MySQL多實例配置方法

1、單一配置文件

2、多配置文件。

二、實戰步驟：

1、同步時間

2、準備mysql依賴包

3、環境準備

3.1添加mysql用戶

3.2編譯安裝mysql

4、安裝MySQL多實例

5、準備配置文件

6、啟動MySQL

7、登錄mysql與一些安全措施

8、關閉MySQL

9,、提供簡易管理腳本

10、為mysql的root用戶創建密碼

11、附，多配置文件安裝mysql多實例，這里增加mysql 的3309端口

12、總結

1、同步時間yuminstall?epel*

ntp 202.120.2.101

yuminstall?-y ntp

ntpdate 202.120.2.101

hwclock -w

2、準備mysql依賴包yuminstall?-y autoconf* automake* zlib* libxml* ncurses-devel* libgcrypt* libtool* openssl*

yuminstall?cmake -y

3、環境準備

3.1添加mysql用戶groupadd mysql

useradd?-g mysql mysql

mkdir-pv/data/{3306,3307,3308}/data

chown-R mysql.mysql/data/

cd?/usr/local/src/

3.2編譯安裝mysqltar?-xf mysql-5.5.45.tar.gz

cd?mysql-5.5.45

chown?mysql.mysql -R .

cmake . -DCMAKE_INSTALL_PREFIX=/usr/local/mysql?\

-DMYSQL_DATADIR=/data?\

-DSYSCONFDIR=/etc?\

-DWITH_INNOBASE_STORAGE_ENGINE=1 \

-DWITH_ARCHIVE_STORAGE_ENGINE=1 \

-DWITH_BLACKHOLE_STORAGE_ENGINE=1 \

-DWITH_READLINE=1 \

-DWITH_SSL=system \

-DWITH_ZLIB=system \

-DWITH_LIBWRAP=0 \

-DMYSQL_UNIX_ADDR=/tmp/mysql.sock \

-DDEFAULT_CHARSET=utf8 \

-DDEFAULT_COLLATION=utf8_general_ci

gmake

make?install

4、安裝MySQL多實例cd?/usr/local/mysql/

scripts/mysql_install_db?--user=mysql --basedir=/usr/local/mysql?--datadir=/data/3306/

scripts/mysql_install_db?--user=mysql --basedir=/usr/local/mysql?--datadir=/data/3307/

scripts/mysql_install_db?--user=mysql --basedir=/usr/local/mysql?--datadir=/data/3308/

5、準備配置文件mysqld_multi --example >/data/multi.cnf#提供多配置文件模板vim/data/multi.cnf#修改模板，這里比較簡易

[mysqld_multi]

mysqld =/usr/local/mysql/bin/mysqld_safe

mysqladmin =/usr/local/mysql/bin/mysqladmin

user = root

#這個用戶應該有關機權限，然后沒有其他的權限。建議創建一個通用的,multi_admin用戶控制其它的MySQL用戶，這里有個例子

#GRANT SHUTDOWN ON *.* TO multi_admin@localhost IDENTIFIED BY 'password'

[mysqld1]

socket =/tmp/mysql.sock1

port = 3306

pid-file?=/data/3306/mysql.pid

datadir =/data/3306/data

[mysqld2]

socket =/tmp/mysql.sock2

port = 3307

pid-file?=/data/3307/mysql.pid

datadir =/data/3307/data

#language = /usr/local/mysql/share/mysql/english

#user = unix_user1

[mysqld3]

#mysqld = /path/to/mysqld_safe

#ledir = /path/to/mysqld-binary/

#mysqladmin = /path/to/mysqladmin

socket =/tmp/mysql.sock3

port = 3308

pid-file?=/data/3308/mysql.pid

datadir =/data/3308/data

#language = /usr/local/mysql/share/mysql/swedish

#user = unix_user2

以上是簡易的配置文件。這個配置文件只能讓MySQL啟動起來。

6、啟動MySQLmysqld_multi --defaults-file=/data/multi.cnf start 1,2,3

ss -tnl#查看監聽端口

LISTEN 0 50 *:3306 *:*

LISTEN 0 50 *:3307 *:*

LISTEN 0 50 *:3308 *:*

7、登錄mysql與一些安全措施mysql -S/tmp/mysql.sock1#指定socket登錄mysql> show databases;

