Hello Everyone,
Todays morning wasnt as good as yesterday. I just have been triggered that FortiWeb 600D has high CPU usage and some services arent running. So I started SSH session to check basic debug commands and saw that "7402m 46.6 0 77.5 /bin/proxy" <--- this process was taking most of CPU load peak were to 90%. Im wonder what could be the issue. There was no high traffic, a few hundreds of sessions which nothing for this WAF model.
Lastly I did software upgrade from 7.0.x to 7.0.10 so it wasnt big upgrade. Im not sure if there is a bug in this version, release note didnt mentioned anything that would indicate problems with proxy process or high cpu usage. So I started to disable security profiles - "cookie security" and suddenly CPU load dropped to few %. Do you have some advice how to troubleshoot it further? what commadns are useful?
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Hi Romank
Hope this helps:
Created on 06-03-2024 05:53 AM Edited on 06-03-2024 05:54 AM
im still investigating it. ProxyD seems to consume a lots of CPU resources. I did kill process i helped for a few minutes..
These are the most:
11657 1 root S 3813m 24.0 3 3.2 /bin/proxyd
3816 3736 root S 2214m 13.9 2 2.6 /bin/mysqld --defaults-file=/data/etc/mysql/my-fortiweb.cnf --skip-grant-tables --user=root
Hi Romank
On my FWB the two mentioned processes consume no more than 1%.
I don't know what is proxyd (maybe the reverse proxy daemon?), while I guess the "mysqld my-fortiweb.cnf" is the FWB's internal DB.
In such case I'd do as you did, I mean disable feature by feature to try find which one is consuming CPU.
If this doesn't work then I'd open a ticket.
Just in case the FWB is not under support contract, I'd then backup the config, factory reset, then restore the config.
Hello romank,
You could use "diagnose system top delay 1" and press 1 on the keyboard to verify which CPU core is busy. "diagnose system perf top" tells you about functions being used across all CPUs.
Thanks.
Regards,
Shafiq
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