Valdrin MUJA [[email protected]] wrote:
> Hello Misc,
> 
> I run OpenBSD 7.3 as L3 firewall under VMware. I have some rdr-to rules.
> 
> Here System information:
> cpu15: Intel(R) Xeon(R) Gold 6338 CPU @ 2.00GHz, 1995.63 MHz, 06-6a-06
> I know CPU cores are not at too important at the moment but this server has 
> 16 cores on it.
> I use vmx nics. dmesg is attached.
> 
> When traffic becomes high(*) systems slows. (Users say RDP connections are 
> slow)
> When I checked uptime load average was ok but yeah OpenBSD was slow.
> For example, when I enter ifconfig command system was not too fast.
> 
> After that I looked at top -SH output and see 3 of softnet tasks were over 
> %74 and was ~%40.
> 
> Would you suggest to increase the NET_TASKQ value to 8 or 16 (number of cores 
> in the system) and use a custom kernel?

Probably 8 since the kernel isn't optimized for hyper-threading. 

> Also, just wonder if it's CPU core dedicated value or not?
> 
> P.S. I don't use pfsync and it's not in my plan...
> 

There's a possible MP rework hitting the tree soon if you did want to use 
pfsync.

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