-----------mysql多实例配置文件
[[email protected]/]# cat /data/3307/my.cnf
[client]
port = 3307 #<== 端口号
socket = /data/3307/mysql.sock
[mysql]
no-auto-rehash
[mysqld]
user = mysql #<== 所属用户
port = 3307 #<== 端口号
socket = /data/3307/mysql.sock
basedir = /application/mysql
datadir = /data/3307/data
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 = 3
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_3307.err #<== 日志文件
pid-file=/data/3307/mysqld.pid
------------------------------------------------------------------------------------------------------------------------------------
-----------mysql多实例启动文件
[[email protected]/]# cat /data/3308/mysql
#!/bin/sh
################################################
#this scripts iscreated by tudou at 2016-06-09
#tudou QQ:1097857032 1+1=3
#blog:http://blog.51cto.com/user_index.php?action=addblog_new
################################################
#init
port=3307
mysql_user="root"
mysql_pwd="123456" #<== 设定的密码
CmdPath="/application/mysql/bin"
mysql_sock="/data/${port}/mysql.sock" #<== 进入多实例数据库需要mysql.sock
#startup function
function_start_mysql()
{
if [ ! -e "$mysql_sock" ];then
printf "Starting MySQL...\n"
/bin/sh ${CmdPath}/mysqld_safe--defaults-file=/data/${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 ${mysql_user}-p${mysql_pwd} -S /data/${port}/mysql.sock shutdown
fi
}
#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
######################################################################################
-----------通过以上配置启动mysql数据库后生成的文件如下：
mysql-bin.000001 #<== mysql数据库的操作日志（加密）
mysql-bin.index #<== mysql数据库操作日志的索引文件
mysqld.pid #<== 3307数据库的进程号文件
mysql_3307.err #<== 3307的错误日志·文件
mysql.sock #<== 启动服务的套接字文件