记得给权限呀， 权限呀， 都是泪
多实例
单实例
配置文件
[client] port = 3301 socket = /data/mysql3301/data/mysqld3301.sock [mysqld_safe] socket = /data/mysql3301/data/mysqld3301.sock nice = 0 #flush-caches numa-interleave [mysql] port = 3301 socket = /data/mysql3301/data/mysqld3301.sock no_auto_rehash default_character_set = utf8 prompt = u@h:p:[d]> [mysqldump] quick quote-names max_allowed_packet = 16M [mysqld] # GENERAL # user = mysqldb port = 3301 default_storage_engine = InnoDB socket = /data/mysql3301/data/mysqld3301.sock pid_file = /data/mysql3301/data/mysqld3301.pid server-id = 6501 # Charset # init_connect = 'SET collation_connection = utf8mb4_unicode_ci' init_connect = 'SET NAMES utf8mb4' character-set-server = utf8mb4 character-set-client = utf8mb4 collation-server = utf8mb4_unicode_ci skip-character-set-client-handshake explicit_defaults_for_timestamp=true # MyISAM # key_buffer_size = 32M myisam_recover = FORCE,BACKUP # SAFETY # max_allowed_packet = 16M max_connect_errors = 1000000 skip_name_resolve innodb = FORCE # DATA STORAGE # datadir = /data/mysql3301/data # BINARY LOGGING # log_bin = /data/mysql3301/binlog/mysql-bin log_bin_index = /data/mysql3301/binlog/mysql-bin.index expire_logs_days = 7 sync_binlog = 1 binlog_format = ROW binlog_cache_size = 4M max_binlog_size = 1G max_binlog_cache_size = 100M # CACHES AND LIMITS # tmp_table_size = 32M max_heap_table_size = 32M query_cache_type = 0 query_cache_size = 0 max_connections = 5000 max_user_connections = 5000 thread_cache_size = 100 open_files_limit = 65536 table_definition_cache = 10240 table_open_cache = 10240 thread_handling = pool-of-threads thread_pool_oversubscribe = 10 # INNODB # innodb_flush_method = O_DIRECT innodb_log_files_in_group = 2 innodb_log_file_size = 512M innodb_log_buffer_size = 64M innodb_flush_log_at_trx_commit = 2 innodb_file_per_table = 1 innodb_open_files = 1024 innodb_buffer_pool_size = 1 #innodb_buffer_pool_populate = 1 innodb_additional_mem_pool_size = 32M innodb_print_all_deadlocks = 1 innodb_log_group_home_dir = /data/mysql3301/innolog innodb_data_home_dir = /data/mysql3301/innodata # REPLICATION # skip_slave_start = 1 #replicate-wild-ignore-table = mysql.% replicate-wild-ignore-table = information_schema.% replicate-wild-ignore-table = performance_schema.% relay_log = /data/mysql3301/relaylog/relay-bin relay-log-index = /data/mysql3301/relaylog/relay-bin.index sync_master_info = 1 sync_relay_log = 1 sync_relay_log_info = 1 read_only = 0 # LOGGING # log_error = /data/mysql3301/log/mysql-error.log log_queries_not_using_indexes = 1 long_query_time = 1 slow_query_log = 1 slow_query_log_file = /data/mysql3301/log/mysql-slow.log general_log = OFF general_log_file = /data/mysql3301/log/mysql-general.log
[client] port = 3301 socket = /data/mysql8.0/mysql.sock [mysqld_safe] socket = /data/mysql8.0/mysql.sock nice = 0 #flush-caches numa-interleave [mysql] port = 3301 socket = /data/mysql8.0/mysql.sock no_auto_rehash default_character_set = utf8 prompt = u@h:p:[d]> [mysqldump] quick quote-names max_allowed_packet = 16M [mysqld] #skip-grant-tables default_authentication_plugin = mysql_native_password # GENERAL # user = mysql port = 3301 default_storage_engine = InnoDB socket = /data/mysql8.0/mysql.sock #pid_file = /data/mysql8.0/mysqld.pid pid_file = /data/mysql8.0/mysqld.pid server-id = 6501 # Charset # init_connect = 'SET collation_connection = utf8mb4_unicode_ci' init_connect = 'SET NAMES utf8mb4' character-set-server = utf8mb4 #character-set-client = utf8mb4 collation-server = utf8mb4_unicode_ci skip-character-set-client-handshake explicit_defaults_for_timestamp=true # MyISAM # key_buffer_size = 32M #myisam_recover = FORCE,BACKUP # SAFETY # max_allowed_packet = 16M max_connect_errors = 1000000 skip_name_resolve innodb = FORCE # DATA STORAGE # datadir = /data/mysql8.0 # BINARY LOGGING # log_bin = /data/mysql8.0/mysql-bin log_bin_index = /data/mysql8.0/mysql-bin.index expire_logs_days = 7 sync_binlog = 1 binlog_format = ROW binlog_cache_size = 4M max_binlog_size = 1G max_binlog_cache_size = 100M # CACHES AND LIMITS # tmp_table_size = 32M max_heap_table_size = 32M # query_cache_type = 0 # query_cache_size = 0 max_connections = 5000 max_user_connections = 5000 thread_cache_size = 100 open_files_limit = 65536 table_definition_cache = 10240 table_open_cache = 10240 #thread_handling = pool-of-threads # thread_pool_oversubscribe = 10 # INNODB # innodb_flush_method = O_DIRECT innodb_log_files_in_group = 2 innodb_log_file_size = 512M innodb_log_buffer_size = 64M innodb_flush_log_at_trx_commit = 2 innodb_file_per_table = 1 innodb_open_files = 1024 innodb_buffer_pool_size = 1 #innodb_buffer_pool_populate = 1 # innodb_additional_mem_pool_size = 32M innodb_print_all_deadlocks = 1 innodb_log_group_home_dir = /data/mysql8.0 innodb_data_home_dir = /data/mysql8.0 # REPLICATION # skip_slave_start = 1 #replicate-wild-ignore-table = mysql.% replicate-wild-ignore-table = information_schema.% replicate-wild-ignore-table = performance_schema.% relay_log = /data/mysql8.0/relay-bin relay-log-index = /data/mysql8.0/relay-bin.index sync_master_info = 1 sync_relay_log = 1 sync_relay_log_info = 1 read_only = 0 # LOGGING # log_error = /data/mysql8.0/mysqld.log log_queries_not_using_indexes = 1 long_query_time = 1 slow_query_log = 1 #slow_query_log_file = /data/mysql8.0/mysql-slow.log general_log = OFF #general_log_file = /data/mysql8.0/mysql-general.log