+--------------------+

| Database |

+--------------------+

| information_schema |

| mysql |

| performance_schema |

|test?|

+--------------------+

4 rowsin?set?(0.01 sec)

mysql> drop databasetest;

Query OK, 0 rows affected (0.04 sec)

mysql>select?User,Host from mysql.user;

+------+-----------+

| User | Host |

+------+-----------+

| root | 127.0.0.1 |

| root | ::1 |

| | localhost |

| root | localhost |

| | node1 |

| root | node1 |

+------+-----------+

6 rowsin?set?(0.01 sec)

mysql> delete from mysql.user where User='';

Query OK, 2 rows affected (0.00 sec)

mysql> delete from mysql.user where Host='::1';

Query OK, 1 row affected (0.00 sec)

mysql> delete from mysql.user where Host='node1';

Query OK, 1 row affected (0.00 sec)

其余的操作類似，就不在演示

8、關閉MySQLmysqladmin -S/tmp/mysql.sock1shutdown?建議使用

musqld_multi --defaults-file?stop [#,#]

killall mysqld 不建議使用

9,、提供簡易管理腳本#!/bin/bash

#

basedir=/usr/local/mysql

bindir=/usr/local/mysql/bin

conf=/data/multi.cnf

export?PATH=$bindir:/$PATH

if?test?-x $bindir/mysqld_multi

then

mysqld_multi="$bindir/mysqld_multi";

else

echo?"Can't execute $bindir/mysqld_multi from dir $basedir";

exit;

fi

case?"$1"?in

'start'?)

"$mysqld_multi"?--defaults-extra-file=$conf start $2

;;

'stop'?)

"$mysqld_multi"?--defaults-extra-file=$conf stop $2

;;

'report'?)

"$mysqld_multi"?--defaults-extra-file=$conf report $2

;;

'restart'?)

"$mysqld_multi"?--defaults-extra-file=$conf stop $2

"$mysqld_multi"?--defaults-extra-file=$conf start $2

;;

*)

echo?"Usage: $0 {start|stop|report|restart}"?>&2

;;

esac

10、為mysql的root用戶創建密碼mysqladmin -uroot -S/tmp/mysql.sock2 password"123456"#指定socket文件位置即可

其余的操作一樣

11、附，多配置文件安裝mysql多實例，這里增加mysql 的3309端口mkdir?-pv/data/3309/data

chown?mysql.mysql -R 3309/

cd?/usr/local/mysql

scripts/mysql_install_db--datadir=/data/3309/data/--user=mysql --basedir=/usr/local/mysql/

cp?support-files/my-small.cnf/data/3309/my.cnfvim/data/3309/my.cnf

[client]

port = 3309#這里也需要注意下吧

socket =/tmp/mysql.sock4

[mysqld]

port = 3309#注意端口

socket =/tmp/mysql.sock4#注意socket

skip-external-locking

key_buffer_size = 16K

max_allowed_packet = 1M

table_open_cache = 4

sort_buffer_size = 64K

read_buffer_size = 256K

read_rnd_buffer_size = 256K

net_buffer_length = 2K

thread_stack = 128K

datadir=/data/3309/data?#注意datadir

server-id?= 1

[mysqldump]

quick

max_allowed_packet = 16Mmysqld_safe --defaults-file=/data/3309/my.cnf 2&1> >/dev/null#啟動mysqldss -tnl |grep?330#查看端口

LISTEN 0 50 *:3306 *:*

LISTEN 0 50 *:3307 *:*

LISTEN 0 50 *:3308 *:*

LISTEN 0 50 *:3309 *:*

總結

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