From: Andi Kleen <ak@suse.de>
To: "David S. Miller" <davem@redhat.com>
Cc: andrea@suse.de, kuznet@ms2.inr.ac.ru,
linux-kernel@vger.kernel.org, ak@suse.de
Subject: Re: 2.4 delayed acks don't work, fixed
Date: Wed, 19 Mar 2003 02:55:17 +0100 [thread overview]
Message-ID: <20030319015517.GA15150@wotan.suse.de> (raw)
In-Reply-To: <20030318.163701.56035556.davem@redhat.com>
> This streamer application should buffer at the sending side, in order
> to keep the window full. Introducing artificial delays on the sending
> side of a unidirectional TCP transfer is really bad for performance
> and I can assure you that more than just "weird delayed ACK" behavior
> will result.
The broken tail append patch I did some time ago was supposed to address
that (better merging of writes on the sender side even for non SG
NICs). Perhaps it should be rechecked.
It may fix this.
-Andi
next prev parent reply other threads:[~2003-03-19 1:46 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-03-17 8:25 2.4 delayed acks don't work, fixed Andrea Arcangeli
2003-03-18 18:34 ` kuznet
2003-03-18 19:34 ` Andrea Arcangeli
2003-03-18 20:13 ` kuznet
2003-03-18 22:19 ` Andrea Arcangeli
2003-03-18 22:35 ` kuznet
[not found] ` <20030319002409.GI30541@dualathlon.random>
2003-03-19 0:37 ` David S. Miller
2003-03-19 0:58 ` Andrea Arcangeli
2003-03-19 1:33 ` Help with patch for vesafbd support again? Kendall Bennett
2003-03-19 3:00 ` Randy.Dunlap
2003-03-19 19:25 ` Kendall Bennett
2003-03-19 1:55 ` Andi Kleen [this message]
2003-03-19 2:02 ` 2.4 delayed acks don't work, fixed David S. Miller
2003-03-19 19:48 ` Andrea Arcangeli
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