Hi, I am running FreeBSD 12.0-RELEASE-p10.
This is a mailserver with lots of users, with postfix, dovecot, nginx + php-fpm, roundcube webmail.
I needed to restart dovecot service, after changing a parameter.
I used this command
and went fine.
Anyway, after serveral minutes, I still see lots of imap/pop3 login processes.
I tried to kill (
They are still visible with
This is my top output (first lines)
file system is ZFS with a big mail spool (about 5 TB).
In the past days, I noticed an higher load, but I never encountered a scenario like this (I mean: can't kill processes).
I need some help to figure what is happening, thank you very much
This is a mailserver with lots of users, with postfix, dovecot, nginx + php-fpm, roundcube webmail.
I needed to restart dovecot service, after changing a parameter.
I used this command
# /usr/local/etc/rc.d/dovecot stopand went fine.
Anyway, after serveral minutes, I still see lots of imap/pop3 login processes.
I tried to kill (
kill -9 PID or killall -9 imap or killall -9 imap-login) but it seems I can't kill such processes.They are still visible with
ps aux. # ps aux | grep imap | wc
805 8856 66007 # ps aux | grep pop3 | wc
1025 11276 84047This is my top output (first lines)
Code:
last pid: 24116; load averages: 0.25, 0.38, 1.13 up 3+08:15:42 00:58:07
1939 processes:1 running, 1937 sleeping, 1 stopped
CPU: 0.4% user, 0.0% nice, 1.6% system, 0.2% interrupt, 97.9% idle
Mem: 171M Active, 5334M Inact, 60M Laundry, 8098M Wired, 2247M Free
ARC: 3690M Total, 1792M MFU, 1276M MRU, 30M Anon, 67M Header, 525M Other
701M Compressed, 2764M Uncompressed, 3.95:1 Ratio
Swap: 16G Total, 16G Free
PID USERNAME THR PRI NICE SIZE RES STATE C TIME WCPU COMMAND
817 root 1 20 0 27M 8968K select 0 15:31 1.65% snmpd
24116 root 1 20 0 18M 7940K CPU0 0 0:00 0.83% top
51917 sugo 1 20 0 20M 8952K select 1 0:01 0.01% sshd
854 ntpd 1 20 0 18M 18M select 1 0:19 0.01% ntpd
890 mailnull 4 20 0 59M 30M select 1 15:22 0.00% opendkim
1060 root 2 20 0 36M 18M select 0 44:44 0.00% bareos-fd
15223 root 1 21 0 33M 24M kqread 1 14:49 0.00% config
752 root 1 20 0 11M 2656K select 0 7:06 0.00% syslogd
15222 root 1 20 0 13M 4320K kqread 0 3:44 0.00% log
78339 postfix 1 20 0 34M 24M zfsvfs 1 1:15 0.00% imap
82904 postfix 1 20 0 44M 16M zfsvfs 0 0:32 0.00% imap
85451 postfix 1 20 0 53M 23M zfs 0 0:30 0.00% imap
78103 root 2 20 0 5658M 226M STOP 1 0:30 0.00% java
87167 postfix 1 20 0 32M 13M zfsvfs 0 0:27 0.00% imap
14204 postfix 1 20 0 22M 11M dn->dn 1 0:19 0.00% imap
59532 root 1 20 0 29M 10M dn->dn 0 0:12 0.00% virtual
15585 postfix 1 20 0 17M 8312K dn->dn 1 0:11 0.00% imap
15809 postfix 1 20 0 20M 7604K zfs 0 0:10 0.00% imap
59866 root 1 20 0 29M 10M dn->dn 1 0:10 0.00% virtual
88251 postfix 1 20 0 15M 5760K zfs 0 0:09 0.00% imap
61929 root 1 20 0 29M 10M dn->dn 0 0:08 0.00% virtual
64431 postfix 1 20 0 31M 22M zfs 0 0:07 0.00% imapfile system is ZFS with a big mail spool (about 5 TB).
In the past days, I noticed an higher load, but I never encountered a scenario like this (I mean: can't kill processes).
I need some help to figure what is happening, thank you very much