Many performance-related presentations tell you that your bottleneck lies in the database. Following the famous 80/20 rule - 80 percent of the application are responsible for 20% of the resource usage - this presentation will discuss different tracing and profiling techniques available for PHP and MySQL to identify your bottlenecks and optimizing the parts of your setup which matter the most.


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Good talk, well balanced overview and also some deeper details so its interesting for a wide level of knowledge. Could answer questions while presenting and give extra comments on later slides also regarding the question.

Lots of information in one talk once again. I liked it. Bring more elephants next time ;)

Really good information, and confident delivery as always. The kind of talk where I'm very likely to refer back to the slides later!

Nice overview of all tools and how to use them.