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Re: bonnie performance xfs vs. ext2

To: ananth@xxxxxxx (Rajagopal Ananthanarayanan)
Subject: Re: bonnie performance xfs vs. ext2
From: mostek@xxxxxxx
Date: Thu, 8 Jun 2000 08:11:52 -0500 (CDT)
Cc: linux-xfs@xxxxxxxxxxx
In-reply-to: <393F4824.AE2ED7FF@xxxxxxx> from "Rajagopal Ananthanarayanan" at Jun 08, 2000 12:15:48 AM
Sender: owner-linux-xfs@xxxxxxxxxxx
This is starting to smell like soup. Good job!

Thanks,

Jim

>
>
>Following are results of running "bonnie" using a file size of 256M.
>Tests run on a 2-cpu system with 64M memory.  Measurements taken
>for 3 runs each using ext2 and xfs.  For the most part, results of the
>tests are virtually identical in using ext2 and xfs, except for:
>
>1. sequential character input is slower in xfs by about 7-8%
>2. Block write performance is slower in xfs by about 1-2%
>3. XFS seems to use a little bit more cpu for block operations & rewrite.
>
>
>              -------Sequential Output-------- ---Sequential Input-- --Random--
>              -Per Char- --Block--- -Rewrite-- -Per Char- --Block--- --Seeks---
>Machine    MB K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU  /sec %CPU
>EXT2      256  3626  99.9  7615 12.0  2932  6.1  3005 89.8 18495 22.7 176.7  
>3.3
>EXT2      256  3632 100.0  7670 12.6  2920  5.9  2998 90.1 18483 22.4 179.6  
>3.3
>EXT2      256  3631 100.0  7679 12.4  2931  6.3  3011 89.7 18478 24.0 187.0  
>4.2
>
>XFS       256  3633 100.0  7599 12.7  2906  7.4  2782 83.8 18480 27.4 181.7  
>4.3
>XFS       256  3624  99.6  7614 13.8  2968  7.6  2776 83.6 18563 25.7 185.3  
>3.6
>XFS       256  3625  99.7  7539 13.0  3014  7.9  2818 84.8 18557 29.4 183.4  
>4.9
>
>-- 
>--------------------------------------------------------------------------
>Rajagopal Ananthanarayanan ("ananth")
>Member Technical Staff, SGI.
>--------------------------------------------------------------------------
>


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