>>>>> "filipe@digirati" == filipe@digirati com br <[email protected]> >>>>> writes:
filipe@digirati> I tested the suggestion to decrease the service_count and the accounts filipe@digirati> stopped logging in, then I gradually increased it to 500, and now it's filipe@digirati> working. But the dovecot/config processes are still being created, there filipe@digirati> has been no change for the better. So maybe you can give us more background on this setup. How many users are you supporting? How many mailboxes? What is your backend mailbox format? Maybe you need to share your dovecot config as well. Have you tried upgrading to 2.3.19.1 as well? So when you say "the accounts stopped logging in" does that mean your users started having problems logging into the system? Does that mean IMAP sessions timed out? filipe@digirati> Now I have an error constantly appearing in the mail.err file filipe@digirati> Aug 15 14:19:34 box6 dovecot: imap(USER_NAME): Error: Error reading filipe@digirati> configuration: read(/run/dovecot/config) failed: read(size=8192) failed: filipe@digirati> Interrupted system call - Also failed to read config by executing filipe@digirati> doveconf: /run/dovecot/config is a UNIX socket (path is from CONFIG_FILE filipe@digirati> environment) Have you stopped and completely restarted your dovecot setup when you made the config changes? filipe@digirati> Aug 15 14:19:34 box6 dovecot: imap(USER_NAME): Error: Error reading filipe@digirati> configuration: read(/run/dovecot/config) failed: read(size=8192) failed: filipe@digirati> Interrupted system call - Also failed to read config by executing filipe@digirati> doveconf: /run/dovecot/config is a UNIX socket (path is from CONFIG_FILE filipe@digirati> environment) filipe@digirati> Aug 15 14:19:34 box6 dovecot: imap(USER_NAME): Error: Error reading filipe@digirati> configuration: read(/run/dovecot/config) failed: read(size=8192) failed: filipe@digirati> Interrupted system call - Also failed to read config by executing filipe@digirati> doveconf: /run/dovecot/config is a UNIX socket (path is from CONFIG_FILE filipe@digirati> environment) filipe@digirati> On 14/08/2022 22:24, John Stoffel wrote: >>>>>>> "filipe@digirati" == filipe@digirati com br <[email protected]> >>>>>>> writes: >> filipe@digirati> I'm having strange behavior in dovecot 2.3.16. >> filipe@digirati> It's opening dozens of dovecot/config process and consuming >> all server >> filipe@digirati> memory. Normally each process consumes between 700Mb and >> 1Gb of ram. >> >> filipe@digirati> Would anyone have an idea about this? >> >> filipe@digirati> service config { >> filipe@digirati> vsz_limit = 2048M >> filipe@digirati> idle_kill = 60s >> filipe@digirati> service_count = 1024 >> filipe@digirati> } >> >> I wonder why you have the service count so high? I'd drop it down, or >> do you really have 1025 connections in 60 seconds? >> >> From the docs: >> >> >> service_count >> >> Number of client connections to handle until the process kills >> itself. 0 means unlimited. 1 means only a single connection is handled >> until the process is stopped - this is the most secure choice since >> there’s no way for one connection’s state to leak to the next one. For >> better performance this can be set higher, but ideally not unlimited >> since more complex services can have small memory leaks and/or memory >> fragmentation and the process should get restarted eventually. For >> example 100..1000 can be good values. >> >> So maybe drop it down to 100 for now and see how that works for you. >> >> >> filipe@digirati> pstree >> filipe@digirati> systemd─┬─ModemManager───2*[{ModemManager}] >> filipe@digirati> ├─agetty >> filipe@digirati> ├─cron >> filipe@digirati> ├─dbus-daemon >> filipe@digirati> ├─dovecot─┬─anvil >> filipe@digirati> │ ├─6*[auth] >> filipe@digirati> │ ├─46*[config] >> filipe@digirati> │ ├─1212*[imap] >> filipe@digirati> │ ├─155*[imap-login] >> filipe@digirati> │ ├─12*[lmtp] >> filipe@digirati> │ ├─38*[log] >> filipe@digirati> │ ├─10*[managesieve] >> filipe@digirati> │ ├─19*[pop3] >> filipe@digirati> │ ├─3*[pop3-login] >> filipe@digirati> │ └─18*[stats] >> >> >> filipe@digirati> root 45831 0.0 1.1 774688 752732 ? S 09:31 >> 0:31 >> filipe@digirati> dovecot/config >> filipe@digirati> root 388792 0.0 1.1 775060 753276 ? S 14:00 >> 0:15 >> filipe@digirati> dovecot/config >> filipe@digirati> root 510685 0.0 1.1 775384 753604 ? S 15:06 >> 0:20 >> filipe@digirati> dovecot/config >> filipe@digirati> root 675638 0.0 1.1 775348 753620 ? S 16:56 >> 0:15 >> filipe@digirati> dovecot/config >> filipe@digirati> root 795375 0.0 1.1 775460 753516 ? S 18:03 >> 0:07 >> filipe@digirati> dovecot/config >> filipe@digirati> root 798754 0.2 1.1 775592 753712 ? S 18:05 >> 0:30 >> filipe@digirati> dovecot/config >> filipe@digirati> root 1082696 0.2 1.1 774892 753216 ? S 21:10 >> 0:07 >> filipe@digirati> dovecot/config >> filipe@digirati> root 1098433 0.4 1.1 774924 753244 ? S 21:33 >> 0:07 >> filipe@digirati> dovecot/config >> filipe@digirati> root 1109255 0.9 1.1 774924 753344 ? S 21:50 >> 0:07 >> filipe@digirati> dovecot/config >> filipe@digirati> root 1112976 2.0 1.1 774956 753528 ? S 21:57 >> 0:07 >> filipe@digirati> dovecot/config >> filipe@digirati> root 1114137 3.0 1.1 775028 753308 ? S 21:59 >> 0:07 >> filipe@digirati> dovecot/config >> filipe@digirati> root 1115382 5.4 1.1 774924 753496 ? S 22:01 >> 0:06 >> filipe@digirati> dovecot/config >> filipe@digirati> root 1883627 0.0 1.1 759120 728832 ? S Aug11 >> 0:07 >> filipe@digirati> dovecot/config >> filipe@digirati> root 1889705 0.0 1.8 1251460 1221872 ? S Aug11 >> 0:11 >> filipe@digirati> dovecot/config >> filipe@digirati> root 1895022 0.0 1.8 1253280 1224284 ? S Aug11 >> 0:11 >> filipe@digirati> dovecot/config >> filipe@digirati> root 1900690 0.0 1.8 1255684 1227528 ? S Aug11 >> 0:12 >> filipe@digirati> dovecot/config >> filipe@digirati> root 1905648 0.0 1.8 1257880 1229912 ? S Aug11 >> 0:12 >> filipe@digirati> dovecot/config >> filipe@digirati> root 1910857 0.0 1.8 1259156 1231552 ? S Aug11 >> 0:12 >> filipe@digirati> dovecot/config >> filipe@digirati> root 1914332 0.0 1.1 764328 736552 ? S Aug11 >> 0:20 >> filipe@digirati> dovecot/config >> filipe@digirati> root 2343896 0.0 1.8 1259472 1231516 ? S Aug11 >> 0:12 >> filipe@digirati> dovecot/config >> filipe@digirati> root 2346351 0.0 1.8 1259472 1231836 ? S Aug11 >> 0:13 >> filipe@digirati> dovecot/config >> filipe@digirati> root 2348559 0.0 1.1 764704 736440 ? S Aug11 >> 0:14 >> filipe@digirati> dovecot/config >> filipe@digirati> root 2445701 0.0 1.1 764276 736540 ? S Aug11 >> 0:19 >> filipe@digirati> dovecot/config >> filipe@digirati> root 2572525 0.0 1.1 764640 736880 ? S Aug11 >> 0:18 >> filipe@digirati> dovecot/config >> filipe@digirati> root 2734251 0.0 1.1 764776 737696 ? S Aug11 >> 0:08 >> filipe@digirati> dovecot/config >> filipe@digirati> root 2740980 0.0 1.1 764768 737244 ? S Aug11 >> 0:17 >> filipe@digirati> dovecot/config >> filipe@digirati> root 2899925 0.0 1.1 764624 737760 ? S Aug11 >> 0:43 >> filipe@digirati> dovecot/config >> filipe@digirati> root 3517063 0.0 1.1 764984 738004 ? S Aug11 >> 0:09 >> filipe@digirati> dovecot/config >> filipe@digirati> root 3541465 0.0 1.1 765224 738756 ? S Aug11 >> 0:07 >> filipe@digirati> dovecot/config >> filipe@digirati> root 3545589 0.0 1.1 766452 740408 ? S Aug11 >> 0:06 >> filipe@digirati> dovecot/config >> filipe@digirati> root 3549259 0.0 1.1 766796 741048 ? S Aug11 >> 0:07 >> filipe@digirati> dovecot/config >> filipe@digirati> root 3553902 0.0 1.1 767812 742284 ? S Aug11 >> 0:07 >> filipe@digirati> dovecot/config >> filipe@digirati> root 3558080 0.0 1.1 768440 743524 ? S Aug11 >> 0:08 >> filipe@digirati> dovecot/config >> filipe@digirati> root 3562091 0.0 1.1 769224 744424 ? S Aug11 >> 0:07 >> filipe@digirati> dovecot/config >> filipe@digirati> root 3568721 0.0 1.1 769388 744888 ? S Aug11 >> 0:07 >> filipe@digirati> dovecot/config >> filipe@digirati> root 3573024 0.0 1.1 770048 745904 ? S Aug11 >> 0:08 >> filipe@digirati> dovecot/config >> filipe@digirati> root 3578416 0.0 1.1 770836 746736 ? S Aug11 >> 0:06 >> filipe@digirati> dovecot/config >> filipe@digirati> root 3581765 0.0 1.1 771948 748492 ? S Aug11 >> 0:06 >> filipe@digirati> dovecot/config >> filipe@digirati> root 3585837 0.0 1.1 772828 749860 ? S Aug11 >> 0:07 >> filipe@digirati> dovecot/config >> filipe@digirati> root 3590276 0.0 1.1 773560 750520 ? S Aug11 >> 0:07 >> filipe@digirati> dovecot/config >> filipe@digirati> root 3594640 0.0 1.1 774612 752552 ? S Aug11 >> 0:08 >> filipe@digirati> dovecot/config >> filipe@digirati> root 3597417 0.0 1.1 774968 753076 ? S Aug11 >> 0:35 >> filipe@digirati> dovecot/config >> filipe@digirati> root 4116314 0.0 1.9 1280496 1258580 ? S 05:31 >> 0:13 >> filipe@digirati> dovecot/config >> filipe@digirati> root 4118115 0.0 1.1 774688 752556 ? S 05:33 >> 0:16 >> filipe@digirati> dovecot/config >>
