mysql 半同步 配置參考

# For advice on how to change settings please see
# http://dev.mysql.com/doc/refman/5.7/en/server-configuration-defaults.html

[mysqld]
#
# 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
#
# 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
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock

# Disabling symbolic-links is recommended to prevent assorted security risks
symbolic-links=0

log-error=/var/log/mysqld.log
pid-file=/var/run/mysqld/mysqld.pid
#validate-password=OFF

#半同步複製配置
character-set-server=utf8mb4
#異步複製配置
bind-address=192.168.1.16
log-bin=mysql-bin
server-id=16
#主服務 半同步參數
rpl_semi_sync_master_enabled = 1 
rpl_semi_sync_master_timeout = 5000
rpl_semi_sync_slave_enabled = 1

#主主複製須要
auto-increment-offset=1            #自增列起始
auto-increment-increment=2        #自增列一次步進(例：1,3,5,7,9...)
#如下爲另外一臺服務器,必須錯開自增序號
#auto-increment-offset=2            #自增列起始
#auto-increment-increment=2        #自增列一次步進(例：2,4,6,8,10...)