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Re: xfs vs. jfs results: why?

To: Florin Andrei <florin@xxxxxxx>, linux-xfs <linux-xfs@xxxxxxxxxxx>
Subject: Re: xfs vs. jfs results: why?
From: Seth Mos <knuffie@xxxxxxxxx>
Date: Wed, 22 Jan 2003 10:52:49 +0100
In-reply-to: <1043185682.26351.30.camel@stantz.corp.sgi.com>
References: <000001c2c032$e4edc240$1403a8c0@sc.tlinx.org> <000001c2c032$e4edc240$1403a8c0@sc.tlinx.org>
Sender: linux-xfs-bounce@xxxxxxxxxxx
At 13:48 21-1-2003 -0800, Florin Andrei wrote:

Ok, so it also depends on what you're doing. Perhaps other people need a
lot of read speed for their apps. But, as a rule of thumb: reading is
easy, writing is difficult.

On another note, reading you can cache with large amounts of ram. Writing you can not.


Writing multiple times makes disk IO everytime.
Reading multiple times makes disk IO once (if you have enough ram)

Cheers

--
Seth
It might just be your lucky day, if you only knew.


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