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https://dev.mysql.com/doc/refman/8.4/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/8.4/en/mysql-cluster-tcp-definition-direct.html
Setting up a cluster using direct connections between data nodes requires specifying explicitly the crossover IP addresses of the data nodes so connected in the [tcp] section of the cluster config.ini file. In the following example, we envision a ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-tcp-definition.html
TcpSpinTime Version (or later) NDB 8.4.0 Type or units µsec Default 0 Range 0 - 2000 Restart Type Node Restart: Requires a rolling restart of the cluster. TCP/IP is the default transport mechanism for all connections between nodes in an NDB ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-upgrade-downgrade.html
Versions Supported for Upgrade to NDB 8.4 Known Issues When Upgrading or Downgrading NDB Cluster This section provides information about NDB Cluster software and compatibility between different NDB Cluster releases with regard to performing ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-gr-memory-monitoring-ps-instruments-enable.html
For more information, see Section 29.3, “Performance Schema Startup Configuration” and Section 29.4, “Performance Schema Runtime Configuration”.
https://dev.mysql.com/doc/refman/8.4/en/mysql-gr-memory-monitoring-ps-sample-queries.html
This section describes sample queries using the instruments and events for monitoring Group Replication memory usage. The memory data can be queried for individual events, for example: SELECT * FROM ...
https://dev.mysql.com/doc/refman/8.4/en/optimize-data-types.html
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https://dev.mysql.com/doc/refman/8.4/en/programs-using.html
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https://dev.mysql.com/doc/refman/8.4/en/what-is.html
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https://dev.mysql.com/doc/relnotes/mysql/8.4/en/news-8-4-2.html
Bugs Fixed InnoDB: In some cases, following the creation of a very large number of tables (8001 or more), the server could not be restarted successfully. (Bug #36808732) References: This issue is a regression of: Bug #33398681. (Bug #110402, Bug ...