This article explains how Linux's built‑in tmpfs (mounted at /dev/shm) can be leveraged for high‑speed caching and PHP session storage, detailing its advantages, setup steps, and practical examples with Squid and PHP to improve system performance.
This article details a straightforward architecture built on HAProxy, PHP, Redis, and MySQL that reliably handles one billion weekly requests, explains the underlying hardware, monitoring setup, and provides practical lessons and future scaling strategies for high‑traffic web services.
After a rushed fix for a division‑by‑zero bug caused incorrect results, the team learns to validate data at its source, adopt proper validation frameworks, and step back to understand underlying requirements, emphasizing that thoughtful design outweighs quick code patches.
The article warns that mastering Free Open Source Software—from cloud and big‑data tools like OpenStack, Hadoop and NoSQL to web technologies such as Drupal, PHP, HTML5 and jQuery, mobile app development, popular programming languages, and security certifications—will become essential for IT job seekers, prompting universities to embed FOSS curricula.
FIS is a core compilation engine that defines static resource management concepts, while FIS+ builds on it to provide a full PHP‑Smarty3 solution with a complete directory structure, extra plugins for integration and security, and features like local data simulation and URL forwarding.
HHVM, Facebook’s high‑performance PHP virtual machine, uses a type‑driven tracelet JIT and custom bytecode to achieve up to nine‑fold speed gains, making runtime optimization the only practical solution for Facebook’s massive codebase while requiring careful compatibility testing, memory management, and Hack language support.
