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From: "Toke Høiland-Jørgensen" <toke@toke.dk>
To: "Bill Ver Steeg (versteb)" <versteb@cisco.com>,David Lang
	<david@lang.hm>
Cc: "bloat@lists.bufferbloat.net" <bloat@lists.bufferbloat.net>
Subject: Re: [Bloat] setting queue depth on tail drop configurations	of	pfifo_fast
Date: Fri, 27 Mar 2015 23:18:30 +0100	[thread overview]
Message-ID: <367FBE43-C3CF-4947-AD4C-521506F7C799@toke.dk> (raw)
In-Reply-To: <AE7F97DB5FEE054088D82E836BD15BE93199035E@xmb-aln-x05.cisco.com>


>I would like to reduce the tail drop queue size to 100 packets (down
>from the default of 1000) and see how that impacts the test. 3 seconds
>of bloat is pretty bad, and I would like to compare how ABR works at at
>1 second and at 200-300 ms.

Did you re-initiate the pfifo_fast qdisc after changing txqlen? IIRC, it picks up the len at init time, and so won't update automatically when you change it...

-Toke

  reply	other threads:[~2015-03-27 22:18 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-27 21:45 Bill Ver Steeg (versteb)
2015-03-27 22:02 ` David Lang
2015-03-27 22:14   ` Bill Ver Steeg (versteb)
2015-03-27 22:18     ` Toke Høiland-Jørgensen [this message]
2015-03-27 22:46     ` David Lang
2015-03-27 23:18       ` Bill Ver Steeg (versteb)
2015-03-27 23:40         ` David Lang

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