rpm -Uhv http://www.percona.com/redir/downloads/percona-release/percona-release-0.0-1.x86_64.rpm


yum install Percona-Server-shared-56 Percona-Server-client-56 Percona-Server-server-56 -y


/etc/my.cnf


# Generated by Percona Configuration Wizard (http://tools.percona.com/) version REL5-20120208
# Configuration name server-3 generated for w123dog@gmail.com at 2014-01-03 08:40:38

[client]
default-character-set          = utf8

[mysql]

# CLIENT #
port                           = 3306
socket                         = /var/lib/mysql/mysql.sock
default-character-set          = utf8

[mysqld]

# GENERAL #
user                           = mysql
default-storage-engine         = InnoDB
socket                         = /var/lib/mysql/mysql.sock
pid-file                       = /var/lib/mysql/mysql.pid
character-set-server           = utf8

# MyISAM #
key-buffer-size                = 32M
myisam-recover                 = FORCE,BACKUP

# SAFETY #
max-allowed-packet             = 16M
max-connect-errors             = 1000000
skip-name-resolve
#sql-mode                       = STRICT_TRANS_TABLES,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_AUTO_VALUE_ON_ZERO,NO_ENGINE_SUBSTITUTION,NO_ZERO_DATE,NO_ZERO_IN_DATE,ONLY_FULL_GROUP_BY
sysdate-is-now                 = 1
innodb                         = FORCE
innodb-strict-mode             = 1

# DATA STORAGE #
datadir                        = /var/lib/mysql/

# BINARY LOGGING #
log-bin                        = /var/lib/mysql/mysql-bin
expire-logs-days               = 14
sync-binlog                    = 1

# CACHES AND LIMITS #
tmp-table-size                 = 32M
max-heap-table-size            = 32M
query-cache-type               = 0
query-cache-size               = 0
max-connections                = 500
thread-cache-size              = 50
open-files-limit               = 65535
table-definition-cache         = 1024
table-open-cache               = 2048

# INNODB #
innodb-flush-method            = O_DIRECT
innodb-log-files-in-group      = 2
innodb-log-file-size           = 64M
innodb-flush-log-at-trx-commit = 1
innodb-file-per-table          = 1
innodb-buffer-pool-size        = 128M

# LOGGING #
log-error                      = /var/lib/mysql/mysql-error.log
log-queries-not-using-indexes  = 1
slow-query-log                 = 1
slow-query-log-file            = /var/lib/mysql/mysql-slow.log



service mysql start

mysql_secure_installation


如果需要升级，可以直接执行如下命令：

yum update -y Percona-Server-shared-56 Percona-Server-client-56 Percona-Server-server-56