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Detailed configuration file of MySQLCluster (config. ini)

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  1. ######################################## ###################################
  2. # MySQL CLuster configuration file
  3. # With [!] The parameter is described in detail. We recommend that you refer to the official description.
  4. # With [!] When setting this parameter, you should read the official description in detail.
  5. # For details about how to configure the SCI connection mode, refer to the official description.
  6. # Official description: http://dev.mysql.com/doc/refman/5.1/zh/ndbcluster.html
  7. ######################################## ###################################
  9. ######################################## ###################################
  10. # Define MySQL Cluster TCP/IP connection
  11. # TCP/IP is the default transmission protocol used by the MySQL cluster to establish connections. Normally, no connection is required.
  12. # * You can use the [tcp default] definition.
  13. ######################################## ###################################
  14. [Tcp default]
  15. # [TCP]
  17. # [!] TCP transmission Cache
  18. # The default value is 256KB.
  19. SendBufferMemory = 256 k
  21. # [!] Message ID transmitted over the network.
  22. # This feature is disabled by default. (value: Y/N or 1/0)
  23. # SendSignalId = 0
  25. # [!] Enabling this parameter will calculate the checksum for all parameters before all messages are placed in the sending buffer.
  26. # This feature is disabled by default. (value: Y/N or 1/0)
  27. # Checksum = 0
  29. # Specify the buffer size used to receive data from the TCP/IP Socket.
  30. # You almost do not need to change the default value of this parameter. The default value is 64 KB.
  31. ReceiveBufferMemory = 64 k
  33. ######################################## ###################################
  34. # Define a Management Server (MGM)
  35. #
  36. # Used to configure and manage server behavior. The following parameters can be ignored. If so, the default value is used.
  37. # If ExecuteOnComputer or HostName is not defined, it is specified as localhost
  38. # * You can use [NDB_MGMD DEFAULT] to define the DEFAULT behavior of multiple management nodes.
  39. ######################################## ###################################
  40. [NDB_MGMD DEFAULT]
  41. [NDB_MGMD]
  43. # Unique ID of a node in the cluster. value range: 1 ~ 63
  44. Id = 1
  46. # Specify the node host name or IP address
  47. HostName = 192.168.1.100
  49. # Reference one of the computers defined in [COMPUTER]
  50. # ExecuteOnComputer =
  52. # Manage the server listening port (default value: 2202)
  53. PortNumber = 2202
  55. # Node log Source Method
  56. # The following values are recommended:
  57. #1. CONSOLE
  58. # Output logs to the standard output device (stdout ).
  59. #2. SYSLOG: facility = syslog
  60. # Send the log to the syslog (System Log) soft device. Possible values:
  61. # Auth, authpriv, cron, daemon, ftp, kern, lpr, mail, news, syslog
  62. #, User, uucp, local0, local12 ~ 7
  63. #3. FILE: filename =/var/log/mgmd. log, maxsize = 1000000, maxfiles = 6
  64. # Output logs to files. You can specify the following values:
  65. # Filename: name of the log file.
  66. # Maxsize: the maximum size of a log file. When the size is greater than this size, a new log file is automatically created.
  67. # Maxfiles: Maximum number of log files
  68. LogDestination = FILE: filename =/var/log/mgmd. log
  70. # Specify which node plays the decision role. Only MGM nodes and SQL nodes can be used. (default value: 1)
  71. # Generally, set the value to 1, set all SQL nodes to 0, and use the MGM server as the Decision-Making Program.
  72. # One of the following values is recommended:
  73. #0: this node will never be used for decision-making.
  74. #1: The node has a high priority.
  75. #2: The node has a low limit.
  76. ArbitrationRank = 1
  78. # Specify the latency of the Management Server for decision-making requests, in milliseconds. The default value is 0.
  79. # Generally, you do not need to change it.
  80. ArbitrationDelay = 0
  82. # Save the location of the output file of the management server, including the log, process output file, and pid file of the program
  83. # You can set the FILE parameter of LogDestination to overwrite a log FILE.
  84. DataDir =/var/lib/mysql-cluster
  86. ######################################## ###################################
  87. # Define the DEFAULT behavior of data nodes (ndbd default)
  88. # NoOfReplicas is a required Parameter
  89. ######################################## ###################################
  90. [Ndbd default]
  92. # Define the number of copies for each table in the cluster, and specify the node group size.
