From mboxrd@z Thu Jan  1 00:00:00 1970
From: Dirk Mueller <dmuell@gmx.net>
Subject: Re: Large Partition Performance Test
Date: Thu, 11 Apr 2002 22:28:56 +0200
Message-ID: <20020411202856.GA26083@matrix.wg>
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On Don, 11 Apr 2002, Oleg Drokin wrote:

> 4 minutes 20 seconds to write 1.6G of data even in the beginning?!
> This sounds too slow to me. Though RAID5 certainly can slow things down.

Its not the RAID,I can reproduce it: 

day/hour 00 00 seconds = 691
day/hour 00 01 seconds = 720

this seems to be highly CPU bound, because it hardly ever accessed the 
harddisk. it spends 60% in kernel space cpu though. 


Dirk