[Dovecot] dovecot-auth: Too many open files

[Timo Sirainen]

On Tue, 2007-10-23 at 13:16 -0400, Joe Allesi -X (joallesi - Coyote
Creek Consulting at Cisco) wrote:
> [version: dovecot-0.99.11-4.EL4.src.rpm]
> 
> We recently experienced an issue that prevented all new IMAP logins from
> occurring. Although it appears that it was due to running out of
> available system file descriptors, I'm still not sure what the true root
> cause was as I can't replicate the same error in our test environment.
> The system file descriptor max was set at (per `cat
> /proc/sys/fs/file-nr`) 380081 , and we're averaging around 7,000 in use.
> It appears that the main issue was dovecot-auth, so does this appear to
> fall in line with the known PAM bug in this version?

Check what the open files are: ls -l /proc/`pidof dovecot-auth`/fd/

Although I don't recommend using v0.99 even if you can fix this problem.

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