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[mysql]
# 默认字符集
default-character-set=utf8mb4
[client]
port = 3306
socket = /tmp/mysql.sock[mysqld]
port = 3306
server-id= 3306
user = mysql
socket = /tmp/mysql.sock
# 安装目录
basedir= /data/software/mysql8
# 数据存放目录
datadir= /data/software/mysql8/datas/mysql
log-bin= /data/software/mysql8/datas/mysql/mysql-bin
innodb_data_home_dir=/data/software/mysql8/datas/mysql
innodb_log_group_home_dir =/data/software/mysql8/datas/mysql
#日志及进程数据的存放目录
log-error =/data/software/mysql8/datas/mysql/mysql.log
pid-file=/data/software/mysql8/datas/mysql/mysql.pid
# 服务端使用的字符集默认为8比特编码
character-set-server=utf8mb4
lower_case_table_names=1
autocommit =1##################以上要修改的########################
skip-external-locking
key_buffer_size = 256M
max_allowed_packet = 1M
table_open_cache = 1024
sort_buffer_size = 4M
net_buffer_length = 8K
read_buffer_size = 4M
read_rnd_buffer_size = 512K
myisam_sort_buffer_size = 64M
thread_cache_size = 128#query_cache_size = 128M
tmp_table_size = 128M
explicit_defaults_for_timestamp = true
max_connections = 500
max_connect_errors = 100
open_files_limit = 65535binlog_format=mixed
binlog_expire_logs_seconds =864000
# 创建新表时将使用的默认存储引擎
default_storage_engine = InnoDB
innodb_data_file_path = ibdata1:10M:autoextend
innodb_buffer_pool_size = 1024M
innodb_log_file_size = 256M
innodb_log_buffer_size = 8M
innodb_flush_log_at_trx_commit = 1
innodb_lock_wait_timeout = 50
transaction-isolation=READ-COMMITTED[mysqldump]
quick
max_allowed_packet = 16M[myisamchk]
key_buffer_size = 256M
sort_buffer_size = 4M
read_buffer = 2M
write_buffer = 2M[mysqlhotcopy]
interactive-timeout4.2 初始化
mysqld --defaults-file=/data/software/mysql8/my.cnf --basedir=/data/software/mysql8/ --datadir=/data/software/mysql8/datas/mysql --user=mysql --initialize-insecure参数（重要）
