Hi,
I have a fedora38 system with dovecot-2.3.21 for a few hundred users and just
noticed there are 4000 dovecot/dict processes running:
2203938 ? S 0:15 dovecot/dict
or sleeping, as the case may be. Some time ago I installed the last_login_dict
plugin to record login details per user. Here is my config:
plugin {
last_login_dict = proxy::sql
last_login_key = last-login/%{service}/%{user}/%{remote_ip}
last_login_precision = ms
}
dict {
sql = mysql:/etc/dovecot/dovecot-dict-sql.conf.ext
}
There are about 1100 total entries in the last_login table, most of which are
localhost for webmail.
Is this all to be expected? I don't know how much in terms of resources these
4000 processes are utilizing, and although the system is virtually idle, it
does appear to be going into swap.
# free -h
total used free shared buff/cache
available
Mem: 62Gi 9.3Gi 2.5Gi 13Mi 51Gi
52Gi
Swap: 15Gi 4.4Gi 11Gi
Any ideas greatly appreciated.
Thanks,
Alex
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