# # The MySQL database server configuration file. # # You can copy this to one of: # - "/etc/mysql/my.cnf" to set global options, # - "~/.my.cnf" to set user-specific options. # # One can use all long options that the program supports. # Run program with --help to get a list of available options and with # --print-defaults to see which it would actually understand and use. # # For explanations see # http://dev.mysql.com/doc/mysql/en/server-system-variables.html
# This will be passed to all mysql clients # It has been reported that passwords should be enclosed with ticks/quotes # escpecially if they contain "#" chars... # Remember to edit /etc/mysql/debian.cnf when changing the socket location. [client] port = 3306 socket = /var/run/mysqld/mysqld.sock + default-character-set = utf8mb4
# Here is entries for some specific programs # The following values assume you have at least 32M ram
# This was formally known as [safe_mysqld]. Both versions are currently parsed. [mysqld_safe] socket = /var/run/mysqld/mysqld.sock nice = 0
[mysqld] # # * Basic Settings # + skip-host-cache user = mysql pid-file = /var/run/mysqld/mysqld.pid socket = /var/run/mysqld/mysqld.sock port = 3306 basedir = /usr datadir = /var/lib/mysql tmpdir = /tmp lc-messages-dir = /usr/share/mysql + explicit_defaults_for_timestamp skip-external-locking # # Instead of skip-networking the default is now to listen only on # localhost which is more compatible and is not less secure. - bind-address = 127.0.0.1 + #bind-address = 127.0.0.1 # # * Fine Tuning # key_buffer = 16M max_allowed_packet = 16M thread_stack = 192K thread_cache_size = 8 # This replaces the startup script and checks MyISAM tables if needed # the first time they are touched myisam-recover = BACKUP - #max_connections = 100 + max_connections = 1000 #table_cache = 64 thread_concurrency = 10 # # * Query Cache Configuration # query_cache_limit = 1M query_cache_size = 16M + skip_name_resolve = 1 + lower_case_table_names = 1 + max_allowed_packet = 32M # # * Logging and Replication # # Both location gets rotated by the cronjob. # Be aware that this log type is a performance killer. # As of 5.1 you can enable the log at runtime! #general_log_file = /var/log/mysql/mysql.log #general_log = 1 # # Error log - should be very few entries. # log_error = /var/log/mysql/error.log # # Here you can see queries with especially long duration #log_slow_queries = /var/log/mysql/mysql-slow.log #long_query_time = 2 #log-queries-not-using-indexes + # 千万不要使用log_slow_queries，这是一个错误的参数，会导致MySQL无法启动 + slow_query_log = 1 + slow_query_log_file = /var/log/mysql/slow.log + long_query_time = 10 # # The following can be used as easy to replay backup logs or for replication. # note: if you are setting up a replication slave, see README.Debian about # other settings you may need to change. - #server-id = 1 + server-id = 2 - #log_bin = /var/log/mysql/mysql-bin.log + log_bin = /var/log/mysql/mysql-bin.log expire_logs_days = 10 max_binlog_size = 100M + read-only = 0 #binlog_do_db = include_database_name #binlog_ignore_db = include_database_name + binlog-ignore-db = mysql + binlog-ignore-db = information_schema + binlog-ignore-db = performance_schema + ## GTID: Global Transaction ID + gtid_mode = on + enforce_gtid_consistency= on + log-slave-updates = 1 + # For all slave servers + skip_slave_start = 1 # # * InnoDB # # InnoDB is enabled by default with a 10MB datafile in /var/lib/mysql/. # Read the manual for more InnoDB related options. There are many! # # * Security Features # # Read the manual, too, if you want chroot! # chroot = /var/lib/mysql/ # # For generating SSL certificates I recommend the OpenSSL GUI "tinyca". # # ssl-ca=/etc/mysql/cacert.pem # ssl-cert=/etc/mysql/server-cert.pem # ssl-key=/etc/mysql/server-key.pem
[mysql] #no-auto-rehash # faster start of mysql but no tab completition + default-character-set = utf8mb4
[isamchk] key_buffer = 16M
# # * IMPORTANT: Additional settings that can override those from this file! # The files must end with '.cnf', otherwise they'll be ignored. # !includedir /etc/mysql/conf.d/