Re: HTB dequeueing in pairs fixed

Linux Advanced Routing and Traffic Control

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On Saturday 31 January 2004 02:40, Andy Furniss wrote:
> I posted earlier when I noticed that htb was releasing packets in pairs,
> even though my burst/quantums were 1 pkt.
>
> To fix I set HTB_HYSTERESIS 0 in net/sched/sch_htb.c .
>
> This gives a noticable gain in upstream worst case latency, for me with
> 256kbit/s up I used to see +90 sometimes, now it's +45. For the many who
>   have 128 up it should limit them to +90 rather than +180.
Devik told me that disabling hysteresis will give you more accuracy, but you 
will loose speed.  I had to disable hysteresis when I did some bursts tests.
http://docum.org/stef.coene/qos/faq/cache/36.html

Stef

-- 
stef.coene@xxxxxxxxx
 "Using Linux as bandwidth manager"
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