MySQL8.0安装初始化（二进制安装包）
1.add user
useradd -M -s /sbin/nologin mysql
2.init base
tar -zxvf mysql-8.0.23-linux-glibc2.17-x86_64-minimal.tar.xz -C /data/mysql
mkdir /data/mysql/data
mv /etc/my.cnf /tmp
touch /data/mysql/error.log
cp /data/mysql/support-files/mysql.server /data/mysql/
/data/mysql/support-files/mysql.server
...
basedir=/data/mysql
datadir=/data/mysql/data
...
3.add config file
cat <<EOF>> /data/mysql/my.cnf
[client]
port = 4376
socket = /data/mysql/mysql.sock
[mysql]
prompt="\u@mysql \R:\m:\s [\d]> "
no-auto-rehash
[mysqld]
user = mysql
port = 4376
basedir = /data/mysql
datadir = /data/mysql/data
socket = /data/mysql/mysql.sock
pid-file = /data/mysql/mysql.pid
#character-set-server = utf8
#collation-server=utf8_bin
skip_name_resolve = 1
default_time_zone = "+8:00"
default-storage-engine=INNODB
character_set_server=utf8mb4
innodb_default_row_format=DYNAMIC
#innodb_large_prefix=ON
#innodb_file_format=Barracuda
open_files_limit = 65535
back_log = 1024
max_connections = 512
max_connect_errors = 1000000
table_open_cache = 1024
table_definition_cache = 1024
table_open_cache_instances = 64
thread_stack = 512K
external-locking = FALSE
max_allowed_packet = 256M
sort_buffer_size = 4M
join_buffer_size = 4M
thread_cache_size = 768
interactive_timeout = 600
wait_timeout = 600
tmp_table_size = 32M
max_heap_table_size = 32M
slow_query_log = 1
log_timestamps = SYSTEM
slow_query_log_file = /data/mysql/slow.log
log-error = /data/mysql/error.log
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
server-id = 4376
log-bin = /data/mysql/data/mybinlog
sync_binlog = 1
binlog_cache_size = 4M
max_binlog_cache_size = 2G
max_binlog_size = 1G
expire_logs_days = 7
master_info_repository = TABLE
relay_log_info_repository = TABLE
gtid_mode = on
enforce_gtid_consistency = 1
log_slave_updates
slave-rows-search-algorithms = 'INDEX_SCAN,HASH_SCAN'
binlog_format = row
binlog_checksum = 1
relay_log_recovery = 1
relay-log-purge = 1
key_buffer_size = 15M
read_buffer_size = 8M
read_rnd_buffer_size = 4M
bulk_insert_buffer_size = 64M
myisam_sort_buffer_size = 128M
myisam_max_sort_file_size = 10G
lock_wait_timeout = 3600
explicit_defaults_for_timestamp = 1
innodb_thread_concurrency = 0
innodb_sync_spin_loops = 100
innodb_spin_wait_delay = 30
#transaction_isolation = REPEATABLE-READ
transaction_isolation = READ-COMMITTED
#innodb_additional_mem_pool_size = 16M
innodb_buffer_pool_size = 1024M
innodb_buffer_pool_instances = 4
innodb_buffer_pool_load_at_startup = 1
innodb_buffer_pool_dump_at_shutdown = 1
innodb_data_file_path = ibdata1:12M:autoextend
innodb_flush_log_at_trx_commit = 1
innodb_log_buffer_size = 32M
innodb_log_file_size = 2G
innodb_log_files_in_group = 2
innodb_max_undo_log_size = 4G
innodb_undo_directory = /data/mysql/data
innodb_undo_tablespaces = 95
innodb_io_capacity = 4000
innodb_io_capacity_max = 8000
innodb_flush_sync = 0
innodb_flush_neighbors = 0
innodb_write_io_threads = 8
innodb_read_io_threads = 8
innodb_purge_threads = 4
innodb_page_cleaners = 4
innodb_open_files = 65535
innodb_max_dirty_pages_pct = 50
innodb_flush_method = O_DIRECT
innodb_lru_scan_depth = 4000
innodb_checksum_algorithm = crc32
innodb_lock_wait_timeout = 10
innodb_rollback_on_timeout = 1
innodb_print_all_deadlocks = 1
innodb_file_per_table = 1
innodb_online_alter_log_max_size = 4G
innodb_stats_on_metadata = 0
innodb_undo_log_truncate = 1
log_error_verbosity = 3
innodb_print_ddl_logs = 1
binlog_expire_logs_seconds = 604800
#innodb_dedicated_server = 0
innodb_status_file = 1
innodb_status_output = 0
innodb_status_output_locks = 0
#performance_schema
performance_schema = 1
performance_schema_instrument = '%memory%=on'
performance_schema_instrument = '%lock%=on'
#innodb monitor
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"
[mysqldump]
quick
max_allowed_packet = 32M
EOF
4.init server
chown -R mysql:mysql /data/mysql
/data/mysql/bin/mysqld --defaults-file=/data/mysql/my.cnf --initialize --user=mysql --basedir=/data/mysql --datadir=/data/mysql/data
password in /data/mysql/error.log
...