  93. # A node group is a set of nodes that save the same information.
  94. # Generally, you do not need to specify a value for this parameter.
  95. # NoOfReplicas has no default value. The maximum value is 4.
  96. NoOfReplicas = 1
  98. ######################################## ###################################
  99. # Define a data node (NDBD)
  100. #
  101. # Used to configure the behavior of data nodes.
  102. # ExecuteOnComputer or HostName is a required parameter.
  103. # For various parameters, the suffix k, M, or G can be used to specify the unit.
  104. ######################################## ###################################
  105. [NDBD]
  107. # When starting a node, you can assign an id (that is, a data node id) in the command line, or in the configuration file.
  108. Id = 11
  110. # Specify the node host name or IP address
  111. HostName = 192.168.1.101
  113. # Reference one of the computers defined in [COMPUTER]
  114. # ExecuteOnComputer =
  116. # Specify the directory for storing trace files, log files, pid files, and error logs.
  117. DataDir =/var/lib/mysql-cluster
  119. # This parameter specifies all files, REDO logs, UNDO logs, and data file directories created for metadata.
  120. # Note: The directory must exist before the ndbd process starts.
  121. # FileSystemPath =
  123. # Specifies the directory for storing backups. The default value is {FileSystemPath}/BACKUP.
  124. # BackupDataDir =
  126. # Specify the data memory. The default value is 80 MB and the minimum value is 1 MB.
  127. DataMemory = 80 M
  129. # Specify the index memory. The default value is 18 MB and the minimum value is 1 MB.
  130. IndexMemory = 18 M
  132. # [!] Used to set the number of possible concurrent transactions in the node. The default value is 4096.
  133. # Parameters must be set to the same value for all nodes.
  134. # MaxNoOfConcurrentTransactions = 4096
  136. # [!] Set the number of records that can appear in the update phase or be locked at the same time. The default value is 32768.
  137. #
  138. # MaxNoOfConcurrentOperations = 32768
  140. # [!] By default, this parameter is calculated based on 1.1 * MaxNoOfConcurrentOperations,
  141. # It is suitable for systems that have many concurrent transactions but do not have any serious transactions.
  142. # If you need to handle extra-large transactions at a certain time and there are many nodes,
  143. # It is best to specify this parameter to overwrite the default value
  144. # MaxNoOfLocalOperations =
  146. # [!] The default value of this parameter is 8192.
  147. # Only when the unique hash index is required to perform extremely high parallel operations in rare cases,
  148. # It is necessary to increase the value.
  149. # If you are sure that the cluster does not require high parallel operations, you can use a smaller value and save memory.
  150. # MaxNoOfConcurrentIndexOperations = 8192
  152. # [!] The default value is 4000, which is sufficient for most cases.
  153. # In some cases, if you think that the requirements for parallel operations in the cluster are not high, you can even lower it.
  154. # MaxNoOfFiredTriggers = 4000
  156. # [!] The memory affected by this parameter is used to track the operations performed when updating the index table and reading the unique index.
  157. # This memory is used to save key and column information about such operations.
  158. # You almost do not need to change the default value of this parameter.
  159. # TransactionBufferMemory = 1 M
  161. # [!] This parameter controls the number of parallel scans that can be performed in the cluster.
  162. # The default value is 256 and the maximum value is 500.
  163. # Maxnoofconcurrentscradi= 256
  165. # [!] If many scans are not completely parallel, specify the number of local scan records.
  166. # MaxNoOfLocalScans =
  168. # [!] This parameter is used to calculate the number of locked records.
  169. # This type of record is required to process many concurrent scan operations.
  170. # The default value is 64. This value is closely related to the ScanBatchSize defined in the SQL node.
  171. # BatchSizePerLocalScan =
  173. # [!] The internal buffer used to transmit messages between a single node and a node.
  174. # Although it almost does not need to be changed, it is still configurable. By default, it is set to 1 MB.
  175. # LongMessageBuffer = 1 M
  177. # [!] Set the REDO log file size of the node. The default value is 8.
  178. # NoOfFragmentLogFiles = 8
  180. # [!] Set the maximum number of trace files. The default value is 25.
