一、安装yum仓库
rpm -ivh https://dev.mysql.com/get/mysql80-community-release-el8-8.noarch.rpm二、先禁用本地的 MySQL 模块
yum module -y disable mysql
MySQL 8.0 Community Server 273 kB/s | 3.2 MB 00:11
MySQL Connectors Community 33 kB/s | 102 kB 00:03
MySQL Tools Community 78 kB/s | 794 kB 00:10
上次元数据过期检查：0:00:01 前，执行于 2023年08月25日 星期五 16时26分33秒。
依赖关系解决。
==============================================================================================================================================================================================================================================================================
软件包 架构 版本 仓库 大小
==============================================================================================================================================================================================================================================================================
禁用模块:
mysql
事务概要
==============================================================================================================================================================================================================================================================================
完毕！三、安装最新版的MySQL 8
[root@ol8_mysql101 ~]# yum install mysql-community-server -y
上次元数据过期检查：0:03:32 前，执行于 2023年08月25日 星期五 16时26分33秒。
依赖关系解决。
==============================================================================================================================================================================================================================================================================
软件包 架构 版本 仓库 大小
==============================================================================================================================================================================================================================================================================
安装:
mysql-community-server x86_64 8.0.34-1.el8 mysql80-community 64 M
安装依赖关系:
mysql-community-client x86_64 8.0.34-1.el8 mysql80-community 16 M
mysql-community-client-plugins x86_64 8.0.34-1.el8 mysql80-community 3.5 M
mysql-community-common x86_64 8.0.34-1.el8 mysql80-community 668 k
mysql-community-icu-data-files x86_64 8.0.34-1.el8 mysql80-community 2.2 M
mysql-community-libs x86_64 8.0.34-1.el8 mysql80-community 1.5 M
事务概要
==============================================================================================================================================================================================================================================================================
安装 6 软件包
总下载：88 M
安装大小：415 M
下载软件包：
(1/6): mysql-community-common-8.0.34-1.el8.x86_64.rpm 114 kB/s | 668 kB 00:05
(2/6): mysql-community-client-plugins-8.0.34-1.el8.x86_64.rpm 579 kB/s | 3.5 MB 00:06
(3/6): mysql-community-libs-8.0.34-1.el8.x86_64.rpm 746 kB/s | 1.5 MB 00:02
(4/6): mysql-community-icu-data-files-8.0.34-1.el8.x86_64.rpm 470 kB/s | 2.2 MB 00:04
(5/6): mysql-community-client-8.0.34-1.el8.x86_64.rpm 987 kB/s | 16 MB 00:16
(6/6): mysql-community-server-8.0.34-1.el8.x86_64.rpm 2.4 MB/s | 64 MB 00:26
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
总计 2.5 MB/s | 88 MB 00:35
MySQL 8.0 Community Server 3.0 MB/s | 3.1 kB 00:00
导入 GPG 公钥 0x3A79BD29:
Userid: "MySQL Release Engineering <mysql-build@oss.oracle.com>"
指纹: 859B E8D7 C586 F538 430B 19C2 467B 942D 3A79 BD29
来自: /etc/pki/rpm-gpg/RPM-GPG-KEY-mysql-2022
导入公钥成功
MySQL 8.0 Community Server 1.9 MB/s | 1.9 kB 00:00
导入 GPG 公钥 0x5072E1F5:
