一、安装说明
1.Mysql安装方式有源码、RPM、yum、二进制安装，这里采用二进制安装，
网上调研二进制安装和源码安装后的性能差不多，
但二进制安装包是编译好的直接可执行的mysql程序文件。
2.安装的系统是Linux Cent Os 6.5 (2核、2G内存)
3.Mysql版本 目前最新为5.6.31
4.Mysql 安装根目录 /opt/mysql
数据文件目录为 /opt/mysql/data
配置文件存放在 /etc/my.cnf
二、Mysql参数文件 my.cnf配置
my.cnf中的各参数配置参考如下：[client]
port = 3306
socket = /opt/mysql/mysql.sock
[mysqld]
port = 3306
socket = /opt/mysql/mysql.sock
basedir = /opt/mysql
datadir = /opt/mysql/data
skip-external-locking
key_buffer_size = 32M
max_allowed_packet = 16M
table_open_cache = 512
net_buffer_length = 8K
read_buffer_size = 2M
read_rnd_buffer_size = 8M
myisam_sort_buffer_size = 8M
lower_case_table_names= 1
init_connect='SET NAMES utf8mb4'
log_bin_trust_function_creators=1
innodb_buffer_pool_size=1024M
innodb_log_file_size=256M
innodb_io_capacity=500
innodb_io_capacity_max=700
innodb_lru_scan_depth=2000
innodb_lock_wait_timeout = 200
innodb_file_per_table=1
# 主从配置记得server-id需要补同
server-id= 1
#Binary log/replication
#log-bin=mysql-bin
#binlog-do-db=test_mysql
#binlog-ignore-db=mysql
#binlog-do-db=merchantdb
sync_binlog=1
sync_relay_log=1
relay-log-info-repository=TABLE
master-info-repository=TABLE
expire_logs_days=5
binlog_format=ROW
transaction-isolation=READ-COMMITTED
innodb_autoinc_lock_mode = 2
character-set-server=utf8mb4
collation-server=utf8mb4_general_ci
max-connect-errors=500
max-connections=200
[mysqldump]
socket = /opt/mysql/mysql.sock
quick
max_allowed_packet = 16M
[mysql]
no-auto-rehash
# Remove the next comment character if you are not familiar with SQL
#safe-updates
[myisamchk]
key_buffer_size = 20M
sort_buffer_size = 20M
read_buffer = 2M
write_buffer = 2M
[mysqlhotcopy]
interactive-timeout
[mysqld_multi]
mysqld = /opt/mysql/bin/mysqld_safe
mysqladmin = /opt/mysql/bin/mysqladmin
#log = /var/log/mysqld_multi.log
# user = multi_admin
# password = secret
三、具体参考步骤
安装包下载网址：http://dev.mysql.com/downloads/mysql/5.6.html#downloads
选择二进制格式（Generic）的安装包，如：mysql-5.6.31-linux-glibc2.5-x86_64.tar.gz
具体步骤参考如下：
[root@i-testdb opt]# pwd
/opt
[root@i-testdb opt]# tar -xvf mysql-5.6.31-linux-glibc2.5-x86_64.tar.gz
[root@i-testdb opt]# mv mysql-5.6.31-linux-glibc2.5-x86_64 mysql
[root@i-testdb opt]# groupadd mysql
[root@i-testdb opt]# useradd -g mysql mysql
[root@i-testdb opt]# cd ./mysql
[root@i-testdb mysql]# chown -R mysql:mysql .
[root@i-testdb mysql]# yum install libaio.so.1
[root@i-testdb mysql]# yum install libncurses.so.5
[root@i-testdb mysql]# vi /etc/profile
# 添加环境变量,在/etc/profile文件内容底部添加如下两行信息
# mysql env
export PATH=$PATH:/opt/mysql/bin
# 初始化mysql数据库
[root@i-testdb mysql]#
./scripts/mysql_install_db
--user=mysql
--basedir=/opt/mysql
--datadir=/opt/mysql/data/
[root@i-testdb mysql]# cp ./support-files/mysql.server /etc/init.d/mysqld
# 启动mysql 有以下两种方式：
[root@i-testdb mysql]# /etc/init.d/mysqld start
# 或者
[root@i-testdb mysql]# service mysqld start
# 为root用户设置密码
[root@i-testdb mysql]# /opt/mysql/bin/mysqladmin -u root password 'root123'
# 为sock文件创建在/tmp文件目录下单链接，有些程序需要用到
[root@i-testdb mysql]# ln -s /opt/mysql/mysql.sock /tmp/mysql.sock
# mysql 提供的一些初始化后数据库安全建议，这个需要/tmp下的mysql.sock文件
[root@i-testdb mysql]# /opt/mysql/bin/mysql_secure_installation
至此，mysql二进制安装完成！