# Example MySQL config file for medium systems. # # This is for a system with little memory (32M - 64M) where MySQL plays # an important part, or systems up to 128M where MySQL is used together with # other programs (such as a web server) # # You can copy this file to # /etc/my.cnf to set global options, # mysql-data-dir/my.cnf to set server-specific options (in this # installation this directory is /var/lib/mysql) or# ~/.my.cnf to set user-specific options. # # In this file, you can use all long options that a program supports. # If you want to know which options a program supports, run the program # with the "--help" option. # The following options will be passed to all MySQL clients [client] #password = your_password port = 3306socket = /db/mysql/mysql.sock #default-character-set=utf8 # Here follows entries for some specific programs # The MySQL server[mysqld] port = 3306datadir = /db/mysql/ socket = /db/mysql/mysql.sockskip-lockingskip-name-resolve key_buffer = 1024M max_allowed_packet = 1M max_heap_table_size=256M tmp_table_size=256M sort_buffer_size = 8M join_buffer_size=8M net_buffer_length = 8K read_buffer_size = 2M read_rnd_buffer_size = 8M bulk_insert_buffer_size=64M myisam_sort_buffer_size = 64Mskip-character-set-client-handshake init-connect='SET NAMES utf8'default-character-set=utf8 #innodb_force_recovery = 6#log=general-loglog-slow-queries=slow-loglong_query_time=1#query cache config query_cache_size = 128M query_cache_type = 1thread_cache_size = 64thread_concurrency=32#max_connnection config current values=800 add by Allen max_connections = 1200table_open_cache=1024#back_log config add by kevin sun back_log=500#record_buffer add by kevin sun record_buffer=16M #bootstrap init_file=/mysqlinit/bootstrap._sql #owner table spaceinnodb_file_per_table # Don't listen on a TCP/IP port at all. This can be a security enhancement, # if all processes that need to connect to mysqld run on the same host. # All interaction with mysqld must be made via Unix sockets or named pipes. # Note that using this option without enabling named pipes on Windows # (via the "enable-named-pipe" option) will render mysqld useless! # #skip-networking # Replication Master Server (default) # binary logging is required for replication #log-bin=mysql-bin # required unique id between 1 and 2^32 - 1 # defaults to 1 if master-host is not set # but will not as a master if omitted #server-id = 1 # Replication Slave (comment out master section to use this) # # To configure this host as a replication slave, you can choose between # two methods : # # 1) Use the CHANGE MASTER TO command (fully described in our manual) - # the syntax is: # # CHANGE MASTER TO MASTER_HOST=<host>, MASTER_PORT=<port>, # MASTER_USER=<user>, MASTER_PASSWORD=<password> ; # # where you replace <host>, <user>, <password> by quoted strings and # <port> by the master's port number (3306 by default). # # Example: # # CHANGE MASTER TO MASTER_HOST='125.564.12.1', MASTER_PORT=3306, # MASTER_USER='joe', MASTER_PASSWORD='secret'; # # OR # # 2) Set the variables below. However, in case you choose this method, then# start replication for the first time (even unsuccessfully, for example # if you mistyped the password in master-password and the slave fails to# connect), the slave will create a master.info file, and any later # change in this file to the variables' values below will be ignored and # overridden by the content of the master.info file, unless you shutdown # the slave server, delete master.info and restart the slaver server. # For that reason, you may want to leave the lines below untouched # (commented) and instead use CHANGE MASTER TO (see above) # # required unique id between 2 and 2^32 - 1 # (and different from the master) # defaults to 2 if master-host is set # but will not as a slave if omitted server-id = 2 # # The replication master for this slave - required #master-host = <hostname> # # The username the slave will use for authentication when connecting # to the master - required #master-user = <username> # # The password the slave will authenticate with when connecting to # the master - required #master-password = <password> # # The port the master is listening on. # optional - defaults to 3306 #master-port = <port> # # binary logging - not required for slaves, but recommended #log-bin=mysql-bin # Point the following paths to different dedicated disks #tmpdir = /tmp/ #log-update = /path-to-dedicated-directory/hostname # Uncomment the following if you are using InnoDB tables innodb_status_file = 0 innodb_data_home_dir = /db/mysql/ innodb_data_file_path = ibdata1:10M:autoextend innodb_log_group_home_dir = /db/mysql/ #innodb_log_arch_dir = /db/mysql/ # You can set .._buffer_pool_size up to 50 - 80 % # of RAM but beware of setting memory usage too high innodb_buffer_pool_size = 3G innodb_additional_mem_pool_size = 16M # Set .._log_file_size to 25 % of buffer pool size innodb_log_file_size = 256M innodb_log_buffer_size = 32M innodb_flush_log_at_trx_commit = 2 innodb_lock_wait_timeout = 50 [mysqldump] quick max_allowed_packet = 16M [mysql] no-auto-rehash # Remove the next comment character if you are not familiar with SQL #safe-updates [isamchk] key_buffer = 512M sort_buffer_size = 20M read_buffer = 2M write_buffer = 2M [myisamchk] key_buffer = 512M sort_buffer_size = 20M read_buffer = 2M write_buffer = 2M [mysqlhotcopy] interactive-timeout
作者:AlexYao
链接:https://www.jianshu.com/p/e38d6a83b293
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