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  1. # Other default tuning values
  2. # MySQL Server Instance Configuration File
  3. # ----------------------------------------------------------------------
  4. # Generated by the MySQL Server Instance Configuration Wizard
  5. #
  6. #
  7. # Installation Instructions
  8. # ----------------------------------------------------------------------
  9. #
  10. # On Linux you can copy this file to /etc/my.cnf to set global options,
  11. # mysql-data-dir/my.cnf to set server-specific options
  12. # (@localstatedir@ for this installation) or to
  13. # ~/.my.cnf to set user-specific options.
  14. #
  15. # On Windows you should keep this file in the installation directory
  16. # of your server (e.g. C:\Program Files\MySQL\MySQL Server X.Y). To
  17. # make sure the server reads the config file use the startup option
  18. # "--defaults-file".
  19. #
  20. # To run the server from the command line, execute this in a
  21. # command line shell, e.g.
  22. # mysqld --defaults-file="C:\Program Files\MySQL\MySQL Server X.Y\my.ini"
  23. #
  24. # To install the server as a Windows service manually, execute this in a
  25. # command line shell, e.g.
  26. # mysqld --install MySQLXY --defaults-file="C:\Program Files\MySQL\MySQL Server X.Y\my.ini"
  27. #
  28. # And then execute this in a command line shell to start the server, e.g.
  29. # net start MySQLXY
  30. #
  31. #
  32. # Guidelines for editing this file
  33. # ----------------------------------------------------------------------
  34. #
  35. # In this file, you can use all long options that the program supports.
  36. # If you want to know the options a program supports, start the program
  37. # with the "--help" option.
  38. #
  39. # More detailed information about the individual options can also be
  40. # found in the manual.
  41. #
  42. # For advice on how to change settings please see
  43. # https://dev.mysql.com/doc/refman/8.0/en/server-configuration-defaults.html
  44. #
  45. #
  46. # CLIENT SECTION
  47. # ----------------------------------------------------------------------
  48. #
  49. # The following options will be read by MySQL client applications.
  50. # Note that only client applications shipped by MySQL are guaranteed
  51. # to read this section. If you want your own MySQL client program to
  52. # honor these values, you need to specify it as an option during the
  53. # MySQL client library initialization.
  54. #
  55. [client]
  56.  
  57. # pipe=
  58.  
  59. # socket=MYSQL
  60.  
  61. port=3306
  62.  
  63. [mysql]
  64. no-beep
  65.  
  66. # default-character-set=
  67.  
  68. # SERVER SECTION
  69. # ----------------------------------------------------------------------
  70. #
  71. # The following options will be read by the MySQL Server. Make sure that
  72. # you have installed the server correctly (see above) so it reads this
  73. # file.
  74. #
  75. # server_type=1
  76. [mysqld]
  77.  
  78. # The next three options are mutually exclusive to SERVER_PORT below.
  79. # skip-networking
  80. # enable-named-pipe
  81. # shared-memory
  82.  
  83. # shared-memory-base-name=MYSQL
  84.  
  85. # The Pipe the MySQL Server will use
  86. # socket=MYSQL
  87.  
  88. # The TCP/IP Port the MySQL Server will listen on
  89. port=3306
  90.  
  91. # Path to installation directory. All paths are usually resolved relative to this.
  92. # basedir="C:/Program Files/MySQL/MySQL Server 8.0/"
  93.  
  94. # Path to the database root
  95. datadir=C:/ProgramData/MySQL/MySQL Server 8.0/Data
  96.  
  97. # The default character set that will be used when a new schema or table is
  98. # created and no character set is defined
  99. # character-set-server=
  100.  
  101. # The default authentication plugin to be used when connecting to the server
  102. default_authentication_plugin=caching_sha2_password
  103.  
  104. # The default storage engine that will be used when create new tables when
  105. default-storage-engine=INNODB
  106.  
  107. # Set the SQL mode to strict
  108. sql-mode="STRICT_TRANS_TABLES,NO_ENGINE_SUBSTITUTION"
  109.  
  110. # General and Slow logging.
  111. log-output=FILE
  112.  
  113. general-log=1
  114.  
  115. general_log_file="NEWAPPRVDB01.log"
  116.  
  117. slow-query-log=1
  118.  
  119. slow_query_log_file="NEWAPPRVDB01-slow.log"
  120.  
  121. long_query_time=10
  122.  
  123. # Error Logging.
  124. log-error="NEWAPPRVDB01.err"
  125.  
  126. # ***** Group Replication Related *****
  127. # Specifies the base name to use for binary log files. With binary logging
  128. # enabled, the server logs all statements that change data to the binary
  129. # log, which is used for backup and replication.
