| Kero Control only uses 1 CPU [message #152040] |
Thu, 23 June 2022 11:57  |
tverweij
Messages: 86
Registered: March 2010
Location: Curacao
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Today, I had a speed problem - I could only reach 10 Mbit transfer total.
When I looked at the firewall, I saw that it was using about 13% CPU. With 8 CPU's assigned to the firewall, this means 1 CPU on 100%.
A reboot of the firewall solved the problem. It is now back on about 3% CPU and no speed issues at normal use.
But because of the above, I tried some things to see what happened.
And what I see is the following: As soon as I increase the transfer, the CPU rises - as expected.
But it never rises above 13%. As soon as it reaches that, I can not increase the transfer speed anymore - for me it stops on about 300 Mbit - while the connection is 1 Gbit.
Why is it not using more CPU power, while this is available? Is Kerio Control a single threaded application?
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| Re: Kero Control only uses 1 CPU [message #152041 is a reply to message #152040] |
Thu, 23 June 2022 12:52  |
tverweij
Messages: 86
Registered: March 2010
Location: Curacao
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I did some other tests - and it seems that the CPU is only really rising when I raise the amount of data through the VPN tunnels (kerio -> kerio).
When I do a speed test (speedtest.net), the CPU is almost not rising and I reach almost 1 Gbit.
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