Mysql配置文件 16c64g优化

一.说明

以下配置适合16核64G及以上的配置，会让性能稍微提高1/3左右。

二.配置

my.cnf

1. [client]
2. port = 3306
3. socket = /usr/local/mysql/mysql.sock
4. [mysqld]
5. #基础设置
6. port = 3306
7. bind-address = 0.0.0.0
8. lower_case_table_names=1
9. character-set-server=utf8mb4
10. default-storage-engine=innoDB
11. basedir=/usr/local/mysql
12. datadir=/usr/local/mysql/data
13. socket=/usr/local/mysql/mysql.sock
14. log-error=/var/log/mysql/mysql.log
15. pid-file=/usr/local/mysql/mysql.pid
16. #扩展设置
17. max_connections = 5000
18. max_connect_errors = 6000
19. connect_timeout=10
20. wait_timeout = 300
21. interactive_timeout = 300
22. back_log = 300
23. open_files_limit = 65535
24. table_open_cache = 16000
25. max_allowed_packet = 500M
26. max_heap_table_size = 64M
27. tmp_table_size = 256M
28. read_buffer_size = 8M
29. read_rnd_buffer_size = 8M
30. sort_buffer_size = 8M
31. join_buffer_size = 8M
32. key_buffer_size = 256M
33. thread_cache_size = 64
34. thread_stack = 512K
35. ft_min_word_len = 1
36. skip-external-locking
37. bulk_insert_buffer_size = 8M
38. myisam_sort_buffer_size = 32M
39. net_retry_count = 100
40. auto_increment_increment=0
41. auto_increment_offset=0
42. explicit_defaults_for_timestamp=false
43. log_bin_trust_function_creators=1
44. performance_schema= 0
45. transaction-isolation = REPEATABLE-READ
46. query_cache_size = 0
47. query_cache_type = 0
48. #binlog日志
49. log-bin=mysql-bin
50. log-bin-index=mysql-bin.index
51. server-id=1
52. max_binlog_size = 512M
53. binlog_format = MIXED
54. log_slave_updates = 0
55. expire_logs_days = 7
56. max_relay_log_size = 512M
57. binlog-ignore-db = mysql
58. binlog-ignore-db = test
59. binlog-ignore-db = information_schema
60. binlog-ignore-db = performance_schema
61. replicate-ignore-db = mysql
62. replicate-ignore-db = test
63. replicate-ignore-db = information_schema
64. replicate-ignore-db = performance_schema
65. binlog_cache_size = 20M
66. max_binlog_cache_size = 15M
67. #慢查询
68. slow_query_log=1
69. long_query_time=2
70. log-queries-not-using-indexes = TRUE
71. log_throttle_queries_not_using_indexes=1000
72. min_examined_row_limit=1000
73. log-slow-admin-statements = TRUE
74. log-slow-admin-statements = TRUE
75. #innodb引擎
76. innodb_file_per_table = 1
77. innodb_open_files = 1000
78. innodb_buffer_pool_size = 48G
79. innodb_thread_concurrency = 0
80. innodb_purge_threads = 1
81. innodb_flush_log_at_trx_commit = 1
82. innodb_log_buffer_size = 128M
83. innodb_log_file_size = 128M
84. innodb_max_dirty_pages_pct = 85
85. innodb_lock_wait_timeout = 120
86. innodb_flush_method=O_DIRECT
87. innodb_data_file_path = ibdata1:10M:autoextend
88. innodb_autoinc_lock_mode = 2
89. innodb_buffer_pool_dump_at_shutdown = 1
90. innodb_buffer_pool_load_at_startup = 1
91. innodb_support_xa =
92. 0innodb_status_file = 1