Can you enable 'verbose_proctitle=yes' and maybe compare with ss -tp output?
Aki
On 08/01/2020 11:58 Eirik Rye <rye@domeneshop.no> wrote:
On 08/01/2020 10:49, Eirik Rye wrote:
[...]
In any case, the biggest issue is the one described in the original message in this thread, where logins are periodically failing for many for users:
2020-01-08T10:54:57.436400+01:00 imap dovecot: imap-login: Error: master(imap): net_connect_unix(imap) failed: Resource temporarily unavailable - http://wiki2.dovecot.org/SocketUnavailable 2020-01-08T10:54:57.437550+01:00 imap dovecot: imap-login: Internal login failure
At the same time:
~# ps aux | grep "dovecot/imap$" | wc -l 6637 ~# doveadm process status | grep "^imap " | wc -l 6660 ~# cat /proc/
pidof dovecot/limits | grep "open files" Max open files 32768 32768 files ~# doveconf -n [...] service imap-login { client_limit = 2500 inet_listener imap { port = 143 } inet_listener imaps { port = 993 ssl = yes } process_limit = 16 process_min_avail = 16 service_count = 0 vsz_limit = 512 M } service imap { client_limit = 1 process_limit = 20000 }-- Eirik