  181. # MaxNoOfSavedMessages = 25
  183. # [!] Set the number of attributes that can be defined in the cluster. The default value is 1000 and the minimum value is 32.
  184. # Maxnoofattribuckets = 1000
  186. # [!] Sets the maximum number of table objects in the cluster. The default value is 128, the minimum value is 8, and the maximum value is 1600.
  187. # MaxNoOfTables = 128
  189. # [!] The default value is 128.
  190. # MaxNoOfOrderedIndexes = 128
  192. # [!] The default value of this parameter is 64.
  193. # MaxNoOfUniqueHashIndexes = 64
  195. # [!] This parameter is used to set the maximum number of triggers in the cluster.
  196. # MaxNoOfTriggers = 768
  198. # For Many operating systems, the process can be locked in the memory to avoid switching with the disk.
  199. # Use it to ensure the real-time features of the cluster.
  200. # This feature is disabled by default (values: Y/N or 1/0)
  201. # LockPagesInMainMemory = 0
  203. # When an error occurs, this parameter specifies whether the NDBD process exits or automatically restarts.
  204. # This feature is enabled by default (values: Y/N or 1/0)
  205. # StopOnError = 1
  207. # [!] The specified cluster is "no disk ".
  208. # This feature is disabled by default (values: Y/N or 1/0)
  209. # Diskless = 0
  211. # [!] This feature can be accessed only when it is compiled as a debug version.
  212. # This feature is disabled by default.
  213. # RestartOnErrorInsert = 0
  215. # [!] Specifies the interval between monitoring thread checks. This parameter is in milliseconds.
  216. # The default value is 4000 milliseconds.
  217. # Timebetweenwatchdogcheck= 4000
  219. # [!] This parameter specifies the time when the cluster waits for all storage nodes to appear before the cluster initialization subroutine is called.
  220. # The default value is 30000 milliseconds (0 indicates infinite timeout)
  221. # StartPartialTimeout = 30000
  223. # [!] If the cluster is ready for startup but may still be isolated, the cluster will wait until the timeout period ends.
  224. # The default value is 60000 milliseconds.
  225. # StartPartitionedTimeout = 60000
  227. # [!] If the data node does not complete its startup sequence within the time specified by this parameter,
  228. # Node startup will fail. If this parameter is set to 0, data node timeout is not used.
  229. # The default value is 60000 milliseconds.
  230. # StartFailureTimeout = 60000
  232. # [!] Interval at which each data node sends a heartbeat signal to the SQL node.
  233. # The default value is 1500 milliseconds.
  234. # HeartbeatIntervalDbDb = 1500
  236. # [!] The default value is 1500 Ms.
  237. # HeartbeatIntervalDbApi = 1500
  239. # [!] The default value is 20.
  240. # TimeBetweenLocalCheckpoints = 20
  242. # [!] This parameter defines the interval between global checkpoint operations.
  243. # The default value is 2000 milliseconds.
  244. # TimeBetweenGlobalCheckpoints = 2000
  246. # [!] The default value is 1000 ms.
  247. # TimeBetweenInactiveTransactionAbortCheck = 1000
  249. # [!] If the transaction does not execute any query at present, it waits for further user input.
  250. # This parameter indicates the maximum waiting time before the transaction is abandoned.
  251. # The default value is 0.
  252. # TransactionInactiveTimeout = 0
  254. # [!] The timeout parameter specifies the time for the Transaction Coordinator to wait for another node to execute the query before the transaction is abandoned.
  255. # TransactionDeadlockDetectionTimeout = 1200
  257. # [!] This parameter specifies the speed at which local checkpoint operations are performed,
  258. # It Can Be Used with NoOfFragmentLogFiles, DataMemory, and IndexMemory.
  259. # The default value is 40 (mb data page per second)
  260. # NoOfDiskPagesToDiskAfterRestartTUP = 40
  262. # The unit used by this parameter is the same as that used by NoOfDiskPagesToDiskAfterRestartTUP.
  263. # The operation method is similar, but the speed of writing index pages from the index memory is limited.
  264. # The default value of this parameter is 20 index memory pages per second (mb per second)
  265. # NoOfDiskPagesToDiskAfterRestartACC = 20
  267. # [!] This parameter involves pages written from the data memory.
