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Date:	Fri, 24 Feb 2012 15:14:15 -0500 (EST)
From:	David Miller <>
Subject: Re: [PATCH net-next 1/3] mlx4_en: TX ring size default to 1024

From: Yevgeny Petrilin <>
Date: Fri, 24 Feb 2012 19:35:45 +0000

> On the other hand, when having smaller queue with 1000 in-flight
> packets would mean queue would be stopped, how is it better?

It's a thousand times better.

Because if a high priority packet gets queued up it won't have to wait
for 1024 packets to hit the wire before it can go out.

You need to support byte queue limits before you jack things up so high
like this, otherwise high priority packets are absolutely pointless
and unusable.
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