@binhex - I have the same issue. It's happening everyday. I have around 2500 torrents and I have plenty of CPU and RAM. Docker is running on SSD - I am not sure what seems to be the problem.
2022-11-11 20:18:50,986 WARN received SIGTERM indicating exit request
2022-11-11 20:18:51,000 DEBG killing watchdog-script (pid 193) with signal SIGTERM
2022-11-11 20:18:51,001 INFO waiting for logrotate-script, rutorrent-script, shutdown-script, start-script, watchdog-script to die
2022-11-11 20:18:51,745 DEBG fd 31 closed, stopped monitoring <POutputDispatcher at 22893222987616 for <Subprocess at 22893222987568 with name watchdog-script in state STOPPING> (stdout)>
2022-11-11 20:18:51,745 DEBG fd 35 closed, stopped monitoring <POutputDispatcher at 22893223035088 for <Subprocess at 22893222987568 with name watchdog-script in state STOPPING> (stderr)>
2022-11-11 20:18:51,745 INFO stopped: watchdog-script (terminated by SIGTERM)
2022-11-11 20:18:51,746 DEBG received SIGCHLD indicating a child quit
2022-11-11 20:18:51,746 DEBG killing start-script (pid 192) with signal SIGTERM
2022-11-11 20:18:52,746 DEBG fd 26 closed, stopped monitoring <POutputDispatcher at 22893222989536 for <Subprocess at 22893222987376 with name start-script in state STOPPING> (stdout)>
2022-11-11 20:18:52,747 DEBG fd 30 closed, stopped monitoring <POutputDispatcher at 22893222989392 for <Subprocess at 22893222987376 with name start-script in state STOPPING> (stderr)>
2022-11-11 20:18:52,747 INFO stopped: start-script (terminated by SIGTERM)
2022-11-11 20:18:52,747 DEBG received SIGCHLD indicating a child quit
2022-11-11 20:18:52,747 DEBG killing shutdown-script (pid 188) with signal SIGTERM
2022-11-11 20:18:52,747 DEBG 'shutdown-script' stdout output:
[info] Initialising shutdown of process(es) 'nginx: master process,^/usr/bin/rtorrent' ...
2022-11-11 20:18:53,565 DEBG fd 16 closed, stopped monitoring <POutputDispatcher at 22893222988624 for <Subprocess at 22893222986992 with name rutorrent-script in state RUNNING> (stdout)>
2022-11-11 20:18:53,565 DEBG fd 20 closed, stopped monitoring <POutputDispatcher at 22893222988672 for <Subprocess at 22893222986992 with name rutorrent-script in state RUNNING> (stderr)>
2022-11-11 20:18:53,565 INFO exited: rutorrent-script (exit status 0; expected)
2022-11-11 20:18:53,565 DEBG received SIGCHLD indicating a child quit
2022-11-11 20:18:54,566 INFO waiting for logrotate-script, shutdown-script to die
2022-11-11 20:18:57,570 INFO waiting for logrotate-script, shutdown-script to die
2022-11-11 20:19:00,572 INFO waiting for logrotate-script, shutdown-script to die
