MySQL: Analysis, Understanding, and Optimization of Queries

918 days ago,1517 views
Presented by Michael Moussa (@michaelmoussa)

May 18, 2017

Your new database query ran quickly when you tested it, but seconds after deploying it, alarms are blaring and you’re scrambling to rollback before the site goes down. What happened?!?

I can “EXPLAIN”.

Queries that perform well under development load with limited datasets can easily bring a database to its knees under production load. In this talk, you will learn to decipher MySQL query execution plans, recognize portions that can be improved, and take the necessary steps to optimize your queries – all without starting any fires!

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