  130. log-bin="NEWAPPRVDB01-bin"
  131.  
  132. # ***** Group Replication Related *****
  133. # Sets the binary logging format, and can be any one of STATEMENT, ROW,
  134. # or MIXED. ROW is suggested for Group Replication.
  135. binlog_format=ROW
  136.  
  137. # ***** Group Replication Related *****
  138. # Causes the master to write a checksum for each event in the binary log.
  139. # binlog_checksum supports the values NONE (disabled) and CRC32.
  140. # The default is CRC32. When disabled (value NONE), the server verifies
  141. # that it is writing only complete events to the binary log by writing
  142. # and checking the event length (rather than a checksum) for each event.
  143. # NONE must be used with Group Replication.
  144. binlog_checksum=NONE
  145.  
  146. # ***** Group Replication Related *****
  147. # The base name for the relay log. The server creates relay log files in
  148. # sequence by adding a numeric suffix to the base name. If you specify this
  149. # option, the value specified is also used as the base name for the relay log
  150. # index file. Relay logs increase speed by using load-balancing between disks.
  151. relay_log="NEWAPPRVDB01-relay"
  152.  
  153. # ***** Group Replication Related *****
  154. # Specifies the server ID. For servers that are used in a replication topology,
  155. # you must specify a unique server ID for each replication server, in the
  156. # range from 1 to 2^32 − 1. “Unique” means that each ID must be different
  157. # from every other ID in use by any other replication master or slave.
  158. server-id=1
  159.  
  160. # ***** Group Replication Related *****
  161. # The host name or IP address of the slave to be reported to the master
  162. # during slave registration. This value appears in the output of SHOW SLAVE HOSTS
  163. # on the master server. Leave the value unset if you do not want the slave to
  164. # register itself with the master.
  165. report_host=10.10.11.51
  166.  
  167. # ***** Group Replication Related *****
  168. # The TCP/IP port number for connecting to the slave, to be reported to the master during
  169. # slave registration. Set this only if the slave is listening on a nondefault port or if
  170. # you have a special tunnel from the master or other clients to the slave.
  171. report_port=3306
  172.  
  173. # ***** Group Replication Related *****
  174. # This option specifies whether global transaction identifiers (GTIDs) are
  175. # used to identify transactions. ON must be used with Group Replication.
  176. gtid_mode=ON
  177.  
  178. # ***** Group Replication Related *****
  179. # When enabled, the server enforces GTID consistency by allowing execution of
  180. # only statements that can be safely logged using a GTID. You must set this
  181. # option to ON before enabling GTID based replication.
  182. enforce_gtid_consistency=ON
  183.  
  184. # ***** Group Replication Related *****
  185. # Whether updates received by a slave server from a master server should be
  186. # logged to the slave's own binary log. Binary logging must be enabled on
  187. # the slave for this variable to have any effect. ON must be used with
  188. # Group Replication.
  189. log_slave_updates=ON
  190.  
  191. # ***** Group Replication Related *****
  192. # Determines whether the slave server logs master status and connection information
  193. # to an InnoDB table in the mysql database, or to a file in the data directory.
  194. # The TABLE setting is required when multiple replication channels are configured.
  195. master_info_repository=TABLE
  196.  
  197. # ***** Group Replication Related *****
  198. # Determines whether the slave server logs its position in the relay logs to an InnoDB
  199. # table in the mysql database, or to a file in the data directory. The TABLE setting is
  200. # required when multiple replication channels are configured.
  201. relay_log_info_repository=TABLE
  202.  
  203. # ***** Group Replication Related *****
  204. # Defines the algorithm used to hash the writes extracted during a transaction. If you
  205. # are using Group Replication, this variable must be set to XXHASH64 because the process
  206. # of extracting the writes from a transaction is required for conflict detection on all
  207. # group members.
  208. transaction_write_set_extraction=XXHASH64
  209.  
  210. # NOTE: Modify this value after Server initialization won't take effect.
  211. lower_case_table_names=1
  212.  
  213. # Secure File Priv.
  214. secure-file-priv="C:/ProgramData/MySQL/MySQL Server 8.0/Uploads"
  215.  
  216. # The maximum amount of concurrent sessions the MySQL server will
  217. # allow. One of these connections will be reserved for a user with
  218. # SUPER privileges to allow the administrator to login even if the
  219. # connection limit has been reached.
  220. max_connections=151
  221.  
  222. # The number of open tables for all threads. Increasing this value
  223. # increases the number of file descriptors that mysqld requires.
