Date: Wed, 29 Aug 2001 17:22:00 -0700 From: "Kory Hamzeh" <kory@avatar.com> To: "Trevin Chow" <trevin@mail.com>, <questions@FreeBSD.ORG> Subject: RE: Performance tuning results Message-ID: <00c301c130e9$c96f1ca0$14ce21c7@avatar.com> In-Reply-To: <BCCBC5E8BA377141B125D2C5F91ABA5B032C3EEB@red-msg-07.redmond.corp.microsoft.com>
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OK, I did some benchmarks and things did not come out like I thought they should. Maybe some input from more experience FBSD users might explain things. The Test System: 800 MHZ P3, 256MB Ram, 30GIG UDMA/100 EIDE Drive running 4.3 RELEASE. The Benchmark: I have a shell script that converts about 650 JPG files with an average size of 30K to JPG thumbnails with an average size of 8K. I rebooted the system before each test and entered the exact same commands. I used the "time" command and just recorded the total elapsed time. Results: IDE write caching off, softupdates off: 51.97 secs IDE Write caching on, softupdates off: 47.39 secs IDE Write caching off, softupdates on: 50.46 secs IDE Write caching on, softupdates on: 47.32 secs What's interesting is that IDE write caching helped more than the softupdates. Kory To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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