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Yelling At Your Hard Drive Won't Work, Increases Latency

pattractive
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Posted January 2, 2009 - By Patrick Roche-Sowa

We've all yelled at our computers before, it can be very therapeutic, but we never thought it would do anything. Thanks to Brendan Gregg of Sun's Fishworks team, we know for a FACT yelling at your computer doesn't do anything helpful, and in fact increases latency.

Brendan wanted to see the effects of vibration on a disc array, so the best idea he came up with for improvised vibration was yelling at it. I'm glad I'm not kidding. What resulted (besides an incredibly hilarious video) was a sharp spike the number of I/O operations that take over 5ms to complete. Lesson learned: electronics won't listen to you.

 

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Yelling At Your Hard Drive Won't Work, Increases Latency
http://www.g4tv.com/thefeed/blog/post/692131/yelling-at-your-hard-drive-wont-work-increases-latency/
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