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1. Master :
   [mysqld]
   datadir=/var/lib/mysql
   socket=/var/lib/mysql/mysql.sock
   # Disabling symbolic-links is recommended to prevent assorted security risks
   symbolic-links=0
   # Settings user and group are ignored when systemd is used.
   # If you need to run mysqld under a different user or group,
   # customize your systemd unit file for mysqld according to the
   # instructions in http://fedoraproject.org/wiki/Systemd
   server-id=1
   default-storage-engine=InnoDB
   character-set-server=utf8
   transaction-isolation=READ-COMMITTED
   log-bin=mysql-bin
   innodb_flush_log_at_trx_commit=1
   sync_binlog=1
   binlog-format=ROW
   #Bin logs cleanup configuration
   expiryexpire_logs_days=10
   max_binlog_size=100M
   
   [mysqld_safe]
   log-error=/var/log/mysqld.log
   pid-file=/var/run/mysqld/mysqld.pid
   
2. Slave
   [mysqld]
   datadir=/var/lib/mysql
   socket=/var/lib/mysql/mysql.sock
   # Disabling symbolic-links is recommended to prevent assorted security risks
   symbolic-links=0
   # Settings user and group are ignored when systemd is used.
   # If you need to run mysqld under a different user or group,
   # customize your systemd unit file for mysqld according to the
   # instructions in http://fedoraproject.org/wiki/Systemd
   server-id=2
   default-storage-engine = InnoDB
   character-set-server = utf8
   transaction-isolation = READ-COMMITTED
   log-bin=mysql-bin
   innodb_flush_log_at_trx_commit=1
   sync_binlog=1
   binlog-format=ROW
   #Parameters to solve split brain problem
   auto_increment_increment=10
   auto_increment_offset=2
   #Bin logs cleanup configuration
   expiryexpire_logs_days=10
   max_binlog_size=100M
   [mysqld_safe]
   log-error=/var/log/mysqld.log
   pid-file=/var/run/mysqld/mysqld.pid
   

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