MySQL主从配置

# For advice on how to change settings please see
# # http://dev.mysql.com/doc/refman/8.0/en/server-configuration-defaults.html


[client]
socket=/lizijie/db/mysql.sock
default-character-set=UTF8


[mysqld]
# 端口号
port=3306
# server-id  需要唯一，与从服务器不可重复
server-id=1
# 默认时区
default-time_zone='+8:00'
# slave-skip-errors在从库配置即可
slave-skip-errors=1032,1049,1053,1062,1146
# binlog日志开启
log-bin=binlog
binlog_format=row
binlog_expire_logs_seconds=604800
log_bin_trust_function_creators=1
# 需要备份的表
binlog-do-db=check
# 不需要备份的表
binlog-ignore-db=mysql
binlog-ignore-db=information_schema
binlog-ignore-db=performance_schema
binlog-ignore-db=sys


gtid_executed_compression_period=1000
gtid_mode=on
enforce_gtid_consistency=on


character-set-server=UTF8
collation-server=utf8_unicode_ci
skip-host-cache
skip-name-resolve


innodb_buffer_pool_size=8G
max_connections=2000
wait_timeout=28800
lower_case_table_names=1
transaction-isolation=READ-COMMITTED


slow_query_log=on
long_query_time=0.1


binlog_cache_size=2M
innodb_open_files=3000
max_allowed_packet=1G
open_files_limit=65535
performance_schema=OFF
tmp_table_size=256M
max_heap_table_size=256M
max_write_lock_count=102400
thread_cache_size=100
sort_buffer_size=4M
key_buffer_size=32M
read_rnd_buffer_size = 4M
read_buffer_size=4M
join_buffer_size=128M
innodb_flush_log_at_trx_commit=2
innodb_log_file_size=1G
innodb_buffer_pool_instances=8


innodb_io_capacity=2000
innodb_io_capacity_max=4000


# Remove leading # and set to the amount of RAM for the most important data
# cache in MySQL. Start at 70% of total RAM for dedicated server, else 10%.
# innodb_buffer_pool_size = 128M


# Remove leading # to turn on a very important data integrity option: logging
# changes to the binary log between backups.
# log_bin


# These are commonly set, remove the # and set as required.
# basedir = .....
datadir = lizijie/db
socket = lizijie/db/mysql.sock
log-error = lizijie/log/mysqld.log
pid-file = var/run/mysqld/mysqld.pid
# port = .....
# server_id = .....
# socket = .....


# Remove leading # to set options mainly useful for reporting servers.
# The server defaults are faster for transactions and fast SELECTs.
# Adjust sizes as needed, experiment to find the optimal values.
# join_buffer_size = 128M
# sort_buffer_size = 2M
# read_rnd_buffer_size = 2M 
#
# Remove leading # to revert to previous value for default_authentication_plugin,
# # this will increase compatibility with older clients. For background, see:
# # https://dev.mysql.com/doc/refman/8.0/en/server-system-variables.html#sysvar_default_authentication_plugin
default-authentication-plugin=mysql_native_password


sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES 

-- mysql5.7之前版本
grant replication slave on *.* to 'backup'@'192.168.30.132'
identified by '123456';

-- mysql5.7之后版本
create user 'backup'@'192.168.30.130' identified with mysql_native_password by '123456';
grant replication slave on *.* to 'backup'@'192.168.30.132';

/sbin/service mysql restart;

# 锁定数据库 
mysql> flush tables with read lock 
# 新打开一个终端，导出数据 
mysqldump --master-data -uroot -p test> test.sql 
# 查看Master状态，记录Position 和 File值 这个值需要在从服务器上进行配置
show master status\G; 
# 解锁数据库 
mysql> unlock tables;

# For advice on how to change settings please see
# # http://dev.mysql.com/doc/refman/8.0/en/server-configuration-defaults.html


[client]
socket=/lizijie/db/mysql.sock
default-character-set=UTF8


[mysqld]
port=3306
server-id=2
default-time_zone='+8:00'
#slave-skip-errors在从库配置即可
slave-skip-errors=1032,1049,1053,1062,1146,22
log-bin=binlog
binlog_format=row
read_only=1
super_read_only=1


binlog-do-db=check
binlog-ignore-db=mysql
binlog-ignore-db=information_schema
binlog-ignore-db=performance_schema
binlog-ignore-db=sys


replicate-do-db=check
replicate-ignore-db=mysql
replicate-ignore-db=information_schema
replicate-ignore-db=performance_schema
replicate-ignore-db=sys


skip_slave_start=1


gtid_executed_compression_period=1000
gtid_mode=on
enforce_gtid_consistency=on
#中继日志的名字。复制线程先把远程的变化拷贝到这个中继日志中再执行。
relay_log=mysqld-relay-bin
#意思是，中继日志执行之后，这些变化是否需要计入自己的binarylog。
#当你的 B服务器需要作为另外一个服务器的主服务器的时候需要打开。
#就是双主互相备 份，或者多主循环备份。如果需要，则打开。
#log-slave-updates=ON
character-set-server=UTF8
skip-host-cache
skip-name-resolve


innodb_buffer_pool_size=8G
max_connections=2000
wait_timeout=28800
lower_case_table_names=1
transaction-isolation=READ-COMMITTED


slow_query_log=on
long_query_time=0.1


binlog_cache_size=2M
innodb_open_files=3000
max_allowed_packet=1G
open_files_limit=65535
performance_schema=OFF
tmp_table_size=256M
max_heap_table_size=256M
max_write_lock_count=102400
thread_cache_size=100
sort_buffer_size=4M
key_buffer_size=32M
read_rnd_buffer_size = 4M
read_buffer_size=4M
join_buffer_size=128M
innodb_flush_log_at_trx_commit=2
innodb_log_file_size=1G
innodb_buffer_pool_instances=8


innodb_io_capacity=2000
innodb_io_capacity_max=4000


# Remove leading # and set to the amount of RAM for the most important data
# cache in MySQL. Start at 70% of total RAM for dedicated server, else 10%.
# innodb_buffer_pool_size = 128M


# Remove leading # to turn on a very important data integrity option: logging
# changes to the binary log between backups.
# log_bin


# These are commonly set, remove the # and set as required.
# basedir = .....
datadir = lizijie/db
socket = /lizijie/db/mysql.sock
log-error = /lizijie/log/mysqld.log
pid-file = /var/run/mysqld/mysqld.pid
# port = .....
# server_id = .....
# socket = .....


# Remove leading # to set options mainly useful for reporting servers.
# The server defaults are faster for transactions and fast SELECTs.
# Adjust sizes as needed, experiment to find the optimal values.
# join_buffer_size = 128M
# sort_buffer_size = 2M
# read_rnd_buffer_size = 2M 
#
# Remove leading # to revert to previous value for default_authentication_plugin,
# # this will increase compatibility with older clients. For background, see:
# # https://dev.mysql.com/doc/refman/8.0/en/server-system-variables.html#sysvar_default_authentication_plugin
default-authentication-plugin=mysql_native_password


sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES

/sbin/service mysql restart

mysql> create database test default charset utf8;
mysql -uroot -p test< test.sql

change master to master_host='192.168.30.132',master_user='backup',master_password='egova',master_connect_retry=60, master_log_file='binlog.000010',master_log_pos=155;