Condusiv Technologies Blog

Condusiv Technologies Blog

Blogging @Condusiv

The Condusiv blog shares insight into the issues surrounding system and application performance—and how I/O optimization software is breaking new ground in solving those issues.

Independent performance testing on fragmentation?

by Helpdesk 9. November 2005 02:47
Once and a while I'm asked for independent studies on the performance effects of disk fragmentation. There are some excellent studies out there. Diskeeper Corporation recently sponsored a paper done by Windows IT Pro. Their writer, Joe Kinsella, actually developed his own test tools in order to do a very thorough fragmentation performance study: http://www.windowsitpro.com/whitepapers/index.cfm?fuseaction=showwp&wpid=4D2B047D-E1F8-4F20-A74DB68E7521E730&code= Besides the recent study we sponsored, there are a bunch of other independent studies in existence. A quick Google search yields a Harvard University study on UNIX: http://www.eecs.harvard.edu/~keith/research/tr94.html I was unable to find a university study on Windows. I imagine Universities are probably less interested in studying the effects of fragmentation on FAT and NTFS, because it's generally considered common knowledge that file fragmentation hurts their performance. Once in a while a media source does in-depth fragmentation testing as part of a review, such as this PC Mag article: http://www.pcmag.com/article2/0,1895,1591466,00.asp The non-profit organization National Software Test Lab (NSTL) has also done performance tests on fragmentation: http://www.softwareshelf.com/HTML/products/prod_materials/5/NSTLXP_mddvdk.pdf - Paul

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Checkout Diskeeper's New Knowledge Center

by Jeff Medina 2. November 2005 02:40
Our new Diskeeper Knowledge Center is one of the most complete sources of research and test data on disk fragmentation: http://www.diskeeper.com/products/documentation/documentation.asp

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