Linux学习笔记(三) 、docker学习(3):docker安装mysql-server

最近在docker 上处理一些个人服务,便在空闲时间捣鼓了一下mysql8在docker上的安装、配置、远程连接等的问题。

# 事先开启防火墙端口,开好后重启一下docker。
firewall-cmd --zone=public --add-port=3306/tcp --permanent
firewall-cmd --reload
----------------mysql---配置
docker pull mysql/mysql-server:8.0.22
# docker run -d -p 3306:3306 --name mysql_2020 -e MYSQL_ROOT_PASSWORD=1234 mysql/mysql-server:8.0.22 
# 下面这个添加了运行内存控制,推荐大家不确定控制多少内存的情况下,先使用上面的一个被注掉的命令
docker run -e TZ="Asia/Shanghai" -d -p 3306:3306 --name mysql_2021v1 -m 600M --memory-swap 800M  -e MYSQL_ROOT_PASSWORD=1234 mysql/mysql-server:8.0.22 

docker exec -it [container_id] /bin/bash   ##进入容器
mysql -uroot -p1234
show global variables like 'port';

# 使用mysql8 数据库--远程连接
mysql > use mysql;
# 特定用户的host 修改
mysql > update user set host='%' where user='root';
# 指定用户的授权
mysql > grant all privileges on test.* to root@'%'; #首次会出现错误,多试几次
# 更改数据库登录密钥加签方式
alter user root identified with mysql_native_password by '1234';

注意:

1、在不确定拉下来的 mysql/mysql-server 的版本是,可以先进入容器查看一下版本。

2、这里对数据卷进行了处理。

# mysql 优化配置 经过学习,知道了该mysql服务的数据文件存在“/var/lib/mysql”,我便将其挂载在主机的“/root/work/mysqldata”文件中
docker run --name mysql_2021v2 -e TZ="Asia/Shanghai" -d -p 5306:3306 -v /root/work/mysqldata:/var/lib/mysql  -m 1000M --memory-swap 1200M  -e MYSQL_ROOT_PASSWORD=1234 mysql/mysql-server:8.0.22 

 20220712配置语句

docker run -e TZ="Asia/Shanghai" \
-v /home/mysql/conf:/etc/mysql/conf.d \
-v /home/mysql/data:/var/lib/mysql \
-d -p 3306:3306 \
--name mysql_8_2022  \
-e MYSQL_ROOT_PASSWORD=1234  mysql:latest

Linux学习笔记(三) 、docker学习(3):docker安装mysql-server_第1张图片

mysql8的 my.cnf 配置,位于容器的/etc/mysql/conf.d 里面,其他版本建议参考官方文档再做调整

[client]
port    = 3306
socket  = /var/run/mysqld/mysqld.sock

[mysql]
prompt="\u@mysqldb \R:\m:\s [\d]> "
no-auto-rehash

[mysqld]

##########################################NEED SET#################################################
#主数据库的id必须小于从数据库的id
server-id = 1
# 表大小写不敏感
lower_case_table_names=1
# 分组语句处理
sql_mode=STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_ENGINE_SUBSTITUTION
###########################################SET END################################################
user    = mysql
port    = 3306
basedir = /usr
datadir = /var/lib/mysql/
#tmpdir  = "/home/mysql/tmp/"
socket  = /var/run/mysqld/mysqld.sock
pid-file = mysqldb.pid
character-set-server = utf8mb4
skip_name_resolve = 1

#若你的MySQL数据库主要运行在境外,请务必根据实际情况调整本参数
default_time_zone = "+8:00"

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 = 1G
mysqlx_max_allowed_packet = 1G
sort_buffer_size = 4M
join_buffer_size = 4M
thread_cache_size = 768
interactive_timeout = 86400
wait_timeout = 86400
tmp_table_size = 32M
max_heap_table_size = 32M
slow_query_log = 1
log_timestamps = SYSTEM
slow_query_log_file = /var/lib/mysql/slow.log
log-error = /var/lib/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 = 3306
log-bin = /var/lib/mysql/mybinlog
sync_binlog = 1
binlog_cache_size = 4M
max_binlog_cache_size = 2G
max_binlog_size = 1G

#注意:MySQL 8.0开始,binlog_expire_logs_seconds选项也存在的话,会忽略expire_logs_days选项
#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 = 32M
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
myisam_repair_threads = 1
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
#innodb_additional_mem_pool_size = 16M
##########################################NEED SET#################################################
#其他全部使用默认,这个地方的大小设置为内存的70%即可
innodb_buffer_pool_size = 10000M
###########################################SET END################################################
innodb_buffer_pool_instances = 4
innodb_buffer_pool_load_at_startup = 1
innodb_buffer_pool_dump_at_shutdown = 1
innodb_data_file_path = ibdata1:1G: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 = /var/lib/mysql/undolog
innodb_undo_tablespaces = 95

# 根据您的服务器IOPS能力适当调整
# 一般配普通SSD盘的话,可以调整到 10000 - 20000
# 配置高端PCIe SSD卡的话,则可以调整的更高,比如 50000 - 80000
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

#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 = 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

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