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.
Hope this helps, Chris
Jeff A. Earickson wrote:
Help!
Our students are back and they are pounding my dovecot server to death (ie "Login process died too early - shutting down" or "too many open files" type crash). I've had my third crash today.
My setup: Solaris 10, imap and imaps, 3K users coming in via horde webmail. My current connection settings are:
login_max_processes_count = 2048 login_max_connections = 4096
Q: Does raising these limits actually make my problem worse or better? Are there any other variables that I should change to prevent the "too many open files"? Suggestions?
Jeff Earickson Colby College
-- --+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+- Christopher Wakelin, c.d.wakelin@reading.ac.uk IT Services Centre, The University of Reading, Tel: +44 (0)118 378 8439 Whiteknights, Reading, RG6 2AF, UK Fax: +44 (0)118 975 3094