Archive > 19.7 Legacy Series

Maltrail consuming a lot of CPU after 19.7.3

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Northguy:
Not sure for my case, just noticed it. Meanwhile MT development committed a patch. @mimugmail, is there an advised way to apply the patch to the plugin? I don't think opnsense-patch can be applied to another repo?

mimugmail:
Which patch do you mean?

Northguy:
Hi,

Please refer to

https://github.com/stamparm/maltrail/commit/f71c5c7d02d47341f009d3d0f1dbf0ccb63f86ea

juliocbc:
@mimugmail

Apparently changing from `PROCESS_COUNT` to `USE_MULTIPROCESSING` solved my problem with very high CPU usage.

Makes any sense to you?

ref.: https://github.com/cloudfence/plugins/commit/e878c035a465882d186e5c9181f827b5c21e177d

juliocbc:
Tests with APU2e4 (quadcore / 4GB RAM) -  OPNsense 19.7.8-amd64

Running with:

-100Mb + 60 Mb WANs
-4 VLANs
-1 Site to Site OpenVPN
-Plugins: Ngnix, Let's encrypt, Proxy (with Cloudfence's Webfilter), haproxy, FTPProxy;
-ARP Table: 51 entries;

Maltrail only with sensor running (We use a dedicated Maltrail Server here) with custom configuration:

--- Code: ---PROCESS_COUNT 1
#USE_MULTIPROCESSING true
DISABLE_CPU_AFFINITY false
--- End code ---

CPU stats (every 3mins) - Load average (1 core): 94%
Memory: 15%

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