Over the last few years I mostly worked with legacy PHP applications and one thing that comes up in each project is performance. Unfortunately more often than not discussion around performance issues are purely hypothetical or around micro-optimizations or the collected data is misinterpreted. In my talk I want to lay out how to effectively anticipate, identify and mitigate performance issues in a Symfony application. I want to discuss how to approach performance optimizations including micro-optimizations, some tools available to a developer for investigating and monitoring performance issues as well as some ways to improve performance, including a quick introduction to both application and HTTP-caching.


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A great talk covering basics about how to discover (and solve) performance issues. And which tools to use :)

Timo Bakx at 17:16 on 16 Nov 2017

Nice talk. Good explanations given about different tools and when to use them. Speaker was clear.

It was a good talk. It presented some useful tools to detect and found performance issues. I was a little bit disappointed about "JMeter" part: I expected an explanation about which metrics we have to check.

Jose Monagas at 01:21 on 23 Nov 2017

Nice talk to know which tools you should use for performance issues.