====== PHP Performance Tuning ======
  * [[https://blog.appdynamics.com/php/5-secrets-to-better-php-performance/|5 Secrets to Better PHP Performance]]
  * [[https://blog.appdynamics.com/php/why-every-php-application-should-use-an-opcache/|Why Every PHP Application Should Use an OpCache]]
  * [[https://blog.appdynamics.com/php/php-performance-crash-course-part-1-the-basics/|PHP Performance Tuning: Part 1]]
  * [[https://blog.appdynamics.com/php/php-performance-crash-course-part-2-the-deep-dive/|PHP Performance Tips, Part 2]]
  * [[https://dzone.com/articles/top-5-performance-metrics-to-capture-in-enterprise|Top 5 Performance Metrics to Capture in Enterprise PHP Applications]]
  * [[https://pat.im/1207|PHP 8.0의 OPCache로 JIT 쓰기 :: 글걸이]]