MySQL数据库优化

配置文件my.cnf

my.cnf

# For advice on how to change settings please see
# http://dev.mysql.com/doc/refman/8.4/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

host-cache-size=0
skip-name-resolve
datadir=/var/lib/mysql
socket=/var/run/mysqld/mysqld.sock
secure-file-priv=/var/lib/mysql-files
user=mysql

# 字符集设置
character-set-server=utf8mb4
collation-server=utf8mb4_unicode_ci

# 日志设置
general_log=0
log-output=FILE

# InnoDB设置
default_storage_engine=InnoDB
innodb_buffer_pool_size=2G
innodb_log_file_size=256M
innodb_flush_log_at_trx_commit=2
innodb_flush_method=O_DIRECT

# 连接设置
max_connections=1000
max_allowed_packet=64M

default-time-zone = '+08:00'

pid-file=/var/run/mysqld/mysqld.pid
[client]
socket=/var/run/mysqld/mysqld.sock

!includedir /etc/mysql/conf.d/