MySQL New Version Selection The company mainly used the mysql5.5 version in the early days. This year we built the database configuration center and mainly promoted the mysql5.6 version. The performance and functions have been improved to a certain extent. Mysql5. 6 can also support gtid, but it cannot switch between gtid mode and normal mode online. At the same time, the synchronization performance of 5.6 is still unsatisfactory. It can only start parallel replication in the case of multiple DBs, which is difficult to do in business. Guaranteed, so once the write operation is intensive, slow synchronization will be a serious problem; therefore, I have been considering upgrading MySQL recently. One of the first problems faced when upgrading MySQL is to choose a suitable version. First, we consider using mysql5 .7 and 5.7 have been released in multiple official versions this year. They are currently used in a wide range of applications and can be considered for use in the official environment. So we conducted an online comparison test and found that there was a big gap in performance between mysql5.7 and our online version of mysql5.6 (perhaps it was because some parameters were not adjusted well, 5.7 is indeed much more complicated). At the same time, the company has frequently experienced some log storage issues recently
1. Share two problems encountered when using Mariadb
Introduction: MySQL new version selection The company mainly used mysql5.5 in the early days. This year we built a database configuration center and mainly recommended mysql5.6. The version, performance and functions have been improved to a certain extent. Mysql5.6 can also support gtid, but it cannot switch between gtid mode and normal mode online. At the same time, the synchronization performance of 5.6 is still unsatisfactory, and it can only be done in When multiple DBs start parallel replication, it is difficult to have such a guarantee in business, so once the write operation is intensive, slow synchronization will be a serious problem;...
2. Configuring database connection and json conversion
##Introduction: This article mainly introduces ASP Various configuration methods for connecting to databases in .NET, including a detailed introduction to MSSQL, Access, Oracle, SQLite, and MySQL database configurations. It has certain reference value. Those who are interested can learn more.
3. Step-by-step tutorial on OpenGL library configuration under VS2015
Introduction: This article mainly introduces the configuration tutorial of the OpenGL library under visual studio 2015 in detail. It has certain reference value. Interested friends can refer to it
4. Detailed explanation of PHP operation of MySQL database (2)
##Introduction: Reading and delete news list implementation code 1. First write a separate php file (conn.php) for PHP to connect to MySQL database //**********************PHP to connect to MySQL database* *******************##5. CodeIgniter study notes Item4--Database operations in CI
Introduction: The CI database configuration file is /application/config/database.php
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How to implement ThinkPHP custom Redis processing SESSION##Introduction: This article mainly introduces ThinkPHP customization The implementation method of Redis processing SESSION is analyzed in the form of examples. ThinkPHP related database configuration and custom Redis processing session implementation techniques are analyzed. Friends in need can refer to
7. thinkphp Set DB_CHARSET to utf8mb4
简介:tp3.2.3数据库配置 'DB_CHARSET'=> 'utf8mb4',执行报错。如下 {代码...} 如果不用tp,使用原生的sql ‘set names utf8mb4’ 执行没问题。到底哪里出错了 求解决!谢谢! 8. thinkphp设置DB_CHARSET为utf8mb4 简介:tp3.2.3数据库配置 'DB_CHARSET'=> 'utf8mb4',执行报错。如下 {代码...} 如果不用tp,使用原生的sql ‘set names utf8mb4’ 执行没问题。到底哪里出错了 求解决!谢谢! 简介:经常性闭门造车,对PHP其他的事了解甚少。今天在研究Typeche的时候又遇到了类似: {代码...} {代码...} 的数据库配置,想知道这个格式的配置的相关信息,百度也不好百度,今天跟踪代码也没找到,求各位大大指点一... 10. PHP的一个库,求详细信息。 简介:经常性闭门造车,对PHP其他的事了解甚少。今天在研究Typeche的时候又遇到了类似: {代码...} {代码...} 的数据库配置,想知道这个格式的配置的相关信息,百度也不好百度,今天跟踪代码也没找到,求各位大大指点一... 【相关问答推荐】: php - 在高并发项目中,缓存,opcode代码块,服务器、数据库的配置,是在什么时候做的呢? python - 请问以下Flask数据库配置哪里出错了呢?我是根据教程一步一步来做的:
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