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PHP Microservices

PHP Microservices

By : Pablo Solar Vilariño, Carlos Pérez Sánchez
3.8 (5)
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PHP Microservices

PHP Microservices

3.8 (5)
By: Pablo Solar Vilariño, Carlos Pérez Sánchez

Overview of this book

The world is moving away from bulky, unreliable, and high-maintenance PHP applications, to small, easy-to-maintain and highly available microservices and the pressing need is for PHP developers to understand the criticalities in building effective microservices that scale at large. This book will be a reliable resource, and one that will help you to develop your skills and teach you techniques for building reliable microservices in PHP. The book begins with an introduction to the world of microservices, and quickly shows you how to set up a development environment and build a basic platform using Docker and Vagrant. You will then get into the different design aspects to be considered while building microservices in your favorite framework and you will explore topics such as testing, securing, and deploying microservices. You will also understand how to migrate a monolithic application to the microservice architecture while keeping scalability and best practices in mind. Furthermore you will get into a few important DevOps techniques that will help you progress on to more complex domains such as native cloud development, as well as some interesting design patterns. By the end of this book you will be able to develop applications based on microservices in an organized and efficient way. You will also gain the knowledge to transform any monolithic applications into microservices.
Table of Contents (13 chapters)
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Caching strategy

Phil Karlton

"There are only two hard things in Computer Science: cache invalidation and naming things."

A cache is a component that stores data temporarily so that future requests for that data can be served faster. This temporal storage is used to shorten our data access times, reduce latency, and improve I/O. We can improve the overall performance using different types of caches in our microservice architecture. Let's take a look at this subject.

General caching strategy

To maintain the cache, we have algorithms that provide instructions which tell us how the cache should be maintained. The most common algorithms are as follows:

  • Least Frequently Used (LFU): This strategy uses a counter to keep track of how often an entry is accessed and the element with the lowest counter is removed first.
  • Least Recently Used (LRU): In this case, the recently-used items are always near the top of the cache and when we need some space, elements that have not been...

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