  268. # The default value is 40 (3.2MB per second)
  269. # NoOfDiskPagesToDiskDuringRestartTUP = 40
  271. # [!] The default value of this parameter is 20 (1.6MB per second)
  272. # NoOfDiskPagesToDiskDuringRestartACC = 20
  274. # [!] Specifies the time for the data node to wait for the decision-making program to respond to the decision message.
  275. # The default value is 1000 milliseconds.
  276. # ArbitrationTimeout = 1000
  278. # [!] Specify the size of the UNDO index buffer.
  279. # The default value is 2 MB and the minimum value is 1 MB.
  280. # UndoIndexBuffer = 2 M
  282. # [!] Specify the size of the UNDO data buffer.
  283. # The default value is 16 MB and the minimum value is 1 MB.
  284. # UndoDataBuffer = 16 M
  286. # [!] Specifies the size of the REDO data buffer.
  287. # The default value is 8 MB and the minimum value is 1 MB.
  288. # RedoBuffer = 8 M
  290. # Log Level, used for events generated during process startup.
  291. # The default value is 1.
  292. # LogLevelStartup = 1
  294. # Log Level, used as an event generated when the node properly closes the process component.
  295. # The default value is 0.
  296. # LogLevelShutdown = 0
  298. # Log Level, used to count events, such as the number of reads by the primary key method, number of updates, number of inserts,
  299. # Information related to buffer usage.
  300. # The default value is 0.
  301. # LogLevelStatistic = 0
  303. # Log Level, used for events generated by local and global checkpoint operations.
  304. # The default value is 0.
  305. # LogLevelCheckpoint = 0
  307. # Log Level, used for events generated during node restart.
  308. # The default value is 0.
  309. # LogLevelNodeRestart = 0
  311. # Log Level, used for events generated by connections between cluster nodes.
  312. # The default value is 0.
  313. # LogLevelConnection = 0
  315. # Log Level, used for events generated by errors and warnings throughout the cluster.
  316. # This type of error will not cause any node failure. It is still worth recording.
  317. # The default value is 0.
  318. # LogLevelError = 0
  320. # Log Level, used to generate events for general cluster status information.
  321. # The default value is 0.
  322. # LogLevelInfo = 0
  324. # [!] Specifies the size of the Data Backup buffer.
  325. # The default value is 2 MB.
  326. # BackupDataBufferSize = 2 M
  328. # [!] Specify the size of the log backup buffer.
  329. # The default value is 2 MB.
  330. # BackupLogBufferSize = 2 M
  332. # This parameter is the sum of BackupDataBufferSize and BackupLogBufferSize.
  333. # The default value is 2 MB + 2 MB = 4 MB.
  334. # BackupMemory = 4 M
  336. # This parameter specifies the size of messages written to the disk by backup log buffering and backup data buffering.
  337. # The default value is 32 KB.
  338. # BackupWriteSize = 32 k
  340. ######################################## ###################################
  341. # Define MySQL Server (MYSQLD)
  342. #
  343. # Define the behavior of a MySQL Server (SQL node) used to access cluster data
  344. # * You can use [NDB_MGMD DEFAULT] to define the DEFAULT behavior of multiple management nodes.
  345. ######################################## ###################################
  346. # [Mysqld default]
  347. [MYSQLD]
  349. # Unique ID of a node in the cluster. value range: 1 ~ 63
  350. Id = 21
  352. # Specify the node host name or IP address
  353. HostName = 192.168.1.102
  355. # Reference one of the computers defined in [COMPUTER]
  356. # ExecuteOnComputer =
  358. # For normal configuration, use the Management Server as the Decision-Making Program.
  359. # Set its ArbitrationRank to 1 (default ),
  360. # Set ArbitrationRank of all SQL nodes to 0.
  361. ArbitrationRank = 0
  363. # Specify the latency of the Management Server for decision-making requests, in milliseconds. The default value is 0.
  364. # Generally, you do not need to change it.
  365. ArbitrationDelay = 0
  367. # [!] This parameter is in bytes and the default value is 32 KB.
  368. # BatchByteSize = 32 k
  370. # [!] This parameter is in bytes. The default value is 64 and the maximum value is 992.
  371. # BatchSize = 64
  373. # [!] Specify the size of each batch of data sent from each data node.
  374. # The default value is 256KB, and the maximum value is 16 MB.
  375. # MaxScanBatchSize = 256 k

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