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# Example MySQL config file for large systems. |
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# |
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# This is for a large system with memory = 512M where the system runs mainly |
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# MySQL. |
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# |
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# MySQL programs look for option files in a set of |
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# locations which depend on the deployment platform. |
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# You can copy this option file to one of those |
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# locations. For information about these locations, see: |
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# http://dev.mysql.com/doc/mysql/en/option-files.html |
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# |
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# In this file, you can use all long options that a program supports. |
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# If you want to know which options a program supports, run the program |
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# with the "--help" option. |
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# The following options will be passed to all MySQL clients |
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[client] |
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[client] |
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#password = your_password |
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#password = your_password |
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port = 3306 |
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port = 3306 |
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socket = /tmp/mysql.sock |
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socket = /tmp/mysql.sock |
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# Here follows entries for some specific programs |
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# {$ROOT_PATH} |
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# The MySQL server |
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[mysqld] |
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[mysqld] |
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log-error = mysql.log |
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pid-file = mysql.pid |
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port = 3306 |
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port = 3306 |
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socket = /tmp/mysql.sock |
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socket = /tmp/mysql.sock |
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skip-external-locking #skip-locking |
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datadir = {$SERVER_APP_PATH}/data |
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key_buffer_size = 256M |
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default_storage_engine = MyISAM |
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max_allowed_packet = 1M |
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#skip-external-locking |
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table_open_cache = 256 |
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#loose-skip-innodb |
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sort_buffer_size = 1M |
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key_buffer_size = 8M |
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read_buffer_size = 1M |
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max_allowed_packet = 100G |
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read_rnd_buffer_size = 4M |
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table_open_cache = 32 |
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myisam_sort_buffer_size = 64M |
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sort_buffer_size = 256K |
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thread_cache_size = 8 |
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net_buffer_length = 4K |
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query_cache_size= 16M |
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read_buffer_size = 128K |
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# Try number of CPU's*2 for thread_concurrency |
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read_rnd_buffer_size = 256K |
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thread_concurrency = 8 |
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myisam_sort_buffer_size = 4M |
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lower_case_table_names = 2 |
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thread_cache_size = 4 |
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query_cache_size = 4M |
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# Don't listen on a TCP/IP port at all. This can be a security enhancement, |
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tmp_table_size = 8M |
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# if all processes that need to connect to mysqld run on the same host. |
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# All interaction with mysqld must be made via Unix sockets or named pipes. |
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# Note that using this option without enabling named pipes on Windows |
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# (via the "enable-named-pipe" option) will render mysqld useless! |
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# |
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#skip-networking |
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#skip-networking |
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#skip-name-resolve |
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max_connections = 500 |
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max_connect_errors = 100 |
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open_files_limit = 65535 |
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# Replication Master Server (default) |
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log-bin=mysql-bin |
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# binary logging is required for replication |
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binlog_format=mixed |
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#binlog-format=mysql-bin |
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# binary logging format - mixed recommended |
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#binlog_format=mixed |
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# required unique id between 1 and 2^32 - 1 |
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# defaults to 1 if master-host is not set |
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# but will not function as a master if omitted |
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server-id = 1 |
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server-id = 1 |
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expire_logs_days = 10 |
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slow_query_log=1 |
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slow-query-log-file={$SERVER_APP_PATH}/data/mysql-slow.log |
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long_query_time=3 |
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#log_queries_not_using_indexes=on |
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# Replication Slave (comment out master section to use this) |
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default_storage_engine = InnoDB |
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# |
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innodb_data_home_dir = {$SERVER_APP_PATH}/data |
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# To configure this host as a replication slave, you can choose between |
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innodb_data_file_path = ibdata1:10M:autoextend |
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# two methods : |
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innodb_log_group_home_dir = {$SERVER_APP_PATH}/data |
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# |
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innodb_buffer_pool_size = 16M |
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# 1) Use the CHANGE MASTER TO command (fully described in our manual) - |
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innodb_additional_mem_pool_size = 2M |
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# the syntax is: |
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innodb_log_file_size = 5M |
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# |
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innodb_log_buffer_size = 8M |
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# CHANGE MASTER TO MASTER_HOST=<host>, MASTER_PORT=<port>, |
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innodb_flush_log_at_trx_commit = 1 |
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# MASTER_USER=<user>, MASTER_PASSWORD=<password> ; |
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innodb_lock_wait_timeout = 120 |
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# |
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innodb_max_dirty_pages_pct = 90 |
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# where you replace <host>, <user>, <password> by quoted strings and |
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innodb_read_io_threads = 1 |
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# <port> by the master's port number (3306 by default). |
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innodb_write_io_threads = 1 |
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# |
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# Example: |
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# |
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# CHANGE MASTER TO MASTER_HOST='125.564.12.1', MASTER_PORT=3306, |
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# MASTER_USER='joe', MASTER_PASSWORD='secret'; |
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# |
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# OR |
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# |
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# 2) Set the variables below. However, in case you choose this method, then |
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# start replication for the first time (even unsuccessfully, for example |
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# if you mistyped the password in master-password and the slave fails to |
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# connect), the slave will create a master.info file, and any later |
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# change in this file to the variables' values below will be ignored and |
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# overridden by the content of the master.info file, unless you shutdown |
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# the slave server, delete master.info and restart the slaver server. |
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# For that reason, you may want to leave the lines below untouched |
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# (commented) and instead use CHANGE MASTER TO (see above) |
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# |
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# required unique id between 2 and 2^32 - 1 |
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# (and different from the master) |
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# defaults to 2 if master-host is set |
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# but will not function as a slave if omitted |
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#server-id = 2 |
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# |
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# The replication master for this slave - required |
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#master-host = <hostname> |
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# |
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# The username the slave will use for authentication when connecting |
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# to the master - required |
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#master-user = <username> |
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# |
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# The password the slave will authenticate with when connecting to |
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# the master - required |
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#master-password = <password> |
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# |
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# The port the master is listening on. |
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# optional - defaults to 3306 |
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#master-port = <port> |
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# |
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# binary logging - not required for slaves, but recommended |
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#log-bin=mysql-bin |
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# Uncomment the following if you are using InnoDB tables |
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#innodb_data_home_dir = /usr/local/mysql/data |
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#innodb_data_file_path = ibdata1:10M:autoextend |
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#innodb_log_group_home_dir = /usr/local/mysql/data |
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# You can set .._buffer_pool_size up to 50 - 80 % |
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# of RAM but beware of setting memory usage too high |
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#innodb_buffer_pool_size = 256M |
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#innodb_additional_mem_pool_size = 20M |
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# Set .._log_file_size to 25 % of buffer pool size |
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#innodb_log_file_size = 64M |
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#innodb_log_buffer_size = 8M |
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#innodb_flush_log_at_trx_commit = 1 |
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#innodb_lock_wait_timeout = 50 |
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[mysqldump] |
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[mysqldump] |
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quick |
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quick |
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@ -137,14 +57,12 @@ max_allowed_packet = 16M |
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[mysql] |
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[mysql] |
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no-auto-rehash |
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no-auto-rehash |
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# Remove the next comment character if you are not familiar with SQL |
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#safe-updates |
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[myisamchk] |
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[myisamchk] |
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key_buffer_size = 128M |
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key_buffer_size = 20M |
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sort_buffer_size = 128M |
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sort_buffer_size = 20M |
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read_buffer = 2M |
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read_buffer = 2M |
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write_buffer = 2M |
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write_buffer = 2M |
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[mysqlhotcopy] |
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[mysqlhotcopy] |
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interactive-timeout |
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interactive-timeout |