[Cake] fq_codel_fast

Toke Høiland-Jørgensen toke at toke.dk
Thu Sep 6 15:08:30 EDT 2018

Pete Heist <pete at heistp.net> writes:

>> On Sep 6, 2018, at 7:22 PM, Dave Taht <dave.taht at gmail.com> wrote:
>> There was a very good paper or two (I think luca co-authored one) that
>> showed that "active flows" were generally measured in the mid 200s in
>> nearly any scenario. I agreed with that which was in part why I felt
>> we could stick
>> with 1024 queues, a direct mapped hash, and a couple collisions.
> So I’m not sure if this is a great way to gauge active flow counts
> through a router, but at 8pm:

In the context of that paper you'd need to count the number of active
queues in fq_codel.

So `tc class show dev $DEV` and see how many classes are displayed...


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