netdev - RE: [PATCH net-next] tcp: auto corking

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Message-ID: <AE90C24D6B3A694183C094C60CF0A2F6026B7467@saturn3.aculab.com>
Date:	Fri, 6 Dec 2013 10:30:43 -0000
From:	"David Laight" <David.Laight@...LAB.COM>
To:	"Eric Dumazet" <eric.dumazet@...il.com>,
	"David Miller" <davem@...emloft.net>
Cc:	"netdev" <netdev@...r.kernel.org>
Subject: RE: [PATCH net-next] tcp: auto corking

> From: Eric Dumazet <edumazet@...gle.com>
> 
> With the introduction of TCP Small Queues, TSO auto sizing, and TCP
> pacing, we can implement Automatic Corking in the kernel, to help
> applications doing small write()/sendmsg() to TCP sockets.

Presumably this has the greatest effect on connections with Nagle
disabled?

I might try this patch on a workload we have that tends to generate
a lot of short packets - try 10000/sec on one connection!

	David