MySQL 线上配置文件
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时间：2015年06月12日
第一个配置
[client] port = 3306 socket = /tmp/mysql.sock default-character-set = utf8 [mysqld] default-character-set = utf8 user = mysql port = 3306 socket = /tmp/mysql.sock basedir = /usr/local/mysql datadir = /data/mysql/data log-error = /data/mysql/mysql-error.log pid-file = /data/mysql/mysql.pid ft_min_word_len = 1 old-passwords = 1 log_slave_updates = 1 log-bin = /data/mysql/binlog/mysql-bin binlog_format = mixed binlog_cache_size = 4M max_binlog_cache_size = 8M max_binlog_size = 1G expire_logs_days = 90 binlog-ignore-db = mysql binlog-ignore-db = test binlog-ignore-db = information_schema key_buffer_size = 384M read_buffer_size = 4M read_rnd_buffer_size = 16M sort_buffer_size = 8M join_buffer_size = 8M thread_cache_size = 8 query_cache_size = 32M query_cache_limit = 2M query_cache_min_res_unit = 2k thread_concurrency = 8 table_cache = 614 table_open_cache = 512 open-files-limit = 10240 back_log = 600 max_connections = 5000 max_connect_errors = 6000 external-locking = FALSE max_allowed_packet = 16M default-storage-engine = MYISAM thread_stack = 256K transaction_isolation = REPEATABLE-READ tmp_table_size = 256M max_heap_table_size = 512M bulk_insert_buffer_size = 64M myisam_sort_buffer_size = 64M myisam_max_sort_file_size = 10G myisam_repair_threads = 1 myisam_recover long_query_time = 2 slow_query_log slow_query_log_file = /data/mysql/slow.log skip-locking skip-name-resolve server-id = 1 innodb_additional_mem_pool_size = 16M innodb_buffer_pool_size = 512M innodb_data_file_path = ibdata1:10M:autoextend innodb_file_io_threads = 4 innodb_thread_concurrency = 8 innodb_flush_log_at_trx_commit = 1 innodb_log_buffer_size = 16M innodb_log_file_size = 128M innodb_log_files_in_group = 3 innodb_max_dirty_pages_pct = 90 innodb_lock_wait_timeout = 120 innodb_file_per_table = 0 [mysqldump] quick max_allowed_packet = 16M [mysql] no-auto-rehash Remove the next comment character if you are not familiar with SQL safe-updates [myisamchk] key_buffer_size = 256M sort_buffer_size = 256M read_buffer = 2M write_buffer = 2M [mysqlhotcopy] interactive-timeout
第二个配置
[client] port = 5660 socket = /tmp/mysql5660.sock character_set_server = utf8 [mysqld] port = 5660 socket = /tmp/mysql5660.sock user = mysql datadir = /u2/mysql5660/data back_log = 500 #skip-networking #skip-grant-tables character_set_server = utf8 max_connections = 300 #max_user_connections = 1000 gtid_mode=on enforce-gtid-consistency=1 explicit_defaults_for_timestamp = 1 thread_handling=pool-of-threads thread_pool_oversubscribe=25 #percona #innodb_recovery_update_relay_log=1 skip_name_resolve=1 max_connect_errors = 10240 table_open_cache = 2048 max_allowed_packet = 16M binlog_cache_size = 1M max_heap_table_size = 64M read_buffer_size = 512k read_rnd_buffer_size = 16M sort_buffer_size = 512k join_buffer_size = 512k thread_cache_size = 64 thread_concurrency = 32 query_cache_size = 0 #query_cache_limit = 2M #ft_min_word_len = 4 #memlock thread_stack = 192K # READ-UNCOMMITTED, READ-COMMITTED, REPEATABLE-READ, SERIALIZABLE transaction_isolation = READ-COMMITTED tmp_table_size = 64M log-bin=/u2/mysql5660/logs/mysql-bin max_binlog_size=256M binlog_format=mixed log_slave_updates #log log_error = /u2/mysql5660/data/error.log log_warnings slow_query_log #slow_query_log=/u2/mysql5660/data/slow.log long_query_time = 1 tmpdir = /u2/mysql5660/tmp server-id = 115660 key_buffer_size = 64M bulk_insert_buffer_size = 64M myisam_sort_buffer_size = 128M myisam_max_sort_file_size = 10G myisam_repair_threads = 1 myisam-recover-options # *** INNODB Specific options *** #innodb_additional_mem_pool_size = 16M innodb_buffer_pool_size = 2G innodb_data_file_path = ibdata1:100M:autoextend innodb_data_home_dir =/u2/mysql5660/data innodb_file_per_table=1 innodb_write_io_threads = 16 innodb_read_io_threads = 16 #innodb_force_recovery=1 innodb_thread_concurrency = 0 innodb_flush_log_at_trx_commit = 0 #innodb_fast_shutdown innodb_log_buffer_size = 16M innodb_log_file_size = 256M innodb_log_files_in_group = 3 innodb_log_group_home_dir=/u2/mysql5660/data innodb_max_dirty_pages_pct = 90 innodb_flush_method=O_DIRECT innodb_lock_wait_timeout = 10 [mysqldump] quick max_allowed_packet = 16M [mysql] no-auto-rehash # Only allow UPDATEs and DELETEs that use keys. #safe-updates [myisamchk] key_buffer_size = 512M sort_buffer_size = 512M read_buffer = 8M write_buffer = 8M [mysqlhotcopy] interactive-timeout [mysqld_safe] # Increase the amount of open files allowed per process. Warning: Make # sure you have set the global system limit high enough! The high value # is required for a large number of opened tables open-files-limit = 8192
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