On 8.1.2010, at 15.36, Steffen Kaiser wrote: > If I remember correctly, I made logs of the number of file descriptors of the > "dovecot" process; each time the number _almost_ reached the max (say one or > two are not allocated yet), I saw the stalls _and_ when I manually logged > off users (kill -15 imap-process) the number did not decreased. Well, not > much anyway. > Sort of, it looked like a fd leak.
If Dovecot runs out of file descriptors, it logs an error. So the most important part: Check if there are any errors in logs. http://wiki.dovecot.org/Logging