Inside 君整理了一份最新基于 MySQL 5.6 和 5.7 的配置文件模板，基本上可以说覆盖 90% 的调优选项，用户只需根据自己的服务器配置稍作修改即可，如 InnoDB 缓冲池的大小、IO 能力（innodb_buffer_pool_size，innodb_io_capacity）。特别注意，这份配置文件不用修改，可以直接运行在 MySQL 5.6 和 5.7 的版本下，这里使用了小小的技巧，具体可看配置文件。如果配置参数存在问题，也可以及时反馈 Inside 君，我们一起成长。

    触发 Inside 君做这件事情的原因是大部分网络上的 MySQL 配置文件都非常非常古老，大多都是基于 MySQL 5.1 的版本，这导致了绝大部分 MySQL 并没有运行在最优的环境，从而导致一些错误的使用，亦或是灾难性事故的发生，比如数据丢失，主从数据不一致等。而这些问题早在 5.6 版本及以后的版本中得到了解决。

    最后，抛弃你那所谓的、陈旧的、错误的 MySQL 配置文件，面向一个崭新的高性能、高可靠、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。

    insidemysql_my.cnf：insidemysql_my.rar

    1. [client]
    2. user=david
    3. password=88888888
    5. [mysqld]
    6. ########basic settings########
    7. server-id = 11 
    8. port = 3306
    9. user = mysql
    10. bind_address = 10.166.224.32
    11. autocommit = 0
    12. character_set_server=utf8mb4
    13. skip_name_resolve = 1
    14. max_connections = 800
    15. max_connect_errors = 1000
    16. datadir = /data/mysql_data
    17. transaction_isolation = READ-COMMITTED
    18. explicit_defaults_for_timestamp = 1
    19. join_buffer_size = 134217728
    20. tmp_table_size = 67108864
    21. tmpdir = /tmp
    22. max_allowed_packet = 16777216
    23. sql_mode = "STRICT_TRANS_TABLES,NO_ENGINE_SUBSTITUTION,NO_ZERO_DATE,NO_ZERO_IN_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER"
    24. interactive_timeout = 1800
    25. wait_timeout = 1800
    26. read_buffer_size = 16777216
    27. read_rnd_buffer_size = 33554432
    28. sort_buffer_size = 33554432
    29. ########log settings########
    30. log_error = error.log
    31. slow_query_log = 1
    32. slow_query_log_file = slow.log
    33. log_queries_not_using_indexes = 1
    34. log_slow_admin_statements = 1
    35. log_slow_slave_statements = 1
    36. log_throttle_queries_not_using_indexes = 10
    37. expire_logs_days = 90
    38. long_query_time = 2
    39. min_examined_row_limit = 100
    40. ########replication settings########
    41. master_info_repository = TABLE
    42. relay_log_info_repository = TABLE
    43. log_bin = bin.log
    44. sync_binlog = 1
    45. gtid_mode = on
    46. enforce_gtid_consistency = 1
    47. log_slave_updates
    48. binlog_format = row 
    49. relay_log = relay.log
    50. relay_log_recovery = 1
    51. binlog_gtid_simple_recovery = 1
    52. slave_skip_errors = ddl_exist_errors
    53. ########innodb settings########
    54. innodb_page_size = 8192
    55. innodb_buffer_pool_size = 6G
    56. innodb_buffer_pool_instances = 8
    57. innodb_buffer_pool_load_at_startup = 1
    58. innodb_buffer_pool_dump_at_shutdown = 1
    59. innodb_lru_scan_depth = 2000
    60. innodb_lock_wait_timeout = 5
    61. innodb_io_capacity = 4000
    62. innodb_io_capacity_max = 8000
    63. innodb_flush_method = O_DIRECT
    64. innodb_file_format = Barracuda
    65. innodb_file_format_max = Barracuda
    66. innodb_log_group_home_dir = /redolog/
    67. innodb_undo_directory = /undolog/
    68. innodb_undo_logs = 128
    69. innodb_undo_tablespaces = 3
    70. innodb_flush_neighbors = 1
    71. innodb_log_file_size = 4G
    72. innodb_log_buffer_size = 16777216
    73. innodb_purge_threads = 4
    74. innodb_large_prefix = 1
    75. innodb_thread_concurrency = 64
    76. innodb_print_all_deadlocks = 1
    77. innodb_strict_mode = 1
    78. innodb_sort_buffer_size = 67108864 
    79. ########semi sync replication settings########
    80. plugin_dir=/usr/local/mysql/lib/plugin
    81. plugin_load = "rpl_semi_sync_master=semisync_master.so;rpl_semi_sync_slave=semisync_slave.so"
    82. loose_rpl_semi_sync_master_enabled = 1
    83. loose_rpl_semi_sync_slave_enabled = 1
    84. loose_rpl_semi_sync_master_timeout = 5000
    86. [mysqld-5.7]
    87. innodb_buffer_pool_dump_pct = 40
    88. innodb_page_cleaners = 4
    89. innodb_undo_log_truncate = 1
    90. innodb_max_undo_log_size = 2G
    91. innodb_purge_rseg_truncate_frequency = 128
    92. binlog_gtid_simple_recovery=1
    93. log_timestamps=system
    94. transaction_write_set_extraction=MURMUR32
    95. show_compatibility_56=on

    作者：殷建卫 链接：https://www.yuque.com/yinjianwei/vyrvkf/tb8uaw 来源：殷建卫 - 架构笔记 著作权归作者所有。商业转载请联系作者获得授权，非商业转载请注明出处。