Facebook at 13 Million Queries Per Second Recommends: Minimize Request Variance
Thursday, November 4, 2010 at 8:48AM
Todd Hoff in MySQL, Strategy, facebook

Facebook gave a MySQL Tech Talk where they talked about many things MySQL, but one of the more subtle and interesting points was their focus on controlling the variance of request response times and not just worrying about maximizing queries per second.

But first the scalability porn. Facebook's OLTP performance numbers were as usual, quite dramatic:

 Some thoughts on creating quality, not quantity:

To minimize variance they must be able notice, diagnose, and then fix problems:

Please watch the MySQL Tech Talk for more color and details.

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