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Explore techniques for monitoring and optimizing backend performance in high-traffic web environments through this PHP UK Conference talk. Learn how the BBC prepared for major events like the Olympics with limited resources, managing approximately 300 websites on shared hardware. Discover tools and technologies used for benchmarking PHP and Zend Framework platforms, identifying poor-performing sections, and addressing performance issues. Gain insights into using XHProf, augmenting Zend Framework to generate HAR (HTTP Archive) files, and optimizing service calls. Cover topics including routing, Varnish caching, monitoring challenges, PHP profiling, and comparisons between Varnish and Zeus load balancers.
