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MySQL 5.7 Reference Manual  /  ...  /  Options, Variables, and Parameters Added, Deprecated, or Removed in NDB 7.5

21.1.5.1 Options, Variables, and Parameters Added, Deprecated, or Removed in NDB 7.5

This section contains information about NDB configuration parameters and mysqld options and variables that have been added to, deprecated in, or removed from NDB 7.5.

Node Configuration Parameters Introduced in NDB 7.5

The following node configuration parameters have been added in NDB 7.5.

  • ApiVerbose: Enable NDB API debugging; for NDB development. Added in NDB 7.5.2.

Node Configuration Parameters Deprecated in NDB 7.5

The following node configuration parameters have been deprecated in NDB 7.5.

  • ExecuteOnComputer: String referencing an earlier defined COMPUTER. Deprecated as of NDB 7.5.0.

  • ExecuteOnComputer: String referencing an earlier defined COMPUTER. Deprecated as of NDB 7.5.0.

  • ExecuteOnComputer: String referencing an earlier defined COMPUTER. Deprecated as of NDB 7.5.0.

Node Configuration Parameters Removed in NDB 7.5

The following node configuration parameters have been removed in NDB 7.5.

  • DiskCheckpointSpeed: Bytes allowed to be written by checkpoint, per second. Removed in NDB 7.5.0.

  • DiskCheckpointSpeedInRestart: Bytes allowed to be written by checkpoint during restart, per second. Removed in NDB 7.5.0.

  • Id: Number identifying data node. Now deprecated; use NodeId instead. Removed in NDB 7.5.0.

  • MaxNoOfSavedEvents: Not used. Removed in NDB 7.5.0.

  • PortNumber: Port used for this SCI transporter (DEPRECATED). Removed in NDB 7.5.1.

  • PortNumber: Port used for this SHM transporter (DEPRECATED). Removed in NDB 7.5.1.

  • PortNumber: Port used for this TCP transporter (DEPRECATED). Removed in NDB 7.5.1.

  • ReservedSendBufferMemory: This parameter is present in NDB code but is not enabled, and is now deprecated. Removed in NDB 7.5.0.

MySQL Server Options and Variables Introduced in NDB 7.5

The following mysqld system variables, status variables, and options have been added in NDB 7.5.

  • Ndb_system_name: Configured cluster system name; empty if server not connected to NDB. Added in NDB 7.5.7.

  • ndb-allow-copying-alter-table: Set to OFF to keep ALTER TABLE from using copying operations on NDB tables. Added in NDB 7.5.0.

  • ndb-cluster-connection-pool-nodeids: Comma-separated list of node IDs for connections to the cluster used by MySQL; the number of nodes in the list must be the same as the value set for --ndb-cluster-connection-pool. Added in NDB 7.5.0.

  • ndb-default-column-format: Use this value (FIXED or DYNAMIC) by default for COLUMN_FORMAT and ROW_FORMAT options when creating or adding columns to a table.. Added in NDB 7.5.1.

  • ndb-log-update-minimal: Log updates in a minimal format.. Added in NDB 7.5.7.

  • ndb_data_node_neighbour: Specifies cluster data node "closest" to this MySQL Server, for transaction hinting and fully replicated tables. Added in NDB 7.5.2.

  • ndb_default_column_format: Sets default row format and column format (FIXED or DYNAMIC) used for new NDB tables. Added in NDB 7.5.1.

  • ndb_read_backup: Enable read from any replica. Added in NDB 7.5.2.

MySQL Server Options and Variables Deprecated in NDB 7.5

No system variables, status variables, or options have been deprecated in NDB 7.5.

MySQL Server Options and Variables Removed in NDB 7.5

No system variables, status variables, or options have been removed from NDB 7.5.