MySQL 5.6 与 5.7版本的最优配置模板
发布日期:2016-4-25 22:4:52
MySQL 5.6 与 5.7版本的最优配置模板 最近整理了一份最新基于MySQL 5.6与5.7的配置文件模板,基本上覆盖90%的调优选项,用户只需根据自己的服务器配置做一些修改即可,比如InnoDB缓冲池的大小、IO能力(innodb_buffer_pool_size,innodb_io_capacity)。特别需要注意的是,这份配置文件不用修改,可直接运行在MySQL 5.6与5.7的版本下,这里我使用了一些小技巧,具体可看配置文件。若配置参数存在问题,也请及时反馈给我,让我们一起成长。 我做这件事情的很大一部分原因是大多数网络上的MySQL配置文件都非常古老,很多都是基于MySQL 5.1的版本,这就导致了绝大部分MySQL并没有运行在最优的环境,导致一些错误的使用,或者是灾难性事故的发生,例如数据的丢失,主从数据不一致等等。现在这些问题早在5.6版本及以后的版本中得到了解决。 最后,请丢掉你那陈旧的、所谓的、错误的MySQL配置文件,去面向一个崭新的高可靠、高性能、高可扩展MySQL时代,你要做的就是下载这份配置文件并用于你的生产环境。参考代码如下所示: [client] user=david password=88888888 [mysqld] ########basic settings######## server-id = 11 port = 3306 user = mysql bind_address = 10.166.224.32 autocommit = 0 character_set_server=utf8mb4 skip_name_resolve = 1 max_connections = 800 max_connect_errors = 1000 datadir = /data/mysql_data transaction_isolation = READ-COMMITTED explicit_defaults_for_timestamp = 1 join_buffer_size = 134217728 tmp_table_size = 67108864 tmpdir = /tmp max_allowed_packet = 16777216 sql_mode = "STRICT_TRANS_TABLES,NO_ENGINE_SUBSTITUTION,NO_ZERO_DATE,NO_ZERO_IN_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER" interactive_timeout = 1800 wait_timeout = 1800 read_buffer_size = 16777216 read_rnd_buffer_size = 33554432 sort_buffer_size = 33554432 ########log settings######## log_error = error.log slow_query_log = 1 slow_query_log_file = slow.log log_queries_not_using_indexes = 1 log_slow_admin_statements = 1 log_slow_slave_statements = 1 log_throttle_queries_not_using_indexes = 10 expire_logs_days = 90 long_query_time = 2 min_examined_row_limit = 100 ########replication settings######## master_info_repository = TABLE relay_log_info_repository = TABLE log_bin = bin.log sync_binlog = 1 gtid_mode = on enforce_gtid_consistency = 1 log_slave_updates binlog_format = row relay_log = relay.log relay_log_recovery = 1 binlog_gtid_simple_recovery = 1 slave_skip_errors = ddl_exist_errors ########innodb settings######## innodb_page_size = 8192 innodb_buffer_pool_size = 6G innodb_buffer_pool_instances = 8 innodb_buffer_pool_load_at_startup = 1 innodb_buffer_pool_dump_at_shutdown = 1 innodb_lru_scan_depth = 2000 innodb_lock_wait_timeout = 5 innodb_io_capacity = 4000 innodb_io_capacity_max = 8000 innodb_flush_method = O_DIRECT innodb_file_format = Barracuda innodb_file_format_max = Barracuda innodb_log_group_home_dir = /redolog/ innodb_undo_directory = /undolog/ innodb_undo_logs = 128 innodb_undo_tablespaces = 3 innodb_flush_neighbors = 1 innodb_log_file_size = 4G innodb_log_buffer_size = 16777216 innodb_purge_threads = 4 innodb_large_prefix = 1 innodb_thread_concurrency = 64 innodb_print_all_deadlocks = 1 innodb_strict_mode = 1 innodb_sort_buffer_size = 67108864 ########semi sync replication settings######## plugin_dir=/usr/local/mysql/lib/plugin plugin_load = "rpl_semi_sync_master=semisync_master.so;rpl_semi_sync_slave=semisync_slave.so" loose_rpl_semi_sync_master_enabled = 1 loose_rpl_semi_sync_slave_enabled = 1 loose_rpl_semi_sync_master_timeout = 5000 [mysqld-5.7] innodb_buffer_pool_dump_pct = 40 innodb_page_cleaners = 4 innodb_undo_log_truncate = 1 innodb_max_undo_log_size = 2G innodb_purge_rseg_truncate_frequency = 128 binlog_gtid_simple_recovery=1 log_timestamps=system transaction_write_set_extraction=MURMUR32 show_compatibility_56=on
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