Mysql多实例集群搭建

#5.5.60(可行)
mkdir -p /data/{3306,3307}/data
mkdir /etc/my.cnf.d
touch /data/3306/my.cnf
touch /data/3307/my.cnf
chown mysql:mysql /data/{3306,3307}
echo 'export PATH=$PATH:/usr/local/mysql/bin'>>/etc/profile
source /etc/profile
--------------------------------------------------------------------------------
vi /data/3306/my.cnf
[client]
port = 3306
socket = /data/3306/mysql.sock

[mysql]
no-auto-rehash

[mysqld]
user = mysql
port = 3306
socket = /data/3306/mysql.sock
basedir = /usr/local/mysql
datadir = /data/3306/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/3306/error.log
#log-slow-queries = /data/3306/slow.log
pid-file = /data/3306/mysql.pid
log-bin = /data/3306/mysql-bin
relay-log = /data/3306/relay-bin
relay-log-info-file = /data/3306/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 = 1

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]
pid-file=/data/3306/mysqld.pid
--------------------------------------------------------------------------------
cp /data/3306/my.cnf /data/3307/my.cnf
vi /data/3307/my.cnf
:g/3306/s//3307/g
--------------------------------------------------------------------------------
vi /data/3306/mysql
#!/bin/sh
port=3306
#mysql_user="root"
#mysql_pwd="suoning"
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/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
--------------------------------------------------------------------------------
cp /data/3306/mysql /data/3307/
vi /data/3307/mysql
chmod +x /data/3306/mysql
chmod +x /data/3307/mysql
--------------------------------------------------------------------------------
/usr/local/mysql/scripts/mysql_install_db --basedir=/usr/local/mysql/ --datadir=/data/3306/data --user=mysql
/usr/local/mysql/scripts/mysql_install_db --basedir=/usr/local/mysql/ --datadir=/data/3307/data --user=mysql

/data/3306/mysql start
/data/3307/mysql start

find /data/ -type f -name "mysql"
find /data/ -type f -name "mysql" -exec chmod 700 {} \;
find /data/ -type f -name "mysql" -exec chown root.root {} \;
find /data/ -type f -name "mysql" -exec ls -l {} \;

mysql -S /data/3306/mysql.sock
mysql -S /data/3307/mysql.sock
or
mysqladmin -u root -S /data/3306/mysql.sock password '123456'
mysqladmin -u root -S /data/3307/mysql.sock password '123456'

mysqladmin -uroot -p123456 password '654321' -S /data/3306/mysql.sock

mysql -uroot -p -S /data/3306/mysql.sock
mysql -uroot -p -S /data/3307/mysql.sock
mysql -uroot -p –hlocalhost -S /data/3306/mysql.sock
mysql -uroot -p –hlocalhost -S /data/3307/mysql.sock
mysql -uroot -p –h 192.168.200.98 -P 3306
mysql -uroot -p –h 192.168.200.98 -P 3307

create database d3306;
create database d3307;
show databases;
--------------------------------------------------------------------------------
mkdir -p /data/3308/data
cp /data/3306/my.cnf /data/3308/
cp /data/3306/mysql /data/3308/
chmod +x /data/3308/mysql
chown mysql:mysql /data/3308
vi /data/3308/mysql
vi /data/3308/my.cnf
/usr/local/mysql/scripts/mysql_install_db --basedir=/usr/local/mysql/ --datadir=/data/3308/data --user=mysql
/data/3308/mysql start
mysql -S /data/3308/mysql.sock
mysqladmin -u root -S /data/3308/mysql.sock password '142857'
--------------------------------------------------------------------------------
#5.7.23
mkdir -p /mnt/data/mysql/{3306,3307,3308}
touch /mnt/data/mysql/{3306,3307,3308}.cnf
chown mysql:mysql /mnt/data/mysql/{3306,3307,3308}
echo 'export PATH=$PATH:/usr/local/mysql/bin'>>/etc/profile
source /etc/profile

vi /mnt/data/mysql/3306.cnf
vi /mnt/data/mysql/3307.cnf
vi /mnt/data/mysql/3308.cnf

