How to install Zephyr test management tool on CentOS 7.x
Test Management refers to everything that testers need. Test Management tools are used to record test execution results, plan test activities, and report on quality control activities. In this
Regardless of the version of the mysql client that the client uses to connect to the server, it is found that character_set_client, character_set_connection, character_set_results will always be consistent with the server after the
The default Character Set of installed MySQL is latin1. To change the character set to what you need (such as utf8), you must change the related configuration file; in linux, the default installation directory of MySQL is distributed in different
[MySQL notes] the installation and configuration steps of mysql source code and the configuration methods that support Chinese gbkgb2312 encoding have been taken for a long time. I hope this will help more beginners.
Note: This document uses the
Tuning bitsCN.com using Mysqlmy. cnf
Mysql Performance Tuning (my. cnf parameters)The reasonable optimization of MySQL directly affects the speed and carrying capacity of the database!MySQL is also the most difficult part of optimization. it not
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I. Role of master and slave:
1. It can be used as a backup method.
2. read/write splitting to relieve the pressure on a database
II. Environment:
OS CentOS5.5
DB MySQL5.5.3-m3
To install CentOS5.5, see
Install
MySQL database Optimization
How should we optimize the MySQL database? Next I will explain this problem from MySQL's hardware selection, MySQL installation, my. cnf optimization, MySQL architecture design, and data splitting.
Optimization of server
Mysql one-click installation tutorial mysql5.1.45 Automatic Installation (Compilation and installation), mysqlmysql5.1.45
I. Problem Source Install MySQL. If you can install one instance manually, but it is difficult to Install Multiple instances
installed MySQL's default character set is Latin1, in order to change its character set to the user needs (such as UTF8), you must change its relevant configuration file; Because Linux under the MySQL default installation directory is distributed
Installation Environment
CentOS 5.4
MySQL 5.1.xx with rpm direct installation
Xtrabackup 1.2.22 with RPM direct installation
Copy Code code as follows:
[Mysqld]
Server-id = 1
Log-bin
Innodb_flush_log_at_trx_commit=1
One of the new features of MySQL 5.6 is the addition of a global transaction ID (Gtid) to enhance the database's primary provisioning consistency, failback, and fault tolerance.
What is Gtid?
Official documentation:http://dev.mysql.com/doc/refman/5
Installation Environment: CentOS 5.4MySQL version: MySQL 5.1.xx with rpm direct installationRequired Software: Xtrabackup 1.2.22 with RPM direct installation1. master:/etc/my.cnf
Copy Code code as follows:
[Mysqld]
Server-id = 1
IntroducedMySQL is an open-source database management system that is usually installed as part of the popular lamp (Linux,apache,mysql,php/python/perl) stack. It uses relational databases and SQL (Structured Query Language) to manage its data.The
Objective: To avoid garbled occurrences, keep the server, database, project, and front-end code consistent.First, the project and the front-end code, set.MyEclipse---> Right-click Project--->properties--->resource--->text file encoding-----> select
First, login MySQL view with show VARIABLES like ' character% '; The following character set, shown below:+--------------------------+----------------------------+| Variable_name | Value |+--------------------------+----------------------------+|
Software EnvironmentOperating system: Windows x64 Enterprise Edition Mysql:mysql-5.7.11-winx64 MySQL official website download: http://downloads.mysql.com/archives/community/can choose the historical version Navicat for Mysql:https://www.navicat.com.
The database is garbled because of the MySQL encoding cause.Workaround:Modifying the MySQL database character encoding for Utf-8,utf-8 contains the characters that are required for all countries worldwide and is an international code.Specific
There is time to write today, otherwise the heart is always a bit uncomfortable. single-Machine multi-instance has always been the style of the cock silk ...Experimental environmentRHEL6.5172.24.0.130 3306172.24.0.130 330701, the use of the MySQL
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