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The 4 KiB Sector Performance Issue

by Michael Prokop Follow 0 Followers on  Mar 29, 2010 3

If using HDDs from Western Digital (WD) with the string "EARS" in the model name, poor performance may have been encountered. Normally HDDs store data with a sector size of 512 bytes; WD's Advanced Format Technology uses 4096 byte sectors. Alignment of data on disk is essential to get the best performance. It's also only a matter of time until other vendors ship disks with non-512-bytes sectors.

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MySpace Replaces Storage with Solid-State Drive Technology in 150 Standard Load Servers

by Carlos Armas Follow 0 Followers on  Dec 14, 2009

MySpace and Fusion-io recently announced they are working together to reduce datacenter operations costs. Using Fusion-io's ioDrive SSDs, MySpace replaced 150 standard load servers, and reduced their number of heavy load servers from 80 to 30. Overall a reduction of 51% in server footprint was achieved, and MySpace will replace over 1700 of their remaining 2U servers as they reach end-of-life.

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