[client]
port = 3308
socket = /tmp/mysql3308.sock

[mysqld]
port = 3308
socket = /tmp/mysql3308.sock
datadir = /mnt/data/mysql/3308
skip-external-locking
key_buffer_size = 256M
max_allowed_packet = 1M
table_open_cache = 1024
sort_buffer_size = 4M
net_buffer_length = 8K
read_buffer_size = 4M
read_rnd_buffer_size = 512K
myisam_sort_buffer_size = 64M
thread_cache_size = 128
query_cache_size = 128M
tmp_table_size = 128M
explicit_defaults_for_timestamp = true
max_connections = 500
max_connect_errors = 100
open_files_limit = 65535
log-bin=/mnt/data/mysql/3308/mysql-bin
binlog_format=mixed
server-id = 3308
expire_logs_days = 10
early-plugin-load = ""
default_storage_engine = InnoDB
innodb_data_home_dir = /mnt/data/mysql/3308
innodb_data_file_path = ibdata1:10M:autoextend
innodb_log_group_home_dir = /mnt/data/mysql/3308
innodb_buffer_pool_size = 1024M
innodb_log_file_size = 256M
innodb_log_buffer_size = 8M
innodb_flush_log_at_trx_commit = 1
innodb_lock_wait_timeout = 50
transaction-isolation=READ-COMMITTED

[mysqldump]
quick
max_allowed_packet = 16M

[mysql]
no-auto-rehash

[myisamchk]
key_buffer_size = 256M
sort_buffer_size = 4M
read_buffer = 2M
write_buffer = 2M

[mysqlhotcopy]
interactive-timeout

:g/3308/s//3306/g
:g/3308/s//3307/g

旧的命令是：
mysql_install_db --basedir=/usr/local/mysql --datadir=/mnt/data/mysql/3308 --user=mysql
新的命令是：
mysqld --initialize-insecure --user=mysql --basedir=/opt/mysql/mysql --datadir=/opt/mysql/mysql/data
正确的做法是：
mysqld --defaults-file=/opt/mysql/mysql/etc/my.cnf --initialize-insecure --user=mysql

/usr/local/mysql/mysqld --defaults-file=/mnt/data/mysql/3306.cnf --initialize-insecure --user=mysql
/usr/local/mysql/mysqld --defaults-file=/mnt/data/mysql/3307.cnf --initialize-insecure --user=mysql
/usr/local/mysql/mysqld --defaults-file=/mnt/data/mysql/3308.cnf --initialize-insecure --user=mysql
cp /etc/my.cnf /etc/my.cnf.bak
vi /etc/my.cnf

[mysqld_multi]
mysqld = /usr/local/mysql/bin/mysqld_safe
mysqladmin = /usr/local/mysql/bin/mysqladmin
[mysqld1]
port = 3306
socket = /tmp/mysql3306.sock
datadir = /mnt/data/mysql/3306
skip-external-locking
key_buffer_size = 256M
max_allowed_packet = 1M
table_open_cache = 1024
sort_buffer_size = 4M
net_buffer_length = 8K
read_buffer_size = 4M
read_rnd_buffer_size = 512K
myisam_sort_buffer_size = 64M
thread_cache_size = 128
query_cache_size = 128M
tmp_table_size = 128M
explicit_defaults_for_timestamp = true
max_connections = 500
max_connect_errors = 100
open_files_limit = 65535
log-bin=/mnt/data/mysql/3306/mysql-bin
binlog_format=mixed
server-id = 3306
expire_logs_days = 10
early-plugin-load = ""
default_storage_engine = InnoDB
innodb_data_home_dir = /mnt/data/mysql/3306
innodb_data_file_path = ibdata1:10M:autoextend
innodb_log_group_home_dir = /mnt/data/mysql/3306
innodb_buffer_pool_size = 1024M
innodb_log_file_size = 256M
innodb_log_buffer_size = 8M
innodb_flush_log_at_trx_commit = 1
innodb_lock_wait_timeout = 50
transaction-isolation=READ-COMMITTED
user = mysql

