netdev - Re: [PATCH net-next 1/3] mlx4_en: TX ring size default to 1024

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Message-Id: <20120223.144541.1354349294973443529.davem@davemloft.net>
Date:	Thu, 23 Feb 2012 14:45:41 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	yevgenyp@...lanox.co.il
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH net-next 1/3] mlx4_en: TX ring size default to 1024

From: Yevgeny Petrilin <yevgenyp@...lanox.co.il>
Date: Thu, 23 Feb 2012 15:34:05 +0200

> Signed-off-by: Yevgeny Petrilin <yevgenyp@...lanox.co.il>

This is rediculious as a default, yes even for 10Gb.

Do you have any idea how high latency is going to be for packets
trying to get into the transmit queue if there are already a
thousand other frames in there?
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