netdev - Re: [ofa-general] [PATCH 0/26] Reliable Datagram Sockets (RDS), take 2

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Message-ID: <20090301015020.GH26292@one.firstfloor.org>
Date:	Sun, 1 Mar 2009 02:50:20 +0100
From:	Andi Kleen <andi@...stfloor.org>
To:	Andrew Grover <andy.grover@...il.com>
Cc:	Andi Kleen <andi@...stfloor.org>,
	Andy Grover <andy.grover@...cle.com>, netdev@...r.kernel.org,
	rds-devel@....oracle.com, general@...ts.openfabrics.org
Subject: Re: [ofa-general] [PATCH 0/26] Reliable Datagram Sockets (RDS), take 2

> Higher load -> more time before a process runs -> rcvbuf overfills ->

How can the rcvbuf overfill if the sender doesn't run?

> ACKs dropped -> timeouts -> more retransmissions -> even higher load.
> 
> Things are fine until they hit a point where everything goes to hell.

-Andi
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