Userid: "MySQL Release Engineering <mysql-build@oss.oracle.com>"
指纹: A4A9 4068 76FC BD3C 4567 70C8 8C71 8D3B 5072 E1F5
来自: /etc/pki/rpm-gpg/RPM-GPG-KEY-mysql
导入公钥成功
运行事务检查
事务检查成功。
运行事务测试
事务测试成功。
运行事务
准备中 : 1/1
安装 : mysql-community-common-8.0.34-1.el8.x86_64 1/6
安装 : mysql-community-client-plugins-8.0.34-1.el8.x86_64 2/6
安装 : mysql-community-libs-8.0.34-1.el8.x86_64 3/6
运行脚本: mysql-community-libs-8.0.34-1.el8.x86_64 3/6
安装 : mysql-community-client-8.0.34-1.el8.x86_64 4/6
安装 : mysql-community-icu-data-files-8.0.34-1.el8.x86_64 5/6
运行脚本: mysql-community-server-8.0.34-1.el8.x86_64 6/6
安装 : mysql-community-server-8.0.34-1.el8.x86_64 6/6
运行脚本: mysql-community-server-8.0.34-1.el8.x86_64 6/6
验证 : mysql-community-client-8.0.34-1.el8.x86_64 1/6
验证 : mysql-community-client-plugins-8.0.34-1.el8.x86_64 2/6
验证 : mysql-community-common-8.0.34-1.el8.x86_64 3/6
验证 : mysql-community-icu-data-files-8.0.34-1.el8.x86_64 4/6
验证 : mysql-community-libs-8.0.34-1.el8.x86_64 5/6
验证 : mysql-community-server-8.0.34-1.el8.x86_64 6/6
已安装:
mysql-community-client-8.0.34-1.el8.x86_64 mysql-community-client-plugins-8.0.34-1.el8.x86_64 mysql-community-common-8.0.34-1.el8.x86_64 mysql-community-icu-data-files-8.0.34-1.el8.x86_64 mysql-community-libs-8.0.34-1.el8.x86_64
mysql-community-server-8.0.34-1.el8.x86_64
完毕！四、创建相应的文件夹
mkdir -p /u01/mysql/data
mkdir -p /u01/mysql/run
mkdir -p /u01/mysql/logs
mkdir -p /u01/mysql/binlog
mkdir -p /u01/mysql/relaylog
chown -R mysql:mysql /u01/mysql五、修改配置文件
cat > /etc/my.cnf << EOF
[client]
port = 3306
socket = /u01/mysql/run/mysql.sock
[mysql]
prompt = "\u@\h: [\d]> "
no_auto_rehash
loose-skip-binary-as-hex
[mysqld]
user = mysql
port = 3306
server_id = 1
#all dir file
basedir = /usr/local/mysql
datadir = /u01/mysql/data
socket = /u01/mysql/run/mysql.sock
slow_query_log_file = /u01/mysql/logs/slow.log
log_error = /u01/mysql/logs/error.log
log_bin = /u01/mysql/binlog/mybinlog
relay_log = /u01/mysql/relaylog
pid_file = mysqldb.pid
character_set_server = UTF8MB4
skip_name_resolve = 1
default_time_zone = "+8:00"
admin_address = '127.0.0.1'
admin_port = 33062
sql_mode = "STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_ENGINE_SUBSTITUTION"
character-set-server=utf8mb4
autocommit = 1
innodb_file_per_table=1
#performance setttings
lock_wait_timeout = 3600
open_files_limit = 65535
back_log = 1024
max_connections = 812
max_connect_errors = 1000000
table_open_cache = 1024
table_definition_cache = 1024
thread_stack = 512K
sort_buffer_size = 16M
join_buffer_size = 16M
read_buffer_size = 8M
read_rnd_buffer_size = 16M
bulk_insert_buffer_size = 64M
thread_cache_size = 1218
interactive_timeout = 600
wait_timeout = 600
tmp_table_size = 96M
max_heap_table_size = 96M
#log settings
log_timestamps = SYSTEM
log_error_verbosity = 3
slow_query_log = 1
log_slow_extra = 1
long_query_time = 0.1
log_queries_not_using_indexes = 1
log_throttle_queries_not_using_indexes = 60
min_examined_row_limit = 100
log_slow_admin_statements = 1
log_slow_slave_statements = 1
binlog_format = ROW
sync_binlog = 10
binlog_cache_size = 4M
max_binlog_cache_size = 2G
max_binlog_size = 1G
binlog_rows_query_log_events = 1
binlog_expire_logs_seconds = 2592000
binlog_checksum = CRC32
gtid_mode = ON
enforce_gtid_consistency = TRUE
#myisam settings
key_buffer_size = 32M
myisam_sort_buffer_size = 128M
#replication settings
relay_log_recovery = 1
slave_parallel_type = LOGICAL_CLOCK
slave_parallel_workers = 4
binlog_transaction_dependency_tracking = WRITESET
slave_preserve_commit_order = 1
slave_checkpoint_period = 2
