# For advice on how to change settings please see
# http://dev.mysql.com/doc/refman/5.7/en/server-configuration-defaults.html
default-character-set= utf8mb4
default-character-set= utf8mb4
character-set-client-handshake = FALSE
character-set-server= utf8mb4
collation-server= utf8mb4_unicode_ci
init_connect='SET NAMES utf8mb4'
# 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.
# 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
# read_rnd_buffer_size = 2M
socket=/var/lib/mysql/mysql.sock
# Disabling symbolic-links is recommended to prevent assorted security risks
log-error=/var/log/mysqld.log
pid-file=/var/run/mysqld/mysqld.pid
# --------binlog config -----------
log-bin=/var/lib/mysql/mysql-binlog
binlog_rows_query_log_events = ON
innodb_buffer_pool_size = 2G
innodb_log_file_size = 256M
#innodb_flush_method=O_DIRECT
transaction_isolation = READ-COMMITTED
#----- slow query config ----------
log_slow_admin_statements = ON
sql_mode='STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION'
https://www.cnblogs.com/glon/p/6497377.html
http://www.mamicode.com/info-detail-2135559.html
https://blog.csdn.net/u011389515/article/details/80000352