[mysqld2]
port = 3307
socket = /tmp/mysql3307.sock
datadir = /mnt/data/mysql/3307
skip-external-locking
key_buffer_size = 256M
max_allowed_packet = 1M
table_open_cache = 1024
sort_buffer_size = 4M
net_buffer_length = 8K
read_buffer_size = 4M
read_rnd_buffer_size = 512K
myisam_sort_buffer_size = 64M
thread_cache_size = 128
query_cache_size = 128M
tmp_table_size = 128M
explicit_defaults_for_timestamp = true
max_connections = 500
max_connect_errors = 100
open_files_limit = 65535
log-bin=/mnt/data/mysql/3307/mysql-bin
binlog_format=mixed
server-id = 3307
expire_logs_days = 10
early-plugin-load = ""
default_storage_engine = InnoDB
innodb_data_home_dir = /mnt/data/mysql/3307
innodb_data_file_path = ibdata1:10M:autoextend
innodb_log_group_home_dir = /mnt/data/mysql/3307
innodb_buffer_pool_size = 1024M
innodb_log_file_size = 256M
innodb_log_buffer_size = 8M
innodb_flush_log_at_trx_commit = 1
innodb_lock_wait_timeout = 50
transaction-isolation=READ-COMMITTED
user = mysql

[mysqld3]
port = 3308
socket = /tmp/mysql3308.sock
datadir = /mnt/data/mysql/3308
skip-external-locking
key_buffer_size = 256M
max_allowed_packet = 1M
table_open_cache = 1024
sort_buffer_size = 4M
net_buffer_length = 8K
read_buffer_size = 4M
read_rnd_buffer_size = 512K
myisam_sort_buffer_size = 64M
thread_cache_size = 128
query_cache_size = 128M
tmp_table_size = 128M
explicit_defaults_for_timestamp = true
max_connections = 500
max_connect_errors = 100
open_files_limit = 65535
log-bin=/mnt/data/mysql/3308/mysql-bin
binlog_format=mixed
server-id = 3308
expire_logs_days = 10
early-plugin-load = ""
default_storage_engine = InnoDB
innodb_data_home_dir = /mnt/data/mysql/3308
innodb_data_file_path = ibdata1:10M:autoextend
innodb_log_group_home_dir = /mnt/data/mysql/3308
innodb_buffer_pool_size = 1024M
innodb_log_file_size = 256M
innodb_log_buffer_size = 8M
innodb_flush_log_at_trx_commit = 1
innodb_lock_wait_timeout = 50
transaction-isolation=READ-COMMITTED
user = mysql

[mysqldump]
quick
max_allowed_packet = 16M

[mysql]
no-auto-rehash

[myisamchk]
key_buffer_size = 256M
sort_buffer_size = 4M
read_buffer = 2M
write_buffer = 2M

[mysqlhotcopy]
interactive-timeout

cp /usr/local/mysql/support-files/mysqld_multi.server /etc/rc.d/init.d/mysqld_multi
/etc/rc.d/init.d/mysqld_multi start
/etc/rc.d/init.d/mysqld_multi report
/etc/rc.d/init.d/mysqld_multi stop 1-3
or
killall -u mysql
or
kill -9 the-mysql-pid
netstat -tnlp | grep 330
vi /mnt/data/mysql/3306/dd.err

/usr/local/mysql/bin/mysql -uroot -p -P 3306 -S /tmp/mysql3306.sock

mysqladmin -uroot password '142857' -S /tmp/mysql3306.sock
mysqladmin -uroot password '142857' -S /tmp/mysql3307.sock
mysqladmin -uroot password '142857' -S /tmp/mysql3308.sock

或者：

mysqladmin -uroot password '142857' -P3306 -h127.0.0.1
mysqladmin -uroot password '142857' -P3307 -h127.0.0.1
mysqladmin -uroot password '142857' -P3308 -h127.0.0.1

如果需要开启root远程登录权限：

mysql -uroot -p'Your-Password' -P3306 -h127.0.0.1

use mysql
update user set host='%' where user='root';
flush privileges;
select user,host,authentication_string from user;

