <c.d.wakelin at reading.ac.uk>
>> Too many open files - try increasing the number of file handles for the
>> Dovecot master process; I use "plimit -n 4096 <Dovecot master pid>"
>> Login process died too early - are you using NIS? It's too slow for
>> Dovecot, I think. We create a Dovecot "passwd-file" from NIS overnight and
>> then "HUP" the Dovecot master process to make it re-read it (we use it only
>> for UIDs, as we use pam-ldap to Active Directory for authentication, but it
>> could have the passwords in as well). Dovecot caches the passwd-file so
>> it's very quick.
> Chris, I am new to Dovecot and this list, and struggled this weekend to get
> Dovegot to authenticate the username against a "passwd-file" and using pam to
> authenticate the passwords. I was wondering if you could tell me what the
> format of the "passwd-file" should look like. I want to the username to be
> user at domain, and tried stripping the domain part for username/password
> authentication against pam, but that hasn't worked for me, so I thought I
> would use a "passwd-file" like your doing. Also, what does your dovecot.conf
> section look like for using a "passwd-file" and pam?
> Thanks for any help you can provide!
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