We just had a case that server crashed because of messenger memory usage (160+ GBs or memory)...
Here is the relevan part of the process list...
Code: Select all
Output from ps:
USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
root 11754 0.2 0.0 280872 49724 ? Ss 00:00 2:04 lfd - sleeping
csf 11772 0.0 3.5 4917012 4678416 ? D 00:00 0:37 \_ lfd HTTPS messenger
root 14216 25.9 3.5 4915512 4721056 ? D 16:59 0:27 | \_ lfd HTTPS messenger client
root 14234 24.7 3.5 4915512 4721076 ? D 16:59 0:25 | \_ lfd HTTPS messenger client
root 14284 30.2 3.5 4915648 4721108 ? D 16:59 0:31 | \_ lfd HTTPS messenger client
root 14324 30.8 3.5 4915652 4721644 ? D 17:00 0:30 | \_ lfd HTTPS messenger client
root 14375 25.5 3.5 4915652 4721160 ? D 17:00 0:23 | \_ lfd HTTPS messenger client
root 14398 29.3 3.5 4915784 4708904 ? D 17:00 0:26 | \_ lfd HTTPS messenger client
root 14408 25.5 3.5 4915788 4708924 ? D 17:00 0:22 | \_ lfd HTTPS messenger client
root 14434 28.8 3.5 4915788 4711000 ? D 17:00 0:24 | \_ lfd HTTPS messenger client
root 14473 27.4 3.5 4915920 4713080 ? D 17:00 0:22 | \_ lfd HTTPS messenger client
root 14487 25.4 3.5 4915924 4675724 ? D 17:00 0:20 | \_ lfd HTTPS messenger client
root 14497 25.9 3.5 4916056 4690088 ? D 17:00 0:20 | \_ lfd HTTPS messenger client
root 14559 35.3 3.5 4916060 4721348 ? D 17:00 0:26 | \_ lfd HTTPS messenger client
root 14580 23.5 3.5 4916060 4616416 ? D 17:00 0:17 | \_ lfd HTTPS messenger client
root 14590 26.5 3.5 4916192 4636924 ? D 17:00 0:18 | \_ lfd HTTPS messenger client
root 14614 9.4 3.3 4916196 4448564 ? D 17:00 0:06 | \_ lfd HTTPS messenger client
root 14647 30.4 3.4 4916196 4569388 ? D 17:00 0:19 | \_ lfd HTTPS messenger client
root 14724 24.0 3.4 4916328 4575568 ? D 17:00 0:15 | \_ lfd HTTPS messenger client
root 14766 24.2 3.4 4916332 4598120 ? D 17:00 0:14 | \_ lfd HTTPS messenger client
root 14772 33.4 3.4 4916464 4585868 ? D 17:00 0:20 | \_ lfd HTTPS messenger client
root 14934 31.3 3.4 4916468 4579748 ? D 17:00 0:16 | \_ lfd HTTPS messenger client
root 14982 12.1 3.3 4916468 4418020 ? D 17:00 0:06 | \_ lfd HTTPS messenger client
root 15010 4.8 3.3 4916468 4407736 ? D 17:00 0:02 | \_ lfd HTTPS messenger client
root 15075 30.0 3.4 4916600 4530652 ? D 17:00 0:13 | \_ lfd HTTPS messenger client
root 15127 22.7 3.4 4916600 4510172 ? D 17:00 0:09 | \_ lfd HTTPS messenger client
root 15183 31.0 3.4 4916600 4538844 ? D 17:01 0:12 | \_ lfd HTTPS messenger client
root 15199 34.3 3.4 4916600 4522460 ? D 17:01 0:11 | \_ lfd HTTPS messenger client
root 15246 30.5 3.4 4916604 4532724 ? D 17:01 0:09 | \_ lfd HTTPS messenger client
root 15277 29.3 3.4 4916604 4493868 ? D 17:01 0:08 | \_ lfd HTTPS messenger client
root 15325 32.9 3.4 4916736 4538928 ? D 17:01 0:08 | \_ lfd HTTPS messenger client
root 15467 30.9 3.3 4916740 4477612 ? D 17:01 0:07 | \_ lfd HTTPS messenger client
root 15555 11.7 3.3 4916876 4432492 ? D 17:01 0:02 | \_ lfd HTTPS messenger client
root 15588 21.3 3.3 4916876 4440700 ? D 17:01 0:02 | \_ lfd HTTPS messenger client
root 15719 31.6 3.3 4916876 4428456 ? D 17:01 0:02 | \_ lfd HTTPS messenger client
root 15765 47.3 3.3 4917012 4415940 ? D 17:01 0:02 | \_ lfd HTTPS messenger client
root 15778 22.4 3.3 4917012 4411832 ? D 17:01 0:01 | \_ lfd HTTPS messenger client
csf 15902 2.5 3.3 4917012 4404328 ? D 17:01 0:00 | \_ lfd HTTPS messenger client
csf 11773 0.0 0.0 219916 31288 ? S 00:00 0:01 \_ lfd HTML messenger
csf 11775 0.0 0.0 219916 31272 ? S 00:00 0:00 \_ lfd TEXT messenger
Why every child processes use ~4,5 GB? Why every child process use ~25% CPU?
Why most of them are owned by root? They should all run as a separate user?
What can be the cause for such behavior?
This is CSF v10.14
Thanks.