Mysql 5.5多執行個體部署步驟

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由於臨時的需求,需要在一台主機上啟動多個mysql的執行個體,對應不同的連接埠。
步驟如下:
1,安裝mysql。
2,分別設定不同執行個體的設定檔。
3,建立不同執行個體的datadir,並執行資料庫初始化。
4,啟動不同的mysql執行個體。

以下是詳細的安裝方法:
1,安裝mysql
使用源碼安裝.

tar -zxvf mysql-5.5.49.tar.gz cd mysql-5.5.49mkdir /usr/local/mysqlcmake - -DCMAKE_INSTALL_PREFIX=/usr/local/mysqlmakemake install 

2,先設定下my.cnf

 cp support-files/my-medium.cnf /etc/my.cnf  chown mysql:mysql -R /usr/local/mysql/./scripts/mysql_install_db --user=mysql --basedir=/usr/local/mysql --datadir=/dbdata/mysql/data初始化資料庫

3,設定不同的目錄檔案

mkdir -p /dbdata/{3307,3308,3309}/datacp /etc/my.cnf /dbdata/3307/cp /etc/my.cnf /dbdata/3308/cp /etc/my.cnf /dbdata/3309/vim /dbdata/3307/my.cnf ++++++++++++++++++[client]port        = 3307socket      = /dbdata/3307/mysql.sock[mysqld]port        = 3307socket      = /dbdata/3307/mysql.sockskip-external-lockingkey_buffer_size = 16Mmax_allowed_packet = 1Mtable_open_cache = 64sort_buffer_size = 512Knet_buffer_length = 8Kread_buffer_size = 256Kread_rnd_buffer_size = 512Kmyisam_sort_buffer_size = 8Mskip-name-resolvebasedir = /usr/local/mysqldatadir = /dbdata/3307/datalog-bin=mysql-binbinlog_format=mixedserver-id   = 1[mysqldump]quickmax_allowed_packet = 16M[mysql]no-auto-rehash[myisamchk]key_buffer_size = 20Msort_buffer_size = 20Mread_buffer = 2Mwrite_buffer = 2M[mysqlhotcopy]interactive-timeout[mysqld_safe]log-error=/dbdata/3307/3307.errpid-file=/dbdata/3307/3307.pid

分別更改 3308 3309連接埠的設定檔
4,初始化啟動

/usr/local/mysql/scripts/mysql_install_db --basedir=/usr/local/mysql --datadir=/dbdata/3307/data --user=mysql /usr/local/mysql/scripts/mysql_install_db --basedir=/usr/local/mysql --datadir=/dbdata/3308/data --user=mysql /usr/local/mysql/scripts/mysql_install_db --basedir=/usr/local/mysql --datadir=/dbdata/3309/data --user=mysql啟動:/usr/local/mysql/bin/mysqld_safe --defaults-file=/dbdata/3307/my.cnf &/usr/local/mysql/bin/mysqld_safe --defaults-file=/dbdata/3308/my.cnf &/usr/local/mysql/bin/mysqld_safe --defaults-file=/dbdata/3309/my.cnf &登陸: mysql -uroot -p -S /dbdata/3308/mysql.sock更改密碼mysqladmin -uroot -p password 123456 -S /dbdata/3307/mysql.sock

完成。

Mysql 5.5多執行個體部署步驟

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