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This article mainly explains "centos7 how to install percona Server server", the content of the article is simple and clear, easy to learn and understand, the following please follow the editor's ideas slowly in depth, together to study and learn "centos7 how to install percona Server server" bar!

Introduction to Percona Server

Percona Server is an improved version of MySQL. Using XtraDB storage engine, it has a significant improvement over MySQL in terms of function and performance, such as improving the performance of InnoDB under high load, providing DBA with some very useful performance diagnostic tools, and more parameters and commands to control server behavior.

Percona Server installation

Platform description:

Centos 7, Percona Server 5.6

Execute user root, install using user centralight

1. Update yum

Yum install http://www.percona.com/downloads/percona-release/redhat/0.1-3/percona-release-0.1-3.noarch.rpm

two。 Installation

Yum install Percona-Server-client-56 Percona-Server-server-56

Installation if there is a conflict and mysql has been installed before, you need to uninstall it

Rpm-qa | grep mysqlrpm-qa | grep mariadbrpm-e [Software ID]

3. Non-multi-instance configuration and startup

Default profile path / etc/my.cnf

Initialize mysql_install_db-- user=centralight-- datadir=/cl/data/mysql/percona3311 launch mysqld_safe-- user=centralight-- datadir=/cl/data/mysql-- defaults-file=/cl/dist/conf/mysql/my.cnf

4. Multi-instance configuration and startup

Chown-R centralight / cl/data/mysql/percona3311 mysql_install_db-datadir=/cl/data/mysql/percona3311-user=centralight

All profile directories

The default configuration file path / etc/my.cnf is modified as follows

[client] user = root password = 123 # Here follows entries for some specific programs [mysqld_multi] mysqld = / usr/bin/mysqld_safe mysqladmin = / usr/bin/mysqladmin [mysqld3311] socket = / var/lib/mysql/mysql3311.sock port = 3311 datadir = / cl/data/mysql/percona3311 pid-file = / var/lib/mysql/hostname.pid3311 user = centralight skip-external-locking key_buffer_size = 16m max_allowed_packet = 1m table_open_cache = 64 sort_buffer_size = 512K

Start

Mysqld_multi-defaults-file=/etc/my.cnf-log=/cl/log/mysql/mysql.log start 3311

Report statu

Mysqld_multi-defaults-file=/etc/my.cnf report 3311

5. Log in to the database to modify users and permissions, and connect remotely

Mysql-uroot-p-h227.0.0.1-P3311 mysql > use mysql; mysql > update user set host='%' where host=' localhost' and user='root' mysql > flush privileges

Set password

Mysql > UPDATE user SET Password=password ("123") WHERE user='root' and host='%'; mysql > flush privileges

If you cannot connect remotely, turn off the firewall and try

CentOS 7.0 uses firewall as the firewall by default

Systemctl stop firewalld.service systemctl disable firewalld.service thank you for reading, the above is the content of "how to install percona Server server in centos7". After the study of this article, I believe you have a deeper understanding of how to install percona Server server in centos7, and the specific use needs to be verified in practice. Here is, the editor will push for you more related knowledge points of the article, welcome to follow!

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