Yum安装MySQL

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1、下载mysql-5.7 RPM包并解压

wget https://mirrors.ustc.edu.cn/mysql-ftp/Downloads/MySQL-5.7/mysql-5.7.23-1.el7.x86_64.rpm-bundle.tar
tar xf mysql-5.7.23-1.el7.x86_64.rpm-bundle.tar

2、卸载系统安装完成后自带的mariadb-libs包(CentOS 7)

rpm -e mariadb-libs --nodeps

3、安装各个RPM包

yum localinstall mysql-community-common-5.7.23-1.el7.x86_64.rpm 
yum localinstall mysql-community-libs-5.7.23-1.el7.x86_64.rpm 
yum localinstall mysql-community-client-5.7.23-1.el7.x86_64.rpm 
yum localinstall mysql-community-server-5.7.23-1.el7.x86_64.rpm 

4、初始化数据库

mysqld --initialize --user=mysql --datadir=/data/mysql        #新版的初始化方式

5、修改数据库目录所属用户与所属组

chown -R mysql:mysql /data/mysql

6、启动MySQL

systemctl start mysqld

7、通过临时密码登录并修改密码

grep -i password /var/log/mysqld.log

mysql -uroot -p        #输入以上临时密码

mysql> set password=password(‘[email protected]‘);
Query OK, 0 rows affected, 1 warning (0.00 sec)

mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)

8、参考配置文件

[client]
port = 3306
socket = /tmp/mysql.sock
default-character-set = utf8

[mysql]
prompt="MySQL [d]> "
no-auto-rehash

[mysqld]
port = 3306
socket = /tmp/mysql.sock

basedir = /usr/local/mysql
datadir = /data/mysql
pid-file = /data/mysql/mysql.pid
user = mysql
bind-address = 0.0.0.0
server-id = 1

init-connect = ‘SET NAMES utf8‘
character-set-server = utf8

skip-name-resolve
#skip-networking
back_log = 300

max_connections = 2604
max_connect_errors = 6000
open_files_limit = 65535
table_open_cache = 1024
max_allowed_packet = 500M
binlog_cache_size = 1M
max_heap_table_size = 8M
tmp_table_size = 128M

read_buffer_size = 2M
read_rnd_buffer_size = 8M
sort_buffer_size = 8M
join_buffer_size = 8M
key_buffer_size = 256M

thread_cache_size = 64

query_cache_type = 1
query_cache_size = 64M
query_cache_limit = 2M

ft_min_word_len = 4

log_bin = mysql-bin
binlog_format = row
expire_logs_days = 7

log_error = /data/mysql/mysql-error.log
slow_query_log = 1
long_query_time = 1
slow_query_log_file = /data/mysql/mysql-slow.log

performance_schema = 0
explicit_defaults_for_timestamp

skip-external-locking

default_storage_engine = InnoDB
#default-storage-engine = MyISAM
innodb_file_per_table = 1
innodb_open_files = 500
innodb_buffer_pool_size = 1024M
innodb_write_io_threads = 4
innodb_read_io_threads = 4
innodb_thread_concurrency = 0
innodb_purge_threads = 1
innodb_flush_log_at_trx_commit = 2
innodb_log_buffer_size = 2M
innodb_log_file_size = 32M
innodb_log_files_in_group = 3
innodb_max_dirty_pages_pct = 90
innodb_lock_wait_timeout = 120

bulk_insert_buffer_size = 8M
myisam_sort_buffer_size = 64M
myisam_max_sort_file_size = 10G
myisam_repair_threads = 1

interactive_timeout = 28800
wait_timeout = 28800

binlog_rows_query_log_events = 1
log_bin_trust_function_creators = 1
log_timestamps = SYSTEM
lower_case_table_names = 1

[mysqldump]
quick
max_allowed_packet = 500M

[myisamchk]
key_buffer_size = 256M
sort_buffer_size = 8M
read_buffer = 4M
write_buffer = 4M

  

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