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From: MUSCARIELLO Luca OLNC/OLN <luca.muscariello@orange.com>
To: Dave Taht <dave.taht@gmail.com>
Cc: "codel@lists.bufferbloat.net" <codel@lists.bufferbloat.net>,
	"cerowrt-devel@lists.bufferbloat.net"
	<cerowrt-devel@lists.bufferbloat.net>,
	bloat <bloat@lists.bufferbloat.net>
Subject: Re: [Codel] another sets of leaps forward for linux packet queueing
Date: Sun, 01 Sep 2013 10:03:51 +0200	[thread overview]
Message-ID: <5222F4E7.10703@orange.com> (raw)
In-Reply-To: <CAA93jw6ZqyAw5tAywMwTMafyP1qP1GBx_YbocVWbvwm20UF5SQ@mail.gmail.com>

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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@lists.bufferbloat.net
> https://lists.bufferbloat.net/listinfo/codel


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  parent reply	other threads:[~2013-09-01  8:03 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-08-31 20:47 Dave Taht
2013-09-01  8:03 ` MUSCARIELLO Luca OLNC/OLN
2013-09-01  8:03 ` MUSCARIELLO Luca OLNC/OLN [this message]
2013-09-06 15:48 ` Eric Dumazet

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