em performs worse than igb (latency wise) in 12?

Michael Butler imb at protected-networks.net
Sat Apr 6 20:22:42 UTC 2019

On 2019-04-06 08:58, Kris von Mach wrote:
> On 4/6/2019 2:56 AM, Pete French wrote:
>> Something odd going on there there - I am using 12-STABLE and I have
>> igb just fine, and it attaches to the same hardware that 11 did:
> I ran apache bench, and I got a result of 100 requests/sec on 12-STABLE
> vs 16,000 requests/sec on 11-STABLE. So something is definitely wrong.
> Nothing changed other than going from 11 to 12.

I'd be interested to see if substituting the port net/intel-em-kmod has
any effect on the issue,


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