官网下载安装包：mysql-8.0.19-linux-glibc2.12-x86_64.tar.xz

安装环境：CentOS Linux release 7.5.1804 (Core)

解压安装包：

xz -d mysql-8.0.19-linux-glibc2.12-x86_64.tar.xz
tar -xvf mysql-8.0.19-linux-glibc2.12-x86_64.tar

环境变量：

yum install -y gcc gcc-c++ make cmake automake ncurses-devel bison bison-devel tcp_wrappers-devel libaio libaio-devel perl-Data-Dumper net-tools

创建相关用户和组：

[root@localhost ~]# groupadd mysql
[root@localhost ~]# useradd -g mysql -d /home/mysql -m -p mysql mysql

创建相关目录：

[root@localhost ~]# mkdir -p /data/mysql/;chown -R mysql.mysql /data/mysql/
[root@localhost ~]# mkdir -p /data/tmp/;chown -R mysql.mysql /data/tmp/

编辑配置文件：

[root@localhost tmp]# vim /etc/my.cnf
[root@localhost mysql]# cat /etc/my.cnf
[client]
port= 3306
socket = /tmp/mysql.sock
## The MySQL server
[mysqld]
port = 3306
socket = /tmp/mysql.sock
user = mysql
skip-external-locking
skip-name-resolve
#skip-grant-tables
#skip-networking
###################################### dir
basedir=/usr/local/mysql
datadir=/data/mysql
tmpdir=/data/tmp
secure_file_priv=/data/tmp
###################################### some app
log-error=mysql.err
pid-file=/data/mysql/mysql.pid
local-infile=1
event_scheduler=0
federated
default-storage-engine=InnoDB
#default-time-zone= '+8:00'
log_timestamps=SYSTEM
character-set-client-handshake = FALSE
character-set-server = utf8mb4
collation-server = utf8mb4_unicode_ci
init_connect='SET NAMES utf8mb4'
#fulltext
innodb_optimize_fulltext_only
ft_min_word_len=1
#ft_max_word_len
innodb_ft_min_token_size=1
###################################### memory allocate and myisam configure
max_connections=3000
max_connect_errors=10000
key_buffer_size = 16M
max_allowed_packet = 16M
table_open_cache = 10240
sort_buffer_size = 2M
read_buffer_size = 2M
read_rnd_buffer_size = 2M
join_buffer_size=2M
myisam_sort_buffer_size = 4M
#net_buffer_length = 2M
thread_cache_size = 24
tmp_table_size=1G
max_heap_table_size=1G
#thread_concurrency =48
###################################### replication
server-id = 101096
log-bin=mysql-bin
binlog_format=mixed
max_binlog_size=1G
log_slave_updates=true
log_bin_trust_function_creators=true
binlog_expire_logs_seconds=259200 #binlog过期时间，单位秒
replicate-ignore-db=mysql
replicate-ignore-db=test
replicate-ignore-db=information_schema
replicate-ignore-db=performance_schema
replicate-wild-ignore-table=mysql.%
replicate-wild-ignore-table=test.%
replicate-wild-ignore-table=information_schema.%
replicate-wild-ignore-table=performance_schema.%
lower_case_table_names = 1
#read_only=1
master_info_repository=TABLE
relay_log_info_repository=TABLE
###################################### slow-query
long_query_time=1
slow_query_log=1
slow_query_log_file=/data/mysql/slow-query.log
interactive_timeout=600
wait_timeout=600
###################################### innodb configure
innodb_file_per_table
innodb_data_home_dir = /data/mysql
innodb_log_group_home_dir = /data/mysql
innodb_buffer_pool_size =4G
innodb_log_file_size = 1G
innodb_log_files_in_group = 3
innodb_log_buffer_size = 32M
innodb_flush_log_at_trx_commit = 1
sync_binlog=0
sql-mode="STRICT_TRANS_TABLES,NO_ENGINE_SUBSTITUTION,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO"
##########################################
[mysqldump]
quick
max_allowed_packet = 16M
[mysql]
no-auto-rehash
default-character-set = utf8mb4
prompt=\\U \\h \\R:\\m:\\s \\d>
[myisamchk]
key_buffer_size = 20M
sort_buffer_size = 20M
read_buffer = 2M
write_buffer = 2M
[mysqlhotcopy]
interactive-timeout