  224. # Therefore you have to make sure to set the amount of open files
  225. # allowed to at least 4096 in the variable "open-files-limit" in
  226. # section [mysqld_safe]
  227. table_open_cache=2000
  228.  
  229. # Maximum size for internal (in-memory) temporary tables. If a table
  230. # grows larger than this value, it is automatically converted to disk
  231. # based table This limitation is for a single table. There can be many
  232. # of them.
  233. tmp_table_size=12G
  234.  
  235. # How many threads we should keep in a cache for reuse. When a client
  236. # disconnects, the client's threads are put in the cache if there aren't
  237. # more than thread_cache_size threads from before. This greatly reduces
  238. # the amount of thread creations needed if you have a lot of new
  239. # connections. (Normally this doesn't give a notable performance
  240. # improvement if you have a good thread implementation.)
  241. thread_cache_size=10
  242.  
  243. #*** MyISAM Specific options
  244. # The maximum size of the temporary file MySQL is allowed to use while
  245. # recreating the index (during REPAIR, ALTER TABLE or LOAD DATA INFILE.
  246. # If the file-size would be bigger than this, the index will be created
  247. # through the key cache (which is slower).
  248. myisam_max_sort_file_size=100G
  249.  
  250. # If the temporary file used for fast index creation would be bigger
  251. # than using the key cache by the amount specified here, then prefer the
  252. # key cache method. This is mainly used to force long character keys in
  253. # large tables to use the slower key cache method to create the index.
  254. myisam_sort_buffer_size=23G
  255.  
  256. # Size of the Key Buffer, used to cache index blocks for MyISAM tables.
  257. # Do not set it larger than 30% of your available memory, as some memory
  258. # is also required by the OS to cache rows. Even if you're not using
  259. # MyISAM tables, you should still set it to 8-64M as it will also be
  260. # used for internal temporary disk tables.
  261. key_buffer_size=21M
  262.  
  263. # Size of the buffer used for doing full table scans of MyISAM tables.
  264. # Allocated per thread, if a full scan is needed.
  265. read_buffer_size=64K
  266.  
  267. read_rnd_buffer_size=256K
  268.  
  269. #*** INNODB Specific options ***
  270. # innodb_data_home_dir=
  271.  
  272. # Use this option if you have a MySQL server with InnoDB support enabled
  273. # but you do not plan to use it. This will save memory and disk space
  274. # and speed up some things.
  275. # skip-innodb
  276.  
  277. # If set to 1, InnoDB will flush (fsync) the transaction logs to the
  278. # disk at each commit, which offers full ACID behavior. If you are
  279. # willing to compromise this safety, and you are running small
  280. # transactions, you may set this to 0 or 2 to reduce disk I/O to the
  281. # logs. Value 0 means that the log is only written to the log file and
  282. # the log file flushed to disk approximately once per second. Value 2
  283. # means the log is written to the log file at each commit, but the log
  284. # file is only flushed to disk approximately once per second.
  285. innodb_flush_log_at_trx_commit=1
  286.  
  287. # The size of the buffer InnoDB uses for buffering log data. As soon as
  288. # it is full, InnoDB will have to flush it to disk. As it is flushed
  289. # once per second anyway, it does not make sense to have it very large
  290. # (even with long transactions).
  291. innodb_log_buffer_size=32M
  292.  
  293. # InnoDB, unlike MyISAM, uses a buffer pool to cache both indexes and
  294. # row data. The bigger you set this the less disk I/O is needed to
  295. # access data in tables. On a dedicated database server you may set this
  296. # parameter up to 80% of the machine physical memory size. Do not set it
  297. # too large, though, because competition of the physical memory may
  298. # cause paging in the operating system. Note that on 32bit systems you
  299. # might be limited to 2-3.5G of user level memory per process, so do not
  300. # set it too high.
  301. innodb_buffer_pool_size=8M
  302.  
  303. # Size of each log file in a log group. You should set the combined size
  304. # of log files to about 25%-100% of your buffer pool size to avoid
  305. # unneeded buffer pool flush activity on log file overwrite. However,
  306. # note that a larger logfile size will increase the time needed for the
  307. # recovery process.
  308. innodb_log_file_size=48M
  309.  
  310. # Number of threads allowed inside the InnoDB kernel. The optimal value
  311. # depends highly on the application, hardware as well as the OS
  312. # scheduler properties. A too high value may lead to thread thrashing.
  313. innodb_thread_concurrency=17
  314.  
  315. # The increment size (in MB) for extending the size of an auto-extend InnoDB system tablespace file when it becomes full.
  316. innodb_autoextend_increment=64
  317.  
