[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.


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

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.bufferbloat.net/pipermail/codel/attachments/20130901/9d2ca69d/attachment-0002.html>

More information about the Codel mailing list