mysql创建

cd /paic/my${port} 在MYSQL_HOME下vi my.cnf server_id请通过右边的脚本生成 [client]                           socket                             = /paic/my${port}/var/mysql.sock port                               = ${port} [mysqld] ############# GENERAL ############# autocommit                         = ON character_set_server               = UTF8MB4 collation_server                   = UTF8MB4_bin explicit_defaults_for_timestamp    = ON  lower_case_table_names             = 1 port                               = ${port} read_only                          = OFF transaction_isolation              = READ-COMMITTED ####### CACHES AND LIMITS ######### interactive_timeout                = 600 max_allowed_packet                 = 32M max_connect_errors                 = 10000 max_connections                    = 500 max_user_connections               = 400 sort_buffer_size                   = 1M table_definition_cache             = 1400 table_open_cache                   = 2000 table_open_cache_instances         = 4 thread_cache_size                  = 9 thread_stack                       = 256K tmp_table_size                     = 32M ############# SAFETY ############## local_infile                       = OFF skip_name_resolve                  = ON sql_mode                           = STRICT_TRANS_TABLES,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_AUTO_VALUE_ON_ZERO,NO_ENGINE_SUBSTITUTION,NO_ZERO_DATE,NO_ZERO_IN_DATE,ONLY_FULL_GROUP_BY ############# LOGGING ############# general_log                        = 0 log_queries_not_using_indexes      = ON log_slow_admin_statements          = ON log_warnings                       = 2 long_query_time                    = 1 slow_query_log                     = ON ############# REPLICATION ############# binlog_checksum                    = CRC32 binlog_format                      = row binlog_rows_query_log_events       = ON enforce_gtid_consistency           = ON expire_logs_days                   = 7 gtid_mode                          = ON log_slave_updates                  = ON master_info_repository             = TABLE master_verify_checksum             = ON max_binlog_size                    = 256M relay_log_info_repository          = TABLE server_id                          = ${server_id} skip_slave_start                   = ON slave_net_timeout                  = 4 slave_sql_verify_checksum          = ON sync_binlog                        = 0 sync_master_info                   = 10000 sync_relay_log                     = 10000 sync_relay_log_info                = 10000 ############### PATH ############## basedir                            = /paic/mysql/base datadir                            = /paic/my${port}/data tmpdir                             = /paic/my${port}/tmp socket                             = /paic/my${port}/var/mysql.sock pid_file                           = /paic/my${port}/var/mysql.pid innodb_data_home_dir               = /paic/my${port}/data log_error                          = /paic/my${port}/log/error.log general_log_file                   = /paic/my${port}/log/general.log slow_query_log_file                = /paic/my${port}/log/slow.log log_bin                            = /paic/my${port}/log/mysql-bin log_bin_index                      = /paic/my${port}/log/mysql-bin.index relay_log                          = /paic/my${port}/log/relay-log relay_log_index                    = /paic/my${port}/log/relay-log.index ############# INNODB ############# innodb_file_format                 = barracuda innodb_flush_method                = O_DIRECT innodb_buffer_pool_size            = 2G innodb_log_file_size               = 256M innodb_log_files_in_group          = 4 innodb_flush_log_at_trx_commit     = 2 innodb_support_xa                  = ON innodb_strict_mode                 = ON innodb_data_file_path              = ibdata1:256M;ibdata2:16M:autoextend innodb_checksum_algorithm          = strict_crc32 [mysql] ############# CLIENT #############                            max_allowed_packet                 = 32M socket                             = /paic/my${port}/var/mysql.sock [mysqldump]                        max_allowed_packet                 = 32M cd $MYSQL_HOME scripts/mysql_install_db --defaults-file=/paic/my${port}/my.cnf cd $MYSQL_HOME mysqld_safe  --defaults-file=/paic/my${port}/my.cnf & mysql -uroot --socket=/paic/my${port}/var/mysql.sock ln -s /paic/my${port}/var/mysql.sock /tmp/mysql.sock mysql_secure_installation --defaults-file=/paic/my${port}/my.cnf 脚本执行请按下面选项进行安全初始化 Set root password? [Y/n] y Remove anonymous users? [Y/n] y Disallow root login remotely? [Y/n] y Remove test database and access to it? [Y/n] y Reload privilege tables now? [Y/n] y All done!  rm /tmp/mysql.sock mysql_config_editor set --login-path=root --user=root --password 输入root的密码 验证login文件无需输入密码登录即可 mysql --login-path=root --socket=/paic/my${port}/var/mysql.sock 停库 mysqladmin -uroot -p --socket=/paic/my${port}/var/mysql.sock shutdown 起库 mysqld_safe  --defaults-file=/paic/my${port}/my.cnf & 验证参数autocommit show variables like '%autocommit%';