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https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-ndbinfo-transporters.html
This information is shown in the table's status column, which can have any one of the following values: CONNECTING, CONNECTED, DISCONNECTING, or DISCONNECTED. The remote_address is the host name or address for the node whose ID is shown in the ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-params-mgmd.html
HeartbeatThreadPriority: Set heartbeat thread policy and priority for management nodes; see manual for allowed values. The listing in this section provides information about parameters used in the [ndb_mgmd] or [mgm] section of a config.ini file ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-replication-multi-source.html
It is possible to use NDB Cluster for bidirectional replication between two clusters, as well as for circular replication between any number of clusters. This type of circular replication scheme for NDB Cluster, in which the line of replication ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-replication-two-channels.html
First, the mysqld processes for the primary and secondary replication source servers must be started, followed by those for the primary and secondary replicas. In a more complete example scenario, we envision two replication channels to provide ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-rolling-restart.html
A mix of node binaries from different NDB Cluster releases is neither intended nor supported for continuous, long-term use in a production setting. This section discusses how to perform a rolling restart of an NDB Cluster installation, so called ...
https://dev.mysql.com/doc/refman/5.7/en/mysqlbinlog-hexdump.html
For more information about binary log format, see MySQL Internals: The Binary Log. In the example shown, '9d fc 5c 43' is the representation of '051024 17:24:13' in hexadecimal. Master ID: The server ID of the replication source server that created ...
https://dev.mysql.com/doc/refman/5.7/en/ndb-restore-to-different-version.html
In such cases, it is necessary to alter any tables using utf8mb4_ai_ci so that they use a character set supported in the older version prior to performing the backup. The following two sections provide information about restoring a native NDB ...
https://dev.mysql.com/doc/refman/5.7/en/optimizer-tracing-typical-usage.html
To perform optimizer tracing entails the following steps: Enable tracing by executing SET optimizer_trace="enabled=ON". See Section 8.15.3, “Traceable Statements”, for a listing of statements which can be traced. To examine traces for multiple ...You can trace only statements which are executed within the current session; you cannot see traces from other ...
https://dev.mysql.com/doc/refman/5.7/en/partitioning-info.html
This section discusses obtaining information about existing partitions, which can be done in a number of ways. Methods of obtaining such information include the following: Using the SHOW CREATE TABLE statement to view the partitioning clauses used ...Using the SHOW TABLE STATUS statement to determine whether a table is ...
https://dev.mysql.com/doc/refman/5.7/en/precision-math-rounding.html
This section discusses precision math rounding for the ROUND() function and for inserts into columns with exact-value types (DECIMAL and integer). The ROUND() function rounds differently depending on whether its argument is exact or approximate: ...