2021-02-20T09:13:05.119014+08:00 6 [Note] [MY-011061] [Server] Creating the system database.
2021-02-20T09:13:05.119209+08:00 6 [Note] [MY-010454] [Server] A temporary password is generated for root@localhost: E<Wr7if642Ck
2021-02-20T09:13:05.119382+08:00 6 [Note] [MY-011061] [Server] Creating the system tables.
...
5.start mysql
/data/mysql/mysql.server start
6.root user login
/data/mysql/bin/mysql -uroot -p -S /data/mysql/mysql.sock
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 8
Server version: 8.0.23
Copyright (c) 2000, 2021, 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.
mysql>show databases;
ERROR 1820 (HY000): You must reset your password using ALTER USER statement before executing this statement.
mysql> alter user root@"localhost" identified by 'mypasswd';
Query OK, 0 rows affected (0.10 sec)
mysql> flush privileges;
Query OK, 0 rows affected (0.06 sec)
mysql> show databases;
+--------------------+
| Database |
+--------------------+
| information_schema |
| mysql |
| performance_schema |
| sys |
+--------------------+
4 rows in set (0.01 sec)
mysql> show full processlist;
+----+-----------------+-----------+------+---------+------+------------------------+-----------------------+
| Id | User | Host | db | Command | Time | State | Info |
+----+-----------------+-----------+------+---------+------+------------------------+-----------------------+
| 5 | event_scheduler | localhost | NULL | Daemon | 116 | Waiting on empty queue | NULL |
| 8 | root | localhost | NULL | Query | 0 | init | show full processlist |
+----+-----------------+-----------+------+---------+------+------------------------+-----------------------+
2 rows in set (0.00 sec)
mysql> select user,host from mysql.user;
+------------------+-----------+
| user | host |
+------------------+-----------+
| mysql.infoschema | localhost |
| mysql.session | localhost |
| mysql.sys | localhost |
| root | localhost |
+------------------+-----------+
4 rows in set (0.00 sec)
mysql> \s
--------------
/data/mysql/bin/mysql Ver 8.0.23 for Linux on x86_64 (MySQL Community Server - GPL)
Connection id: 8
Current database:
Current user: root@localhost
SSL: Not in use
Current pager: stdout
Using outfile: ''
Using delimiter: ;
Server version: 8.0.23
Protocol version: 10
Connection: Localhost via UNIX socket
Server characterset: utf8mb4
Db characterset: utf8mb4
Client characterset: utf8mb4
Conn. characterset: utf8mb4
UNIX socket: /data/mysql/mysql.sock
Binary data as: Hexadecimal
Uptime: 2 min 9 sec
Threads: 2 Questions: 13 Slow queries: 0 Opens: 1008 Flush tables: 3 Open tables: 33 Queries per second avg: 0.100
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