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https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-online-add-node-basics.html
Note This needs to be done only for tables already existing at the time the new node group is added. In this section, we list the basic steps required to add new data nodes to an NDB Cluster. This procedure applies whether you are using ndbd or ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-online-operations.html
We sometimes refer to this as a “copying” or “offline” ALTER TABLE. This is normally not problematic, unless the ALTER TABLE takes a very long time. MySQL NDB Cluster 8.0 supports online table schema changes using ALTER TABLE ... NDB ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-params-mgmd.html
HeartbeatIntervalMgmdMgmd: Time between management-node-to-management-node heartbeats; connection between management nodes is considered lost after 3 missed heartbeats. The listing in this section provides information about parameters used in the ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-params-other.html
The listings in this section provide information about parameters used in the [computer], [tcp], and [shm] sections of a config.ini file for configuring NDB Cluster. For detailed descriptions and additional information about individual parameters, ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-ps-tables.html
row *************************** NAME: memory/ndbcluster/Thd_ndb::batch_mem_root ENABLED: YES TIMED: NULL PROPERTIES: VOLATILITY: 0 DOCUMENTATION: Memory used for transaction batching 1 row in set (0.01 sec) . NDB 8.0 provides information in the ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-replication-failover.html
In the event that the primary Cluster replication process fails, it is possible to switch over to the secondary replication channel. This means that the ndb_apply_status table contains information for the replica on this host as well as for any ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-replication-issues.html
This section discusses known problems or issues when using replication with NDB Cluster. A loss of connection can occur either between the source cluster SQL node and the replica cluster SQL node, or between the source SQL node and the data nodes ...
https://dev.mysql.com/doc/refman/8.0/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. Each cluster has two SQL nodes, with SQL nodes A and B belonging to Cluster 1, SQL nodes C and ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-replication-preparation.html
If the source cluster is already in use, you can create a backup of the source and load this onto the replica to cut down on the amount of time required for the replica to synchronize itself with the source. Preparing the NDB Cluster for ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-security-mysql-security-procedures.html
Without FLUSH PRIVILEGES, the changes do not take effect until the next time that the server is restarted. In this section, we discuss MySQL standard security procedures as they apply to running NDB Cluster. In general, any standard procedure for ...