How to use cache optimization? Summarize cache optimization example usage

This article is the continuation of the first cache optimization article in the MySQL optimization series. It introduces all aspects of cache optimization in more detail. I hope you will like MySQL. There are caches everywhere inside. I will come back when I read the source code of MySQL. Detailed analysis of how cache is used. This part mainly covers various explicit cache optimizations: query cache optimization result set cache sorting cache join connection cache table cache Cache and table structure definition cache Cache table scan cache buffer MyISAM index cache buffer log cache read-ahead mechanism delayed table and temporary table 1 , Query cache optimization The query cache not only caches the query statement structure, but also caches the query results. Within a period of time, if it is the same SQL, the results will be read directly from the cache to improve the efficiency of data search. But when the data in the cache is inconsistent with the data in the hard disk, the cache will become invalid. mysql> show variables like '%query_cache%'; +----------------

1. MySQL Optimization Detailed Explanation of Cache Optimization (2)

#Introduction: This article is the continuation of the first cache optimization article in the MySQL optimization series. It will introduce all aspects of cache optimization in more detail. I hope You may like

2. MySQL optimization cache optimization detailed explanation (1)

Introduction: The most frequently asked question is about MySQL database performance optimization, so I recently plan to write a series of articles on MySQL database performance optimization, hoping to help junior and intermediate MySQL DBAs and This is helpful to other friends who are interested in MySQL performance optimization.

3. 21 Best MySQL Performance Optimizations

##Introduction: 1. Optimize your queries for query caching. Most MySQL servers have query caching turned on. This is one of the most effective ways to improve performance, and it's handled by the MySQL database engine. When many of the same queries are executed multiple times...

4. CI framework database query cache optimization method_php example

Introduction: This article mainly introduces the CI framework database query cache optimization method, and combines the example form with a more detailed analysis of the opening, closing, use, clearing and other related operation skills of the cache in the CI framework. For precautions, friends in need can refer to

##5.

Introduction to PHP skills: Use APC cache to optimize PHP programs ##Introduction: Introducing PHP skills: using APC cache to optimize PHP programs

6.

Using APC cache to optimize PHP programs_PHP tutorial

Introduction: Use APC cache to optimize PHP programs. Alternative PHP Cache (APC) is a free and public optimized code cache for PHP. It is used to provide a free, open and robust framework for caching and optimizing PHP intermediate code. APC official

7.

laravel installation zend opcache accelerator tutorial_PHP tutorial

Introduction: laravel installation zend opcache accelerator Tutorial. The laravel installation zend opcache accelerator tutorial takes the article page as an example. Through chrome packet capture, the waiting time reaches 147ms. In fact, before caching optimization, this page has about 4 sql statements,

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Laravel installation zend opcache accelerator tutorial, laravelopcache_PHP tutorial

Introduction: laravel installation zend opcache accelerator tutorial, laravelopcache. Laravel installation zend opcache accelerator tutorial, laravelopcache Taking the article page as an example, through chrome packet capture, the waiting time reaches 147ms. In fact, before caching optimization, this page is about

9. PHP Tips: Use APC Cache to Optimize PHP Programs

Introduction: PHP Tips: Use APC Cache to Optimize PHP Programs

10. Use APC cache to optimize PHP programs

Introduction: Use APC cache to optimize PHP programs. Alternative PHP Cache (APC) is a free and public optimized code cache for PHP. It is used to provide a free, open and robust framework for caching and optimizing PHP intermediate code. APC official

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