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Re: Linux RAID & XFS Question - Multiple levels of concurrency = faster

To: Justin Piszcz <jpiszcz@xxxxxxxxxxxxxxx>
Subject: Re: Linux RAID & XFS Question - Multiple levels of concurrency = faster I/O on md/RAID 5?
From: John Robinson <john.robinson@xxxxxxxxxxxxxxxx>
Date: Sat, 01 Nov 2008 10:55:27 +0000
Cc: linux-raid@xxxxxxxxxxxxxxx, xfs@xxxxxxxxxxx
In-reply-to: <alpine.DEB.1.10.0811010424270.16517@xxxxxxxxxxxxxxxx>
Organization: None; Disorganization: Total
References: <alpine.DEB.1.10.0811010424270.16517@xxxxxxxxxxxxxxxx>
User-agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-GB; rv:1.8.1.17) Gecko/20080914 Thunderbird/2.0.0.17 Mnenhy/0.7.5.666
On 01/11/2008 08:29, Justin Piszcz wrote:
[...]
Why is running 3 jobs con-currently that take care of two parts each more than
twice as fast than running one job for six parts?

Because you have multiple CPUs?

Cheers,

John.

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