Linux系统下 MySQL 5.7和8.0 版本安装指南

rpm -qa | grep mariadb

yum list installed | grep mariadb

yum -y remove mariadb-libs-5.5.44-2.el7.centos.x86_64

firewall-cmd --state #查看防火墙状态
systemctl stop firewalld.service #关闭防火墙
systemctl is-enabled firewalld.service;echo $? #查看防火墙是否开机自启
systemctl disable firewalld.service #禁止防火墙开机启动

yum search libaio
yum install libaio

mkdir /data
cd /data/
yum -y install wget
wget https://cdn.mysql.com//Downloads/MySQL-5.7/mysql-5.7.20-linux-glibc2.12-x86_64.tar.gz

tar -zxvf mysql-5.7.20-linux-glibc2.12-x86_64.tar.gz -C /data
mv /data/mysql-5.7.20-linux-glibc2.12-x86_64/ /data/mysql57
mkdir mysql #数据目录与安装目录分离，便于以后MySQL升级

groupadd mysql
useradd mysql -g mysql

[client]
socket = /data/mysql/data/mysql.sock
default-character-set=utf8mb4
#loose-local-infile=0
<p>[mysqld]
log_bin_trust_function_creators=1
secure_file_priv='/tmp'</p><p>########dir settings########
basedir = /data/mysql57
datadir = /data/mysql/data
pid-file = /data/mysql/data/mysql.pid
socket = /data/mysql/data/mysql.sock
tmpdir = /data/mysql/tmp
log-bin = /data/mysql/mysql_log/mysql-bin
log-error = /data/mysql/mysql_log/mysql.err
general_log_file=/data/mysql/mysql_log/mysql.genlog
slow_query_log_file = /data/mysql/mysql_log/mysql_slow_new.log
relay_log = /data/mysql/mysql_log/relay.log</p><p>########server setting########
sql_mode = "ONLY_FULL_GROUP_BY,STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION"
server-id = 2022
port = 3306
character-set-server=utf8mb4
collation_server=utf8mb4_unicode_ci
lower_case_table_names = 0
skip_name_resolve = 1</p><h1>max_connect_errors = 1000</h1><p>max_connections = 2000
thread_cache_size=256</p><h1>thread_stack= 262144</h1><h1>back_log=80</h1><p>max_allowed_packet = 134217728
event_scheduler = 1
local-infile=0</p><h1>lower_case_table_names = 1</h1><p>explicit_defaults_for_timestamp = 1
expire_logs_days = 15
log_bin_trust_function_creators =1</p><h4>.frm/.ibd files qty related</h4><p>open_files_limit=65535
innodb_open_files=65535
table_open_cache=65535
table_definition_cache=65535</p><h4>seesion buffer related</h4><p>read_buffer_size = 262144
read_rnd_buffer_size = 524288
sort_buffer_size = 8388608
join_buffer_size = 8388608</p><h4>memory table size</h4><p>tmp_table_size =67108864
max_heap_table_size=67108864</p><h4>timeout</h4><p>interactive_timeout = 1800
wait_timeout = 1800</p><h1>connect_timeout=10</h1><p>########slow query ########
slow_query_log = 1
log_slow_slave_statements = 1
log_queries_not_using_indexes = 1
log_throttle_queries_not_using_indexes = 10
long_query_time = 1</p><h1>min_examined_row_limit = 10000</h1><p>########innodb settings########
innodb_buffer_pool_size = 193273528320
innodb_buffer_pool_instances = 16 
innodb_buffer_pool_dump_pct = 40
innodb_lru_scan_depth = 2048
innodb_page_cleaners = 16</p><h1>innodb_purge_threads = 4</h1><p>innodb_sort_buffer_size = 67108864</p><h1>innodb_file_per_table = 1</h1><h1>innodb_flush_log_at_trx_commit = 1</h1><p>innodb_undo_log_truncate = 1
innodb_undo_tablespaces = 3 
innodb_max_undo_log_size = 2147483648
innodb_purge_rseg_truncate_frequency = 128
innodb_log_file_size = 1073741824
innodb_log_files_in_group = 3
innodb_log_buffer_size = 16777216
innodb_flush_method = O_DIRECT
innodb_flush_neighbors = 0
innodb_print_all_deadlocks = 1
innodb_strict_mode = 1</p><h1>innodb_lock_wait_timeout = 50</h1><p>innodb_io_capacity = 32768
innodb_io_capacity_max = 65536
innodb_thread_concurrency = 32
innodb_write_io_threads = 8
innodb_read_io_threads = 8</p><p>########replication settings########
master_info_repository = TABLE
relay_log_info_repository = TABLE
gtid_mode = on
enforce_gtid_consistency = 1
binlog_gtid_simple_recovery=1
relay_log_recovery = 1
slave-parallel-type = LOGICAL_CLOCK
slave-parallel-workers = 16
slave_transaction_retries=128
slave_preserve_commit_order=1
log_slave_updates=1
binlog_format = ROW
log_timestamps=system
binlog_rows_query_log_events = 1
binlog_row_image='full'
slave_skip_errors = ddl_exist_errors</p><p>########semi sync replication settings########</p><h1>plugin_dir=/data/mysql/plugin/</h1><h1>plugin_load = "rpl_semi_sync_master=semisync_master.so;rpl_semi_sync_slave=semisync_slave.so"</h1><h1>rpl_semi_sync_master_enabled = 1</h1><h1>rpl_semi_sync_master_timeout = 5000</h1><h1>rpl_semi_sync_slave_enabled = 1</h1><p>[mysqldump]
quick

<code>2018-10-09T16:13:53.205115+08:00 11 [ERROR] [MY-013117] [Repl] Slave I/O for channel '': Fatal error: The slave I/O thread stops because master and slave have equal MySQL server ids; these ids must be different for replication to work (or the --replicate-same-server-id option must be used on slave but this does not always make sense; please check the manual before using it). Error_code: MY-013117</code>

cd /data/mysql
mkdir mysql_log
chown -R mysql.mysql mysql_log/
mkdir tmp
chown -R mysql.mysql tmp/

chmod -R 755 /data/mysql80/bin/

/data/mysql57/bin/mysqld --defaults-file=/etc/my.cnf --initialize --user=mysql --basedir=/data/mysql57 --datadir=/data/mysql/data

<code>[ERROR] unknown variable 'defaults-file=/etc/my.cnf'！</code>

<code>[Note] A temporary password is generated for root@localhost: XXXXXXXX</code>

cp -a /data/mysql57/support-files/mysql.server /etc/init.d/mysqld

chkconfig mysqld on
chkconfig --list | grep mysqld

ln -s /data/mysql57/bin/mysql /usr/bin

service mysqld start

chmod -R 755 ./mysql.server #这个文件是 /data/mysql80/support-files
chmod -R 755 /etc/init.d/mysqld

mysql -uroot -pXXXXXXX
mysql> set password=password('XXXXXXX2');

<code>ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'password('XXXXX')' at line 1</code>

ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY '新密码';
FLUSH PRIVILEGES;