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b'On this weeks episode we are joined by Jonathan Klein to discuss all things application performance.\\nWe start off the show with chat about how he got into performance, why it is so important and how he thinks of it throughout the development process.\\nFrom here we discuss his recently released Pluralsight course on \\u2018High Performance PHP\\u2019 and touch upon some of the key performance areas within the stack.\\nStarting with micro-optimisations at the code level, we highlight their value and caching mechanisms.\\nWe then move onto the web server, process managers and the importance of a correct configuration.\\nThe Database layer is then brought up, discussing forks of MySQL, handling slow-queries and data-denormalizations.\\nFinally, profiling and monitoring tools are discussed (such as New Relic and Seige) and where you can typically find the most wins within a typical stack.'