mysql> change master to
                -> master_host = 'master.com',
                -> master_user = 'replica',
                -> master_password = 'password',
                -> master_port = 3306,
                -> MASTER_CONNECT_RETRY = 5,
                -> MASTER_RETRY_COUNT = 0,
                -> MASTER_AUTO_POSITION=1;

[mysqld]
user        = mysql
pid-file    = /var/run/mysqld/mysqld.pid
socket          = /var/run/mysqld/mysqld.sock
port        = 3306
basedir     = /usr
datadir         = /data/mysql_data
tmpdir      = /tmp
lc-messages-dir = /usr/share/mysql
skip-external-locking

binlog-format   = MIXED

interactive_timeout=180
wait_timeout=180

key_buffer      = 16M
max_allowed_packet  = 16M
thread_stack        = 192K
thread_cache_size       = 8

myisam-recover         = BACKUP
max_connections        = 300

query_cache_limit   = 1M
query_cache_size        = 16M

general_log             = 1
log_error = /var/log/mysql/error.log
server-id       = 1
log_bin         = /var/log/mysql/mysql-bin.log
log_bin_trust_function_creators = 1
log-slave-updates   = true

# enable GTID
gtid-mode = on
enforce-gtid-consistency = true
master-info-repository=TABLE
relay-log-info-repository=TABLE
sync-master-info=1
binlog-checksum=CRC32
master-verify-checksum=1

expire_logs_days    = 10
max_binlog_size     = 100M

[mysqld]
user            = mysql
pid-file        = /var/run/mysqld/mysqld.pid
socket          = /var/run/mysqld/mysqld.sock
port            = 3306
basedir         = /usr
datadir         = /data/mysql_data
tmpdir         = /data/mysql_data/tmp
lc-messages-dir = /usr/share/mysql
skip-external-locking

binlog-format   = MIXED

interactive_timeout=180
wait_timeout=180

key_buffer              = 16M
max_allowed_packet      = 16M
thread_stack            = 192K
thread_cache_size       = 8
myisam-recover         = BACKUP
max_connections        = 100

query_cache_limit       = 1M
query_cache_size        = 16M

general_log             = 1
log_error = /var/log/mysql/error.log
server-id               = 2

log_bin                 = /var/log/mysql/mysql-bin.log
log_bin_trust_function_creators = 1
log-slave-updates       = true

# enable GTID
gtid-mode = on
enforce-gtid-consistency = true
sync-master-info=1
binlog-checksum=CRC32
master-verify-checksum=1
slave-sql-verify-checksum=1
binlog-rows-query-log_events=1

expire_logs_days        = 10
max_binlog_size         = 100M