From: Andras Korn <korn@raidlist.elan.rulez.org>
To: linux-raid@vger.kernel.org
Subject: Re: write-behind has no measurable effect?
Date: Wed, 16 Feb 2011 13:00:56 +0100 [thread overview]
Message-ID: <20110216120056.GD13135@hellgate.intra.guy> (raw)
In-Reply-To: <AANLkTinAV4jJc8ueZ1mjRPpDnA_eWhUDcL8uz-0Ufifk@mail.gmail.com>
On Tue, Feb 15, 2011 at 06:10:17AM -0300, Roberto Spadim wrote:
> andras could you make some benchmarks to raid1 with round robin read balance?
> at this site:
> www.spadim.com.br/raid1/
For the record: we did some benchmarks and while the patch shows promise and
seems to cause no problems, it resulted in no measurable performance
increase for a RAID1 array composed of an SSD and two 7200rpm HDDs.
Andras
--
Andras Korn <korn at elan.rulez.org>
If it ain't broken, play with it until it is.
next prev parent reply other threads:[~2011-02-16 12:00 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-14 21:38 write-behind has no measurable effect? Andras Korn
2011-02-14 22:50 ` NeilBrown
2011-02-14 22:57 ` Andras Korn
2011-02-14 23:41 ` NeilBrown
2011-02-15 1:00 ` Andras Korn
2011-02-15 1:19 ` John Robinson
2011-02-15 2:19 ` Andras Korn
[not found] ` <AANLkTikFSOePZJXknAt=Tx6+FpdJ4tiSNwpuwuPC3RY=@mail.gmail.com>
2011-02-15 9:10 ` Roberto Spadim
2011-02-15 12:40 ` Andras Korn
2011-02-15 13:26 ` Roberto Spadim
2011-02-15 17:46 ` Roberto Spadim
2011-02-16 12:00 ` Andras Korn [this message]
2011-02-16 15:00 ` Roberto Spadim
2011-02-14 22:56 ` Doug Dumitru
2011-02-14 23:03 ` Andras Korn
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