mysql多实例（个人的情况，不是大众的）里面有配置好的脚本
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[root@DB-S ~]# ll /usr/local/|grep mysql lrwxrwxrwx. 1 root root 21 Jun 14 01:52 mysql -> /alidata/server/mysql #这是脚本免编译的安装的环境（比较复杂）
[root@DB-S /]# tree /data/
/data/
├── 3307
│ └── data
└── 3308
└── data
4 directories, 0 files
[root@DB-S 3307]# find /data -type f -name mysql |xargs chmod 700
[root@DB-S scripts]# ls mysql_install_db [root@DB-S scripts]# pwd /alidata/server/mysql/scripts
[root@DB-S scripts]# ./mysql_install_db --basedir=/alidata/server/mysql --datadir=/data/3307/data --user=mysql [root@DB-S scripts]# ./mysql_install_db --basedir=/alidata/server/mysql --datadir=/data/3308/data --user=mysql
/usr/local/mysql/bin/mysqld: File ‘/data/3307/mysql-bin.index‘ not found (Errcode: 13) 160614 5:46:15 [ERROR] Aborting #没有权限 root@DB-S data]# chown -R mysql:mysql 330* [root@DB-S data]# ll total 8 drwxr-xr-x. 3 mysql mysql 4096 Jun 14 06:03 3307 drwxr-xr-x. 3 mysql mysql 4096 Jun 14 05:48 3308
[root@DB-S 3308]# ./mysql start + port=3308 + echo 3308 3308 + mysql_user=root + CmdPath=/usr/local/mysql/bin + mysql_sock=/data/3308/mysql.sock + case $1 in + function_start_mysql + ‘[‘ ‘!‘ -e /data/3308/mysql.sock ‘]‘ + printf ‘Starting MySQL.....\n‘ Starting MySQL..... + /bin/bash /usr/local/mysql/bin/mysqld_safe --defaults-file=/data/3308/my.cnf
[root@DB-S 3308]# netstat -lnutp|grep mysqld tcp 0 0 0.0.0.0:3306 0.0.0.0:* LISTEN 16239/mysqld tcp 0 0 0.0.0.0:3307 0.0.0.0:* LISTEN 24077/mysqld tcp 0 0 0.0.0.0:3308 0.0.0.0:* LISTEN 24910/mysqld
[root@DB-S 3308]# mysql -uroot -p -S /data/3308/mysql.sock Enter password: Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 1 Server version: 5.5.40-log MySQL Community Server (GPL) Copyright (c) 2000, 2014, Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type ‘help;‘ or ‘\h‘ for help. Type ‘\c‘ to clear the current input statement. mysql>
关闭不同端口的数据库： [root@DB-S 3307]# ./mysql stop 3307 Stoping MySQL..... [root@DB-S 3307]# netstat -lnutp|grep mysqld tcp 0 0 0.0.0.0:3306 0.0.0.0:* LISTEN 16239/mysqld
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------
[root@DB-S ~]# ls /data/330* /data/3307: data my.cnf mysql mysql_barry3307.err mysql-bin.000001 mysql-bin.index mysqld.pid mysql.sock slow.log /data/3308: data my.cnf mysql mysql_barry3308.err mysql-bin.000001 mysql-bin.index mysqld.pid mysql.sock slow.log #下面有脚本mysql的内容和my.cnf的内容
[root@DB-S ~]# cat /data/3307/my.cnf [client] port = 3307 [mysql] no-auto-rehash [mysqld] user = mysql port = 3307 basedir = /usr/local/mysql datadir = /data/3307/data socket = /data/3307/mysql.sock open_files_limit = 1024 back_log = 600 max_connections = 800 max_connect_errors = 3000 table_cache = 614 external-locking = FALSE max_allowed_packet =8M sort_buffer_size = 1M join_buffer_size = 1M thread_cache_size = 100 thread_concurrency = 2 query_cache_size = 2M query_cache_limit = 1M query_cache_min_res_unit = 2k #default_table_type = InnoDB thread_stack = 192K transaction_isolation = READ-COMMITTED tmp_table_size = 2M max_heap_table_size = 2M long_query_time = 1 #log_long_format log-error = /data/3307/error.log log-slow-queries = /data/3307/slow.log pid-file = /data/3307/mysql.pid log-bin = /data/3307/mysql-bin relay-log = /data/3307/relay-bin relay-log-info-file = /data/3307/relay-log.info binlog_cache_size = 1M max_binlog_cache_size = 1M max_binlog_size = 2M expire_logs_days = 7 key_buffer_size = 16M read_buffer_size = 1M read_rnd_buffer_size = 1M bulk_insert_buffer_size = 1M myisam_sort_buffer_size = 1M myisam_max_sort_file_size = 10G #myisam_max_extra_sort_file_size = 10G myisam_repair_threads = 1 myisam_recover lower_case_table_names = 1 skip-name-resolve slave-skip-errors = 1032,1062 replicate-ignore-db=mysql server-id = 2 innodb_additional_mem_pool_size = 4M innodb_buffer_pool_size = 32M innodb_data_file_path = ibdata1:128M:autoextend innodb_file_io_threads = 4 innodb_thread_concurrency = 8 innodb_flush_log_at_trx_commit = 2 innodb_log_buffer_size = 2M innodb_log_file_size = 4M innodb_log_files_in_group = 3 innodb_max_dirty_pages_pct = 90 innodb_lock_wait_timeout = 120 innodb_file_per_table = 0 [mysqldump] quick max_allowed_packet = 2M [mysqld_safe] log-error=/data/3307/mysql_barry3307.err pid-file=/data/3307/mysqld.pid
[root@DB-S ~]# cat /data/3307/mysql
#!/bin/bash
#mysql多实例启动脚本
#init
port=3307
echo $port
mysql_user="root"
#mysql_pwd="" #注意密码
CmdPath="/usr/local/mysql/bin"
mysql_sock="/data/${port}/mysql.sock"
#startup function
function_start_mysql()
{
if [ ! -e "$mysql_sock" ];then
printf "Starting MySQL.....\n"
/bin/bash ${CmdPath}/mysqld_safe --defaults-file=/data/${port}/my.cnf 2>&1 >/dev/null&
else
printf "MySQL is running......\n"
exit
fi
}
#stop function
function_stop_mysql()
{
if [ ! -e "$mysql_sock" ];then
printf "MySQL is stopped.... \n"
exit
else
printf "Stoping MySQL.....\n"
${CmdPath}/mysqladmin -u ${mysql_user} -S /data/${port}/mysql.sock shutdown
fi #如查有密码加 -p${mysql_pwd}
}
#restart function
function_restart_mysql()
{
printf "Restarting MySQL......\n"
function_stop_mysql
sleep 2
function_start_mysql
}
case $1 in
"start")
function_start_mysql
;;
"stop")
function_stop_mysql
;;
"restart")
function_restart_mysql
;;
*)
printf "Usage: /data/${port}/mysql {start|stop|restart}\n"
esac
端口3308同上，把3307换成3308就行了！
百度网盘（配好的配置文件）：http://pan.baidu.com/s/1bo6MTGV
mysql多实例（个人的情况，不是大众的）里面有配置好的脚本
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本文系统来源：http://www.cnblogs.com/bass6/p/5585194.html
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