Building Scalable php applications – Presentation

Presentation about Building Scalable php applications.Author George Schlossnagle given nice presentation about how to build Scalable php applications. Here is some Topic author discuss in this presentation.

• What is Scalability Systemwide Metrics Ability to accept increased traffic in a graceful and controlled manner Efficient delivery of content and services.
• Why Performance Is Important to You Efficient resource utilization More satisfying user experience Easier to manage
• Why PHP (or: Shouldn’t we be using Java for this?) PHP is a completely runtime language
• Knowing When To Start Premature optimization
• Knowing When to Stop Optimizations get exponentially more expensive as they are accrued
• No Fast = True Optimization takes work
• Ahmdal’s Law Network T ransfer Mysql Object Overhead 250.0 187.5 125.0 62.5 0 Improve Object Overhead Improve Mysql Initial by 1000% by 20%
• A Lesson From Open Source