MySQL中my.cnf配置文件的示例分析-创新互联

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1. [client]

2. default-character-set         = utf8mb4

3. port                          = PORT

4. socket                        = /srv/myPORT/run/mysql.sock

6. [mysqld]

7. user                            = mysql

8. port                          = PORT

9. extra-port                    = 1PORT

10. character_set_server            = utf8mb4

11. server_id                     = SERVER_ID

12. socket                        = /srv/myPORT/run/mysql.sock

13. basedir                       = /opt/percona-server

14. datadir                       = /srv/myPORT/data

15. log-error                     = /srv/myPORT/log/alert.log

16. pid-file                      = /srv/myPORT/run/mysql.pid

17. log_slave_updates             = 1

18. log-bin                       = /srv/myPORT/log/mysql-bin

19. binlog_format                 = row

20. binlog_cache_size             = 2M

21. max_binlog_cache_size         = 4G

22. max_binlog_size               = 1G

23. expire_logs_days              = 7

24. relay-log                     = /srv/myPORT/log/relay-bin

25. relay-log-info-file           = /srv/myPORT/log/relay-log.info

26. relay-log-index               = /srv/myPORT/log/relay-log.index

27. master-info-file              = /srv/myPORT/log/master.info

28. relay-log-recovery            = true

29. sync-relay-log-info           = 1

30. explicit_defaults_for_timestamp

31. key_buffer_size               = 2M

32. sort_buffer_size              = 2M

33. read_buffer_size              = 2M

34. read_rnd_buffer_size          = 16M

35. join_buffer_size              = 2M

36. thread_cache_size             = 1024

37. query_cache_size              = 1M

38. query_cache_limit             = 1M

39. query_cache_min_res_unit      = 2k

40. table_open_cache              = 2048

41. open_files_limit              = 65535

42. back_log                      = 3000

43. max_connections               = 4000

44. max_user_connections          = 2500

45. max_connect_errors            = 100

46. max_allowed_packet            = 512M

47. thread_stack                  = 192k

48. default-storage-engine        = INNODB

49. transaction_isolation         = READ-COMMITTED

50. tmp_table_size                = 16M

51. max_heap_table_size           = 64M

52. bulk_insert_buffer_size       = 64M

53. long_query_time               = 0.5

54. slow_query_log                = on

55. slow_query_log_file              = /srv/myPORT/log/slow.log

56. skip-name-resolve

57. innodb_buffer_pool_size       = 10G

58. innodb_data_file_path          = ibdata1:2G:autoextend

59. innodb_file_io_threads        = 24

60. innodb_purge_threads          = 12

61. innodb_read_io_threads        = 24

62. innodb_write_io_threads       = 24

63. innodb_thread_concurrency     = 24

64. innodb_buffer_pool_instances  = 8

65. innodb_flush_log_at_trx_commit= 1

66. innodb_log_buffer_size        = 16M

67. innodb_log_file_size          = 2G

68. innodb_log_files_in_group     = 2

69. innodb_max_dirty_pages_pct    = 75

70. innodb_lock_wait_timeout      = 50

71. innodb_file_per_table         = 1

72. thread_handling               = pool-of-threads

73. thread_pool_idle_timeout      = 180

74. thread_pool_max_threads       = 5000

75. thread_pool_size                = 24

76. thread_pool_oversubscribe     = 10

77. thread_pool_stall_limit       = 500

78. [mysqldump]

79. quick

80. max_allow_packet              = 64M

81. [mysql]

82. no-auto-rehash

83. [mysqlhotcopy]

84. interactive-timeout

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