[Codel] another sets of leaps forward for linux packet queueing

MUSCARIELLO Luca OLNC/OLN luca.muscariello at orange.com
Sun Sep 1 04:03:51 EDT 2013


Very happy to see this.

However having a look to the code, if I am not wrong,
the drop policy is not longest queue drop.

If codel is not used, at least longest queue drop should be used.

Luca


On 08/31/2013 10:47 PM, Dave Taht wrote:
>
>
> Eric Dumazet just posted a pure fq scheduler (using the highly 
> optimized red/black trees in the kernel)
>
> http://marc.info/?l=linux-netdev&m=137740009008261&w=2
>
> which "scales to millions of concurrent flows per qdisc".Jon Corbet 
> wrote it up in (subscriber only link) in lwn 
> http://lwn.net/Articles/564978/
> which also details the new tso sizing patch, which fixes the oft 
> complained about overlarge tso problem and does much saner things with 
> it....
>
> http://thread.gmane.org/gmane.linux.network/281264
>
> Almost simultaneously Stephen Hemminger wrote a sysctl option making 
> it possible to easily switch the default qdisc from pfifo_fast to 
> "something else"
>
> http://marc.info/?l=linux-netdev&m=137764555622344&w=2
>
> And earlier in the week Jesper Bauer got the last of the atm/htb fixes in.
>
> All of these patches are now in the net-next tree. There were a few 
> touchups and tweaks here and there over the days following, that 
> aren't in there yet...
>
> Future looks so bright we gotta wear shades, or eyepatches, or 
> something....
>
>
> -- 
> Dave Täht
>
> Fixing bufferbloat with cerowrt: 
> http://www.teklibre.com/cerowrt/subscribe.html
>
>
> _______________________________________________
> Codel mailing list
> Codel at lists.bufferbloat.net
> https://lists.bufferbloat.net/listinfo/codel

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