mysql多實(shí)例部署

1.修改my.cnf

[MySQL]

[mysqld_multi]

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

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

user =

password =

[mysqld1]

#explicit_defaults_for_timestamp=true

port = 3306

skip-name-resolve

server_id=1

datadir=/data/master

max_connections=3000

slow-query-log=on ##開(kāi)啟慢查詢

slow-query-log-file=/var/log/mysql1/mysql-slow-queries.log

long_query_time=3

##開(kāi)啟二進(jìn)制文件

log-bin=/data/master_binlog/mysql1_bin.log

log-bin-index=/data/master_binlog/binlog.index

binlog-do-db=ibuy

innodb_buffer_pool_size=2G #緩存

innodb_log_file_size = 512M

innodb_log_files_in_group = 3

innodb_additional_mem_pool_size = 64M

socket=/var/lib/mysql/mysql3306.sock

pid-file=/data/master/mysql.pid

#query_cache_size = 128M #查詢緩存，合適查操作比較多的數(shù)據(jù)庫(kù)

symbolic-links=0

sql_mode=STRICT_TRANS_TABLES,NO_ENGINE_SUBSTITUTION

log-error=/var/log/mysql1/mysqld.log

user=mysql

[mysqld2]

port=3307

server_id=2

explicit_defaults_for_timestamp=true

skip-name-resolve

datadir=/data/slave

max_connections=3000

slow-query-log=on ##開(kāi)啟慢查詢

slow-query-log-file=/var/log/mysql2/mysql-slow-queries.log

long_query_time=3

log-bin=/data/slave_binlog/mysql_bin.log ##開(kāi)啟二進(jìn)制文件

log-bin-index=/data/slave_binlog/binlog.index

binlog-do-db=ibuy

innodb_buffer_pool_size=3G #緩存

innodb_log_file_size = 512M

innodb_log_files_in_group = 3

innodb_additional_mem_pool_size = 64M

socket=/var/lib/mysql/mysql3307.sock

pid-file=/data/slave/mysql.pid

#query_cache_size =512M #查詢緩存，合適查操作比較多的數(shù)據(jù)庫(kù)

symbolic-links=0

sql_mode=STRICT_TRANS_TABLES,NO_ENGINE_SUBSTITUTION

log-error=/var/log/mysql2/mysqld.log

user=mysql

[mysqld_safe]

#max_allowed_packet=20480

#log-error=/var/log/mysql/mysqld.log

#pid-file=/var/run/mysqld/mysqld.pid

2.創(chuàng)建數(shù)據(jù)目錄

		
			
			
				mkdir -p /data/master
			
			
				mkdir -p /data/slave
			
			
				mkdir -p /data/master_binlog
			
			
				mkdir -p /data/slave_binlog
			
			
				mkdir /var/log/mysql1
			
			
				mkdir/var/log/mysql2
			
			
				chown mysql.mysql /data/master -R
			
			
				chown mysql.mysql /data/slave -R
			
			
				chmod 777 /var/log/mysql1
			
			
				chmod 777/var/log/mysql2
			
			
				chmod 777 /var/lib/mysql

3.初始化DB

/usr/local/mysql/scripts/mysql_install_db--datadir=/data/master

/usr/local/mysql/scripts/mysql_install_db--datadir=/data/slave

4. 安裝工具

	
		
		
			cp /usr/local/mysql/bin/my_print_defaults /usr/bin/
		
		
			cp /usr/local/mysql/bin/mysqld_multi /usr/bin

5.修改環(huán)境變量

#vim /etc/profile

PATH=$PATH:/usr/local/mysql/bin

export PATH

1.mysql啟動(dòng)

應(yīng)縣網(wǎng)站建設(shè)公司創(chuàng)新互聯(lián),應(yīng)縣網(wǎng)站設(shè)計(jì)制作，有大型網(wǎng)站制作公司豐富經(jīng)驗(yàn)。已為應(yīng)縣上千提供企業(yè)網(wǎng)站建設(shè)服務(wù)。企業(yè)網(wǎng)站搭建\外貿(mào)網(wǎng)站建設(shè)要多少錢，請(qǐng)找那個(gè)售后服務(wù)好的應(yīng)縣做網(wǎng)站的公司定做！

	
		
		
			mysqld_multi start 1 啟動(dòng)實(shí)例1
		
		
			mysqld_multi start 1-2 啟動(dòng)實(shí)例1,2

2.命令行登陸

	
		
		
			mysql -u your_user -p your_password -P3307 -S /tmp/mysql3307.sock
		
	
			
	
			由于涉及權(quán)限問(wèn)題，mysqld_multi不能控制關(guān)閉mysql多實(shí)例，自己寫了個(gè)關(guān)閉腳本
	
			
	
			
		#!/bin/bash
		
		user=""
		password=""
		read -p "Please input mysqld ID 1-2:" ID
		if [ "$ID" == "1" ]; then
		#read -p "Please input mysqld port number 3306-3307:" port
		/usr/local/mysql/bin/mysqladmin -u$user -p$password -S /var/lib/mysql/mysql3306.sock shutdown && echo "close mysqld master successful"
		elif [ "$ID" == "2" ]; then
		/usr/local/mysql/bin/mysqladmin -u$user -p$password -S /var/lib/mysql/mysql3307.sock shutdown && echo "close mysqld slave successful"
		else
		echo "Please input mysqld ID 1-2:"
		fi

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mysql多實(shí)例部署

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