阿里云数据库配置文件
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[client] port = 22066 socket = /usr/local/mysql/mysql.sock [mysqld] port = 22066 socket = /usr/local/mysql/mysql.sock skip-external-locking skip-name-resolve back_log = 50 max_connections = 2048 max_connect_errors = 1000 table_open_cache = 1024 open_files_limit=16384 max_allowed_packet = 16M binlog_cache_size = 1M max_heap_table_size = 64M read_buffer_size = 2M read_rnd_buffer_size = 16M sort_buffer_size = 2M join_buffer_size = 2M thread_cache_size = 64 query_cache_size = 64M query_cache_limit = 4M # HuangHai modify at 2018-06-21 #wait_timeout=28800 #interactive_timeout=28800 wait_timeout=35 interactive_timeout=35 max_heap_table_size = 2048M tmp_table_size = 2048M ft_min_word_len = 4 default-storage-engine = InnoDB thread_stack = 240K transaction_isolation = REPEATABLE-READ tmp_table_size = 512M #log-bin=mysql-bin expire_logs_days=3 #binlog_format=ROW server-id = 1 slow_query_log long_query_time = 2 log_bin_trust_function_creators=1 group_concat_max_len=200000 lower_case_table_names=1 innodb_file_per_table=1 #*** MyISAM Specific options key_buffer_size = 32M bulk_insert_buffer_size = 64M myisam_sort_buffer_size = 128M myisam_max_sort_file_size = 10G myisam_repair_threads = 1 myisam_recover_options=force,backup # *** INNODB Specific options *** innodb_open_files=1024 innodb_buffer_pool_size = 2G innodb_data_file_path = ibdata1:10M:autoextend innodb_write_io_threads = 8 innodb_read_io_threads = 8 innodb_thread_concurrency = 8 innodb_flush_log_at_trx_commit = 0 innodb_log_buffer_size = 8M innodb_log_file_size = 2048M transaction-isolation=READ-UNCOMMITTED innodb_log_files_in_group = 3 innodb_max_dirty_pages_pct = 90 innodb_lock_wait_timeout = 120 [mysqldump] quick max_allowed_packet = 16M [mysql] no-auto-rehash [myisamchk] key_buffer_size = 512M sort_buffer_size = 512M read_buffer_size = 8M write_buffer_size = 8M [mysqlhotcopy] interactive-timeout [mysqld_safe] open-files-limit = 8192
参考阅读：https://blog.csdn.net/aibisoft/article/details/22658055
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