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

Steinar H. Gunderson sgunderson at bigfoot.com
Sat Aug 31 17:15:35 EDT 2013


On Sat, Aug 31, 2013 at 01:47:50PM -0700, 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....

I think it's hard to overstate the long-term significance of fq and its TCP
pacing; I've done similar things with HTB in the past with excellent results,
so having something non-hackish for this will be awesome. In a few years,
we'll wonder how we ever survived without pacing.

/* Steinar */
-- 
Homepage: http://www.sesse.net/



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