MySQL 5.7常用配置示例

# cat my.cnf
# For advice on how to change settings please see
# http://dev.mysql.com/doc/refman/5.7/en/server-configuration-defaults.html
[client]
port = 3306
default-character-set = utf8mb4
[mysql]
port = 3306
default-character-set = utf8mb4

[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
datadir=/data/mysql
socket=/var/lib/mysql/mysql.sock

# Disabling symbolic-links is recommended to prevent assorted security risks
symbolic-links=0
skip-name-resolve
lower_case_table_names=1

max_connections = 1000
max_connect_errors = 10000
max_user_connections   = 900
innodb_buffer_pool_size = 16G
innodb_buffer_pool_chunk_size = 256MB

log-error=/var/log/mysqld.log
pid-file=/var/run/mysqld/mysqld.pid

server-id = 100
log_bin = /data/mysql/logbin/mysql-bin
#log_bin = mysql-bin
binlog_format = MIXED
expire_logs_days = 30

character-set-server = utf8mb4
collation-server = utf8mb4_unicode_ci
default-time-zone='+08:00'
default_storage_engine=InnoDB
explicit_defaults_for_timestamp=true

slow_query_log = ON
slow_query_log_file = /data/mysql/slow/slow.log
long_query_time = 1

sql_mode = STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION

[mysqldump]
quick
max_allowed_packet = 128M
user=dumper
password=Dumper@123