---

#5.7.17
tar -C /usr/local/
groupadd -g 27 mysql
useradd -u 27 -g mysql mysql
id mysql

mkdir -p /data/mysql/mysql_3306/data
mkdir -p /data/mysql/mysql_3306/log
mkdir -p /data/mysql/mysql_3306/tmp
mkdir -p /data/mysql/mysql_3307/data
mkdir -p /data/mysql/mysql_3307/log
mkdir -p /data/mysql/mysql_3307/tmp
mkdir -p /data/mysql/mysql_3308/data
mkdir -p /data/mysql/mysql_3308/log
mkdir -p /data/mysql/mysql_3308/tmp
chown -R mysql:mysql /data/mysql/
chown -R mysql:mysql /usr/local/mysql/

echo 'export PATH=$PATH:/usr/local/mysql/bin'>>/etc/profile
source /etc/profile

rm -rf /etc/my.cnf
cp /usr/local/mysql/support-files/my-default.cnf /etc/my.cnf
vi /etc/my.cnf
[client]
port=3306
socket=/tmp/mysql.sock

[mysqld_multi]
mysqld = /usr/local/mysql/bin/mysqld_safe
mysqladmin = /usr/local/mysql/bin/mysqladmin
log = /data/mysql/mysqld_multi.log

[mysqld]
basedir = /usr/local/mysql
sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES

[mysqld3306]
mysqld=mysqld
mysqladmin=mysqladmin
datadir=/data/mysql/mysql_3306/data
port=3306
server_id=3306
socket=/tmp/mysql_3306.sock
log-output=file
slow_query_log = 1
long_query_time = 1
slow_query_log_file = /data/mysql/mysql_3306/log/slow.log
log-error = /data/mysql/mysql_3306/log/error.log
binlog_format = mixed
log-bin = /data/mysql/mysql_3306/log/mysql3306_bin

[mysqld3307]
mysqld=mysqld
mysqladmin=mysqladmin
datadir=/data/mysql/mysql_3307/data
port=3307
server_id=3307
socket=/tmp/mysql_3307.sock
log-output=file
slow_query_log = 1
long_query_time = 1
slow_query_log_file = /data/mysql/mysql_3307/log/slow.log
log-error = /data/mysql/mysql_3307/log/error.log
binlog_format = mixed
log-bin = /data/mysql/mysql_3307/log/mysql3307_bin

[mysqld3308]
mysqld=mysqld
mysqladmin=mysqladmin
datadir=/data/mysql/mysql_3308/data
port=3308
server_id=3308
socket=/tmp/mysql_3308.sock
log-output=file
slow_query_log = 1
long_query_time = 1
slow_query_log_file = /data/mysql/mysql_3308/log/slow.log
log-error = /data/mysql/mysql_3308/log/error.log
binlog_format = mixed
log-bin = /data/mysql/mysql_3308/log/mysql3308_bin

/usr/local/mysql/scripts/mysql_install_db --basedir=/usr/local/mysql/ --datadir=/data/mysql/mysql_3306/data --defaults-file=/etc/my.cnf
/usr/local/mysql/scripts/mysql_install_db --basedir=/usr/local/mysql/ --datadir=/data/mysql/mysql_3307/data --defaults-file=/etc/my.cnf
/usr/local/mysql/scripts/mysql_install_db --basedir=/usr/local/mysql/ --datadir=/data/mysql/mysql_3308/data --defaults-file=/etc/my.cnf

vi /data/mysql/mysql_3306/data/my.cnf

ls /data/mysql/mysql_3306/data/
ls /data/mysql/mysql_3307/data/
ls /data/mysql/mysql_3308/data/

cp /usr/local/mysql/support-files/mysql.server /etc/init.d/mysql

启动全部实例：/usr/local/mysql/bin/mysqld_multi start
查看全部实例状态：/usr/local/mysql/bin/mysqld_multi report
启动单个实例：/usr/local/mysql/bin/mysqld_multi start 3306
停止单个实例：/usr/local/mysql/bin/mysqld_multi stop 3306
查看单个实例状态：/usr/local/mysql/bin/mysqld_multi report 3306

/usr/local/mysql/bin/mysqld_multi start
/usr/local/mysql/bin/mysqld_multi report
ps -aux | grep mysql
ll /tmp

mysql -S /tmp/mysql_3306.sock
set password for root@'localhost'=password('xxxxxx');
flush privileges;

mysql -S /tmp/mysql_3307.sock
set password for root@'localhost'=password('xxxxxx');
flush privileges;

mysql -S /tmp/mysql_3307.sock
set password for root@'localhost'=password('xxxxxx');
flush privileges;

grant ALL PRIVILEGES on *.* to admin@'%' identified by 'xxxxxx';
flush privileges