my.cnf 3.9 KB

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  1. #
  2. # The MySQL database server configuration file.
  3. #
  4. # You can copy this to one of:
  5. # - "/etc/mysql/my.cnf" to set global options,
  6. # - "~/.my.cnf" to set user-specific options.
  7. #
  8. # One can use all long options that the program supports.
  9. # Run program with --help to get a list of available options and with
  10. # --print-defaults to see which it would actually understand and use.
  11. #
  12. # For explanations see
  13. # http://dev.mysql.com/doc/mysql/en/server-system-variables.html
  14. # This will be passed to all mysql clients
  15. # It has been reported that passwords should be enclosed with ticks/quotes
  16. # escpecially if they contain "#" chars...
  17. # Remember to edit /etc/mysql/debian.cnf when changing the socket location.
  18. [client]
  19. port = 3306
  20. socket = /var/run/mysqld/mysqld.sock
  21. # Here is entries for some specific programs
  22. # The following values assume you have at least 32M ram
  23. # This was formally known as [safe_mysqld]. Both versions are currently parsed.
  24. [mysqld_safe]
  25. socket = /var/run/mysqld/mysqld.sock
  26. nice = 0
  27. [mysqld]
  28. #
  29. # * Basic Settings
  30. #
  31. user = mysql
  32. pid-file = /var/run/mysqld/mysqld.pid
  33. socket = /var/run/mysqld/mysqld.sock
  34. port = 3306
  35. basedir = /usr
  36. datadir = /ssd/mysql
  37. tmpdir = /tmp
  38. lc-messages-dir = /usr/share/mysql
  39. skip-external-locking
  40. lower_case_table_names = 1
  41. character-set-server=utf8
  42. collation-server=utf8_general_ci
  43. #
  44. # Instead of skip-networking the default is now to listen only on
  45. # localhost which is more compatible and is not less secure.
  46. #bind-address = 127.0.0.1
  47. #
  48. # * Fine Tuning
  49. #
  50. key_buffer = 16M
  51. max_allowed_packet = 16M
  52. thread_stack = 256K
  53. thread_cache_size = 128
  54. max_connections = 5000
  55. back_log = 5000
  56. table_open_cache = 800
  57. table_definition_cache = 800
  58. max_heap_table_size = 128M
  59. tmp_table_size = 128M
  60. innodb_use_native_aio = 1
  61. # sync for every sec. not for every commit.
  62. innodb_flush_log_at_trx_commit = 2
  63. #
  64. # * Query Cache Configuration
  65. #
  66. query_cache_type = 0
  67. #query_cache_limit = 1M
  68. #query_cache_size = 64M
  69. #query_cache_size = 0
  70. #query_cache_min_res_unit = 1K
  71. max_prepared_stmt_count = 1048576
  72. #
  73. # * Logging and Replication
  74. #
  75. # Both location gets rotated by the cronjob.
  76. # Be aware that this log type is a performance killer.
  77. # As of 5.1 you can enable the log at runtime!
  78. #general_log_file = /var/log/mysql/mysql.log
  79. #general_log = 1
  80. #
  81. # Error logging goes to syslog due to /etc/mysql/conf.d/mysqld_safe_syslog.cnf.
  82. #
  83. # Here you can see queries with especially long duration
  84. #log_slow_queries = /var/log/mysql/mysql-slow.log
  85. #long_query_time = 2
  86. #log-queries-not-using-indexes
  87. #
  88. # The following can be used as easy to replay backup logs or for replication.
  89. # note: if you are setting up a replication slave, see README.Debian about
  90. # other settings you may need to change.
  91. #server-id = 1
  92. #log_bin = /var/log/mysql/mysql-bin.log
  93. expire_logs_days = 10
  94. max_binlog_size = 100M
  95. #binlog_do_db = include_database_name
  96. #binlog_ignore_db = include_database_name
  97. #
  98. # * InnoDB
  99. #
  100. # InnoDB is enabled by default with a 10MB datafile in /var/lib/mysql/.
  101. # Read the manual for more InnoDB related options. There are many!
  102. #
  103. # * Security Features
  104. #
  105. # Read the manual, too, if you want chroot!
  106. # chroot = /var/lib/mysql/
  107. #
  108. # For generating SSL certificates I recommend the OpenSSL GUI "tinyca".
  109. #
  110. # ssl-ca=/etc/mysql/cacert.pem
  111. # ssl-cert=/etc/mysql/server-cert.pem
  112. # ssl-key=/etc/mysql/server-key.pem
  113. [mysqldump]
  114. quick
  115. quote-names
  116. max_allowed_packet = 16M
  117. [mysql]
  118. #no-auto-rehash # faster start of mysql but no tab completition
  119. #
  120. # * IMPORTANT: Additional settings that can override those from this file!
  121. # The files must end with '.cnf', otherwise they'll be ignored.
  122. #
  123. !includedir /etc/mysql/conf.d/