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https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-limitations-multiple-nodes.html
The following are issues relating to the use of multiple MySQL servers as NDB Cluster SQL nodes, and are specific to the NDBCLUSTER storage engine: Stored programs not distributed. Stored procedures, stored functions, triggers, and scheduled events ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-ndbinfo-arbitrator-validity-summary.html
The arbitrator_validity_summary table provides a composite view of the arbitrator with regard to the cluster's data nodes. If it has more than 1 row for longer than a few moments, then either not all nodes are connected to the arbitrator, or all ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-ndbinfo.html
ndbinfo is a database containing information specific to NDB Cluster. This database contains a number of tables, each providing a different sort of data about NDB Cluster node status, resource usage, and operations. You can find more detailed ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-installer.html
MySQL Installer is a standalone application designed to ease the complexity of installing and configuring MySQL products that run on Microsoft Windows. It is downloaded with and supports the following MySQL products: MySQL Servers MySQL Installer ...
https://dev.mysql.com/doc/refman/8.0/en/mysqld-safe.html
mysqld_safe is the recommended way to start a mysqld server on Unix. mysqld_safe adds some safety features such as restarting the server when an error occurs and logging runtime information to an error log. A description of error logging is given ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-status-monitoring.html
Names for these variables have several forms: Performance_schema_xxx_classes_lost indicates how many instruments of type xxx could not be loaded. Performance_schema_xxx_instances_lost indicates how many instances of object type xxx could not be ...
https://dev.mysql.com/doc/refman/8.0/en/replica-logs.html
A replica server creates several repositories of information to use for the replication process: The replica's relay log, which is written by the replication I/O (receiver) thread, contains the transactions read from the replication source server's ...
https://dev.mysql.com/doc/refman/8.0/en/replication-features-transactions.html
In general, you should avoid transactions that update both transactional and nontransactional tables in a replication environment. You should also avoid using any statement that accesses both transactional (or temporary) and nontransactional tables ...
https://dev.mysql.com/doc/refman/8.0/en/replication-setup-replicas.html
Before you proceed, ensure that you have: Configured the source with the necessary configuration properties. Obtained the source status information, or a copy of the source's binary log index file made during a shutdown for the data snapshot. On the ...
https://dev.mysql.com/doc/refman/8.0/en/replication-upgrade.html
When you upgrade servers that participate in a replication topology, you need to take into account each server's role in the topology and look out for issues specific to replication. For general information and instructions for upgrading a MySQL ...