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Date:      Sat, 27 Sep 2008 11:41:58 -0700
From:      Eli Dart <dart@es.net>
To:        Danny Braniss <danny@cs.huji.ac.il>
Cc:        freebsd-hackers@freebsd.org, Jeremy Chadwick <koitsu@FreeBSD.org>, freebsd-stable@freebsd.org
Subject:   Re: bad NFS/UDP performance
Message-ID:  <48DE7E76.8050209@es.net>
In-Reply-To: <E1KjDTZ-000Jqb-Bh@cs1.cs.huji.ac.il>
References:  <E1Kj7NA-000FXz-3F@cs1.cs.huji.ac.il>	<20080926081806.GA19055@icarus.home.lan>	<E1Kj9bR-000H7t-0g@cs1.cs.huji.ac.il>	<20080926095230.GA20789@icarus.home.lan> <E1KjDTZ-000Jqb-Bh@cs1.cs.huji.ac.il>

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Danny Braniss wrote:

> I know, but I get about 1mgb, which seems somewhat low :-(

If you don't tell iperf how much bandwidth to use for a UDP test, it 
defaults to 1Mbps.

See -b option.

http://dast.nlanr.net/projects/Iperf/iperfdocs_1.7.0.php#bandwidth

		--eli

-- 
Eli Dart
ESnet Network Engineering Group
Lawrence Berkeley National Laboratory
PGP Key fingerprint = C970 F8D3 CFDD 8FFF 5486 343A 2D31 4478 5F82 B2B3



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