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From: Andy Furniss <andy.furniss@dsl.pipex.com>
To: lartc@vger.kernel.org
Subject: Re: [LARTC] HTB is nor fair when 'borrowing?  *bug* in HTB or some
Date: Fri, 18 Jun 2004 21:11:35 +0000	[thread overview]
Message-ID: <40D35A87.7080204@dsl.pipex.com> (raw)
In-Reply-To: <40D21439.7000702@interia.pl>

pljosh wrote:
>> I just tested with my script and also see a 5-8% advantage for the 
>> lower  handle class.
>>
>> I wouldn't call it a bug though - HTB is written for high traffic 
>> setups   and trade off needs to be made between perfect behaviour and 
>> CPU usage and you say it gets better with more classes.
>>
>> Andy.
> 
> 
> Well - you had 5-8% while I noticed 50-80% difference! (user1 ~76kB/s 
> and user3 ~45kB/s).

I did notice on the graph I looked at, that it was a bit higher - I only 
tested with wget. I was going to repeat properly and if you were still 
higher suggest that you set quantums to mtu, low bursts and set

HTB_HYSTERESIS 0 in net/sched/sch_htb.c.

I also have esfq attached to classes


> Of course - as you can see on the graph I created: with more classes 
> difference beteween u1&u3 is smaller...

Hmm I only have 2+default shared by IP - but two more "above".

> 
> Can you send me the script you used for your test which gave you only 
> 5-8%? Maybe there is something wrong with the one of mine?

OK but it won't work for you - I guess. It needs connbytes a hacked IMQ 
and esfq. It's just a test evolved from digriz script really.

I also have half your bandwidth - and it was set at 400kbit for the test.

Andy.

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  parent reply	other threads:[~2004-06-18 21:11 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-06-17 21:59 [LARTC] HTB is nor fair when 'borrowing? Can someone correct me or maybe pljosh
2004-06-18  8:05 ` [LARTC] HTB is nor fair when 'borrowing? Can someone correct Ed Wildgoose
2004-06-18 11:05 ` [LARTC] HTB is nor fair when 'borrowing? *bug* in HTB or some pljosh
2004-06-18 11:28 ` Ed Wildgoose
2004-06-18 12:50 ` Ed Wildgoose
2004-06-18 13:30 ` pljosh
2004-06-18 18:10 ` Andy Furniss
2004-06-18 18:45 ` pljosh
2004-06-18 21:11 ` Andy Furniss [this message]
2004-06-18 21:57 ` Andy Furniss
2004-06-19  4:05 ` pljosh
2004-06-19  4:14 ` pljosh
2004-06-20 11:10 ` Andy Furniss
2004-06-20 11:56 ` pljosh
2004-06-20 13:12 ` Andy Furniss
2004-06-20 13:18 ` Ed Wildgoose
2004-06-20 15:06 ` Andy Furniss
2004-06-20 16:02 ` [LARTC] HTB is nor fair when 'borrowing? *bug* confirmed? pljosh
2004-06-24  9:38 ` Andy Furniss
2004-06-25  3:58 ` pljosh

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