SSDs are Awesome

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    17-May-2015
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SSD Presentation from WordCamp NYC 2009

Transcript of SSDs are Awesome

  • 1. Why SSDs areAwesomeWordCamp NYC 2009 Barry Abrahamson

2. Me Systems Wrangler at Automattic Sysadmin, systems architect, DBA Used to live in NYC, now live in Ft. Worth, Texas 3. WordPress.com Over 9 million blogs and 11 million users 50+ million page views/day 1.2 billion queries/day just for post and comment data 300+ database servers 4. Queries per hour 5. Before 4 x 15k RPM SAS drives RAID 0 RAID Controller with BBWC $1200 6. Road to SSDs January 2008 - Mtron experiment (FAIL) April 2009 - Intel experiment (SUCCESS) May 1, 2009 - Production deployment May 15, 2009 - Critical bug found May 30, 2009 - Start over w/ prod deploy July 2, 2009 - Migrations complete! 7. After 1 x Intel X25-M SSD 80GB No RAID controller $300 http://www.ickr.com/photos/xuoan-dailies/3235208908/ 8. Awesome 75% cheaper than fast HDDs + RAID controller 6x real-world performance/capacity improvement Reliability: 150+ drives in production for 6+ months, only 1 failure. 9. Less than Awesome Saves money and your users time, but likely not your (sysadmins) time Lots of research, tweaking, benchmarking, hacking necessary to achieve maximum performance Most software is designed to reduce disk seeks 10. Contact me! barry [ at ] automattic [dot ] com http://barry.wordpress.com 11. Questions! (about whatever you want to ask)