1.路径规划与创建
数据文件存储位置 /data/mysql/data
日志文件存储位置 /data/logs/mysql
binlog文件存储位置 /data/mysql
缓存目录位置 /dta/tmp
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| mkdir -p /data/mysql/data
mkdir -p /data/logs/mysql
mkdir -p /data/logs/tmp
mkdir -p /data/tmp
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2.创建用户配置权限
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| useradd mysql
chown -R mysql:mysql /data/mysql
chown -R mysql:mysql /data/logs
chown -R mysql:mysql /data/tmp
chmod -R 775 /data/mysql
chmod -R 775 /data/logs
chmod -R 775 /data/tmp
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3.上传安装包与依赖包并解压
安装包：
https://downloads.mariadb.org/mariadb/+releases/
依赖包：
https://pan.baidu.com/s/1neVvaAUbeQ1xIj7bIUtSKA 提取码：ydx0
上传mariadb-10.5.8-linux-systemd-x86_64.tar.gz至/tmp
tar zxvf mariadb-10.5.8-linux-x86_64.tar.gz -C /usr/local/
cd /usr/local/
把libtinfo.so.5依赖包放在该目录下：
/lib/x86_64-linux-gnu/
mv mariadb-10.5.8-linux-x86_64/ mysql
4.修改配置文件
vim /etc/my.cnf
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| [client]
port = 3306
socket = /tmp/mysql.sock
[mysqld]
user = mysql
datadir = /data/mysql/data
pid-file = /data/mysql/mysql.pid
server-id = 50
relay_log =/data/logs/mysql/mysql_relay.log
bind-address = 0.0.0.0
tmpdir=/data/tmp
#当数据库是大量存储时建议指向TMP目录，否则做全表操作时临时空间会不足
init_connect ='SET NAMES utf8'
character-set-server = utf8
skip-name-resolve
back_log = 300
max_connections = 8019
max_connect_errors = 1024000
open_files_limit = 65535
table_open_cache = 2048
max_allowed_packet = 50M
max_heap_table_size = 512M
tmp_table_size = 256M
read_buffer_size = 2M
read_rnd_buffer_size = 16M
sort_buffer_size = 8M
join_buffer_size = 8M
key_buffer_size = 512M
thread_cache_size = 128
query_cache_type = 2
query_cache_size = 128M
query_cache_limit = 5M
thread_stack = 192k
ft_min_word_len = 4
log_bin = /data/mysql/mysql_bin.log
binlog_format = ROW
expire_logs_days = 7
log_error = /data/logs/mysql/mysql_error.log
slow_query_log = 1
long_query_time = 1
log_slow_verbosity=query_plan
slow_query_log_file = /data/logs/mysql/mysql_slow.log
performance_schema = 0
skip-external-locking #跳过外部锁定，避免external locking
bulk_insert_buffer_size = 64M
myisam_sort_buffer_size = 128M
myisam_max_sort_file_size = 10G
myisam_repair_threads = 1
#
default_storage_engine = InnoDB
innodb_file_per_table = 1
innodb_open_files = 500
innodb_buffer_pool_size = 2048M
innodb_write_io_threads = 8
innodb_read_io_threads = 8
innodb_thread_concurrency = 16
innodb_purge_threads = 1
innodb_flush_log_at_trx_commit = 1
innodb_log_buffer_size = 8M
innodb_log_file_size = 256M
innodb_log_files_in_group = 3
innodb_max_dirty_pages_pct = 90
innodb_lock_wait_timeout = 10
innodb_autoinc_lock_mode = 2
innodb_doublewrite = 1
#
innodb_rollback_on_timeout = 1
innodb_force_recovery=0
interactive_timeout = 28800
wait_timeout = 120
[mysqldump]
quick
max_allowed_packet = 16M
[myisamchk]
key_buffer_size = 512M
sort_buffer_size = 8M
read_buffer = 4M
write_buffer = 4M
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5.初始化数据库
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| /usr/local/mysql/scripts/mysql_install_db --basedir=/usr/local/mysql --datadir=/data/mysql/data --user=mysql
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6.设置启动文件
cp /usr/local/mysql/support-files/mysql.server /etc/init.d/mysql
7.启动数据库
/etc/init.d/mysql start
8.配置环境变量
vim /etc/profile
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| #在最后面添加
export MYSQL_HOME=/usr/local/mysql
export PATH=$MYSQL_HOME/bin:$PATH
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source /etc/profile
9.使用无密码登录，添加登录密码
mysql
无密码登录使用如下命令：
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| ALTER USER root@localhost IDENTIFIED VIA mysql_native_password USING PASSWORD("admin");
flush privileges;
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之后用密码正常登录即可