From: Arnaldo Carvalho de Melo <acme@redhat.com>
To: Andi Kleen <andi@firstfloor.org>
Cc: Chris Snook <csnook@redhat.com>, Rick Jones <rick.jones2@hp.com>,
Netdev <netdev@vger.kernel.org>
Subject: Re: RFC: Nagle latency tuning
Date: Tue, 9 Sep 2008 16:21:19 -0300 [thread overview]
Message-ID: <20080909192119.GJ12726@ghostprotocols.net> (raw)
In-Reply-To: <20080909190737.GB7714@one.firstfloor.org>
Em Tue, Sep 09, 2008 at 09:07:37PM +0200, Andi Kleen escreveu:
> > These apps have a love/hate relationship with TCP. They'll probably love
> > SCTP 5 years from now, but it's not mature enough for them yet. They do
> > want to minimize all latencies,
>
> Then they should just TCP_NODELAY.
>
> > and many of the apps explicitly set
> > TCP_NODELAY.
>
> That's the right thing for them.
But please ask them to use writev or build the logical packet in
userspace, sending it as just one buffer, or they will start asking for
nagle tunables ;-)
- Arnaldo
next prev parent reply other threads:[~2008-09-09 19:29 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-08 21:56 RFC: Nagle latency tuning Christopher Snook
2008-09-08 22:39 ` Rick Jones
2008-09-09 5:10 ` Chris Snook
2008-09-09 5:17 ` David Miller
2008-09-09 5:56 ` Chris Snook
2008-09-09 6:02 ` David Miller
2008-09-09 10:31 ` Mark Brown
2008-09-09 12:05 ` David Miller
2008-09-09 12:09 ` Mark Brown
2008-09-09 12:19 ` David Miller
2008-09-09 6:22 ` Evgeniy Polyakov
2008-09-09 6:28 ` Chris Snook
2008-09-09 13:00 ` Arnaldo Carvalho de Melo
2008-09-09 14:36 ` Andi Kleen
2008-09-09 18:40 ` Chris Snook
2008-09-09 19:07 ` Andi Kleen
2008-09-09 19:21 ` Arnaldo Carvalho de Melo [this message]
2008-09-11 4:08 ` Chris Snook
2008-09-09 19:59 ` David Miller
2008-09-09 20:25 ` Chris Snook
2008-09-22 10:49 ` David Miller
2008-09-22 11:09 ` David Miller
2008-09-22 20:30 ` Andi Kleen
2008-09-22 22:22 ` Chris Snook
2008-09-22 22:26 ` David Miller
2008-09-22 23:00 ` Chris Snook
2008-09-22 23:13 ` David Miller
2008-09-22 23:24 ` Andi Kleen
2008-09-22 23:21 ` David Miller
2008-09-23 0:14 ` Andi Kleen
2008-09-23 0:33 ` Rick Jones
2008-09-23 2:12 ` Andi Kleen
2008-09-23 1:40 ` David Miller
2008-09-23 2:23 ` Andi Kleen
2008-09-23 2:28 ` David Miller
2008-09-23 2:41 ` Andi Kleen
2008-09-22 22:47 ` Rick Jones
2008-09-22 22:57 ` Chris Snook
2008-09-09 16:33 ` Rick Jones
2008-09-09 16:54 ` Chuck Lever
2008-09-09 17:21 ` Arnaldo Carvalho de Melo
2008-09-09 17:54 ` Rick Jones
2008-09-08 22:55 ` Andi Kleen
2008-09-09 5:22 ` Chris Snook
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