  318. # The number of regions that the InnoDB buffer pool is divided into.
  319. # For systems with buffer pools in the multi-gigabyte range, dividing the buffer pool into separate instances can improve concurrency,
  320. # by reducing contention as different threads read and write to cached pages.
  321. innodb_buffer_pool_instances=8
  322.  
  323. # Determines the number of threads that can enter InnoDB concurrently.
  324. innodb_concurrency_tickets=5000
  325.  
  326. # Specifies how long in milliseconds (ms) a block inserted into the old sublist must stay there after its first access before
  327. # it can be moved to the new sublist.
  328. innodb_old_blocks_time=1000
  329.  
  330. # It specifies the maximum number of .ibd files that MySQL can keep open at one time. The minimum value is 10.
  331. innodb_open_files=300
  332.  
  333. # When this variable is enabled, InnoDB updates statistics during metadata statements.
  334. innodb_stats_on_metadata=0
  335.  
  336. # When innodb_file_per_table is enabled (the default in 5.6.6 and higher), InnoDB stores the data and indexes for each newly created table
  337. # in a separate .ibd file, rather than in the system tablespace.
  338. innodb_file_per_table=1
  339.  
  340. # Use the following list of values: 0 for crc32, 1 for strict_crc32, 2 for innodb, 3 for strict_innodb, 4 for none, 5 for strict_none.
  341. innodb_checksum_algorithm=0
  342.  
  343. # The number of outstanding connection requests MySQL can have.
  344. # This option is useful when the main MySQL thread gets many connection requests in a very short time.
  345. # It then takes some time (although very little) for the main thread to check the connection and start a new thread.
  346. # The back_log value indicates how many requests can be stacked during this short time before MySQL momentarily
  347. # stops answering new requests.
  348. # You need to increase this only if you expect a large number of connections in a short period of time.
  349. back_log=80
  350.  
  351. # If this is set to a nonzero value, all tables are closed every flush_time seconds to free up resources and
  352. # synchronize unflushed data to disk.
  353. # This option is best used only on systems with minimal resources.
  354. flush_time=0
  355.  
  356. # The minimum size of the buffer that is used for plain index scans, range index scans, and joins that do not use
  357. # indexes and thus perform full table scans.
  358. join_buffer_size=256K
  359.  
  360. # The maximum size of one packet or any generated or intermediate string, or any parameter sent by the
  361. # mysql_stmt_send_long_data() C API function.
  362. max_allowed_packet=4M
  363.  
  364. # If more than this many successive connection requests from a host are interrupted without a successful connection,
  365. # the server blocks that host from performing further connections.
  366. max_connect_errors=100
  367.  
  368. # Changes the number of file descriptors available to mysqld.
  369. # You should try increasing the value of this option if mysqld gives you the error "Too many open files".
  370. open_files_limit=4161
  371.  
  372. # If you see many sort_merge_passes per second in SHOW GLOBAL STATUS output, you can consider increasing the
  373. # sort_buffer_size value to speed up ORDER BY or GROUP BY operations that cannot be improved with query optimization
  374. # or improved indexing.
  375. sort_buffer_size=256K
  376.  
  377. # The number of table definitions (from .frm files) that can be stored in the definition cache.
  378. # If you use a large number of tables, you can create a large table definition cache to speed up opening of tables.
  379. # The table definition cache takes less space and does not use file descriptors, unlike the normal table cache.
  380. # The minimum and default values are both 400.
  381. table_definition_cache=1400
  382.  
  383. # Specify the maximum size of a row-based binary log event, in bytes.
  384. # Rows are grouped into events smaller than this size if possible. The value should be a multiple of 256.
  385. binlog_row_event_max_size=8K
  386.  
  387. # If the value of this variable is greater than 0, a replication slave synchronizes its master.info file to disk.
  388. # (using fdatasync()) after every sync_master_info events.
  389. sync_master_info=10000
  390.  
  391. # If the value of this variable is greater than 0, the MySQL server synchronizes its relay log to disk.
  392. # (using fdatasync()) after every sync_relay_log writes to the relay log.
  393. sync_relay_log=10000
  394.  
  395. # If the value of this variable is greater than 0, a replication slave synchronizes its relay-log.info file to disk.
  396. # (using fdatasync()) after every sync_relay_log_info transactions.
  397. sync_relay_log_info=10000
  398.  
  399. # Load mysql plugins at start."plugin_x ; plugin_y".
  400. # plugin_load
  401.  
  402. # The TCP/IP Port the MySQL Server X Protocol will listen on.
  403. # loose_mysqlx_port=33060
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