Hi,

> Hi,
>
> I have a rather busy network, and my ksoftirqd processes are using
> quite a lot of CPU. I'm trying to optimize my NIC settings, but I
> think I can't get any better unless I change hardware.
>
> However, I want to make sure I prioritize CPU power for the ksoftirqd
> processes because I noticed that if by any chance another process runs
> on any of my 8 cores at a high rate (100% CPU) then the network
> usually lags for a short while (ping latency soars, etc). For
> instance, whenever I run "shorewall reload" one of the cores goes up
> to 100% (perl) for about a minute. During this time frame I can see

~1 minute? Do you have an insane number of rules somehow?

One thing I was wondering, are the 8 cores real cores or 4 with HT?

Regards,
Simon



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