# yum -y install autoconf libaio libaio-devel
# groupadd mysql
# useradd -r -g mysql -s /sbin/nologin mysql
# wget http://mirrors.sohu.com/mysql/MySQL-5.6/mysql-5.6.36-linux-glibc2.5-x86_64.tar.gz         #下载编译完成的包，性能更可靠
# tar -zxvf mysql-5.6.36-linux-glibc2.5-x86_64.tar.gz
# mv mysql-5.6.36-linux-glibc2.5-x86_64 /usr/local/mysql-5.6.36
# ln -s /usr/local/mysql-5.6.36 /usr/local/mysql
# chown -R mysql:mysql /usr/local/mysql-5.6.36/

[client]  
port            = 3306  
socket          = /data/3306/mysql.sock  

[mysql]  
no-auto-rehash  

[mysqld]  
user    = mysql  
port    = 3306  
socket  = /data/3306/mysql.sock  
basedir = /usr/local/mysql
datadir = /data/3306/data
tmpdir = /tmp
open_files_limit    = 65535  
character-set-server = utf8mb4
back_log = 500  
max_connections = 3000  
max_connect_errors = 10000
#table_cache = 6144
max_allowed_packet =8M
sort_buffer_size = 1M  
join_buffer_size = 1M  
thread_cache_size = 100  
thread_concurrency = 2
query_cache_size = 64M
query_cache_type = 1
#default_table_type = InnoDB  
#transaction_isolation = READ-COMMITTED
tmp_table_size = 512M
max_heap_table_size = 256M
table_open_cache = 512
log_error=/data/3306/mysql_3306.err
slow_query_log_file = /data/3306/mysql-slow.log
slow_query_log = 1
long_query_time =0.5

pid-file = /data/3306/mysql.pid
log-bin = /data/3306/mysql-bin
relay-log = /data/3306/relay-bin
relay-log-info-file = /data/3306/relay-log.info  
binlog_cache_size = 2M
binlog_format = row
log-slave-updates
max_binlog_cache_size = 4M
max_binlog_size = 256M  
expire_logs_days = 7
#myisam_sort_buffer_size = 1M
#myisam_max_sort_file_size = 10G
#myisam_max_extra_sort_file_size = 10G
#myisam_repair_threads = 1  
#myisam_recover  

skip-name-resolve
skip-host-cache
replicate-ignore-db = mysql  

server-id = 71  

innodb_additional_mem_pool_size = 8M
innodb_buffer_pool_size = 16G             #设置成内存的60-70%最好  
innodb_data_file_path = ibdata1:128M;ibdata2:128M:autoextend
innodb_flush_method = O_DIRECT
innodb_flush_log_at_trx_commit = 2
innodb_log_buffer_size = 4M
innodb_log_file_size = 2G
innodb_log_files_in_group = 3
innodb_file_per_table = 1
[mysqldump]  
quick
max_allowed_packet = 8M

# chown mysql.mysql -R /data/3306/
# cd /usr/local/mysql/scripts/
# ./mysql_install_db \
--defaults-file=/data/3306/my.cnf \
--basedir=/usr/local/mysql/ \
--datadir=/data/3306/data/ --user=mysql

#添加环境变量
# echo 'export PATH=/usr/local/mysql/bin/:$PATH' >> /etc/profile
# source /etc/profile

#!/bin/sh  

#init  
port=3306  
mysql_user="root"  
mysql_pwd="Root123"  
cmdpath="/usr/local/mysql/bin"  
mysql_sock="/data/${port}/mysql.sock"  
#startup function  
function_start_mysql()  
{  
    if [ ! -e "$mysql_sock" ];then  
      echo "starting mysql…" 
      /bin/sh ${cmdpath}/mysqld_safe --defaults-file=/data/${port}/my.cnf 2>&1 > /devull &  
    else  
      echo "mysql is running…"  
      exit  
    fi  
}  

#stop function  
function_stop_mysql()  
{  
    if [ ! -e "$mysql_sock" ];then  
       echo "mysql is stopped…"  
    else  
       echo "stoping mysql…"  
       ${cmdpath}/mysqladmin -u ${mysql_user} -p${mysql_pwd} -S /data/${port}/mysql.sock shutdown  
   fi  


}  

#restart function  
function_restart_mysql()  
{  
    echo "restarting mysql…"  
    function_stop_mysql  
    sleep 2  
    function_start_mysql  
}  

case $1 in  

start)  

    function_start_mysql  
;;  

stop)  

    function_stop_mysql  
;;  

restart)  

    function_restart_mysql  
;;  

*)  
    echo "usage: /data/${port}/mysql {start|stop|restart}"  
esac