replication_optimize_for_static_plugin_config = ON
replication_sender_observe_commit_only = ON
# async replication settings
skip_slave_start
#innodb settings
#transaction_isolation = REPEATABLE-READ
transaction_isolation = READ-COMMITTED
innodb_buffer_pool_size = 5G
innodb_buffer_pool_instances = 4
innodb_data_file_path = ibdata1:12M:autoextend
innodb_flush_log_at_trx_commit = 1
innodb_log_buffer_size = 32M
innodb_log_file_size = 1G
innodb_log_files_in_group = 3
loose-innodb_redo_log_capacity = 3G
innodb_max_undo_log_size = 4G
innodb_io_capacity = 14000
innodb_io_capacity_max = 28000
innodb_open_files = 65535
innodb_flush_method = O_DIRECT
innodb_lru_scan_depth = 4000
innodb_lock_wait_timeout = 10
innodb_rollback_on_timeout = 1
innodb_print_all_deadlocks = 1
innodb_online_alter_log_max_size = 4G
innodb_print_ddl_logs = 1
innodb_status_file = 1
#注意: 开启 innodb_status_output & innodb_status_output_locks 后, 可能会导致log_error文件增长较快
innodb_status_output = 0
innodb_status_output_locks = 1
innodb_sort_buffer_size = 67108864
innodb_adaptive_hash_index = OFF
#提高索引统计信息精确度
innodb_stats_persistent_sample_pages = 500
innodb_adaptive_hash_index = 0
loose-sql_generate_invisible_primary_key = ON
#innodb monitor settings
innodb_monitor_enable = "module_innodb"
innodb_monitor_enable = "module_server"
innodb_monitor_enable = "module_dml"
innodb_monitor_enable = "module_ddl"
innodb_monitor_enable = "module_trx"
innodb_monitor_enable = "module_os"
innodb_monitor_enable = "module_purge"
innodb_monitor_enable = "module_log"
innodb_monitor_enable = "module_lock"
innodb_monitor_enable = "module_buffer"
innodb_monitor_enable = "module_index"
innodb_monitor_enable = "module_ibuf_system"
innodb_monitor_enable = "module_buffer_page"
#innodb_monitor_enable = "module_adaptive_hash"
#pfs settings
performance_schema = 1
#performance_schema_instrument = '%memory%=on'
loose-performance_schema_instrument = '%lock%=on'
[mysqldump]
quick
EOF六、关闭selinux和防火墙，并启动mysql
[root@ol8_mysql101 /]# /sbin/setenforce 0
[root@ol8_mysql101 /]# sed -i 's\SELINUX=enforcing\SELINUX=disabled\' /etc/selinux/config
[root@ol8_mysql101 /]# systemctl stop firewalld.service
[root@ol8_mysql101 /]# systemctl disable firewalld.service
Removed /etc/systemd/system/multi-user.target.wants/firewalld.service.
Removed /etc/systemd/system/dbus-org.fedoraproject.FirewallD1.service.
[root@ol8_mysql101 /]# systemctl start mysqld.service七、修改密码
[root@ol8_mysql101 /]# cat /u01/mysql/logs/error.log |grep "password is generated"
2023-08-25T17:23:07.229407+08:00 6 [Note] [MY-010454] [Server] A temporary password is generated for root@localhost: yhg7e&C*U4jw
[root@ol8_mysql101 /]# mysql -uroot -p"yhg7e&C*U4jw"
mysql: [Warning] Using a password on the command line interface can be insecure.
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 8
Server version: 8.0.34
Copyright (c) 2000, 2023, Oracle and/or its affiliates.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
root@mysqldb 17:29: [(none)]> ALTER USER 'root'@'localhost' IDENTIFIED BY '123456';
Query OK, 0 rows affected (0.02 sec)
root@mysqldb 17:30: [(none)]> flush privileges;
Query OK, 0 rows affected (0.00 sec)八、系统添加免密登陆
[root@ol8_mysql101 /]# cat > ~/.my.cnf <<EOF
[client]
user = root
password = 123456
EOF
[root@ol8_mysql101 /]# mysql
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 10
Server version: 8.0.34 MySQL Community Server - GPL
Copyright (c) 2000, 2023, Oracle and/or its affiliates.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
root@mysqldb 17:34: [(none)]>