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https://dev.mysql.com/doc/refman/9.7/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/9.7/en/mysql-cluster-overview-requirements.html
One of the strengths of NDB Cluster is that it can be run on commodity hardware and has no unusual requirements in this regard, other than for large amounts of RAM, due to the fact that all live data storage is done in memory. (It is possible to ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-programs-ndb-error-reporter.html
ndb_error_reporter creates an archive from data node and management node log files that can be used to help diagnose bugs or other problems with a cluster. It is highly recommended that you make use of this utility when filing reports of bugs in ...
https://dev.mysql.com/doc/refman/9.7/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/9.7/en/performance-schema-setup-metrics-table.html
The setup_metrics table lists the available metrics: mysql> select * from performance_schema.setup_metrics\G *************************** 34. row *************************** NAME: undo_tablespaces_active METER: mysql.inno METRIC_TYPE: ASYNC GAUGE ...
https://dev.mysql.com/doc/refman/9.7/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/9.7/en/programs-overview.html
Later sections provide a more detailed description of each one, with the exception of NDB Cluster programs. Each program's description indicates its invocation syntax and the options that it supports. Section 25.5, “NDB Cluster Programs”, ...
https://dev.mysql.com/doc/refman/9.7/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/9.7/en/replication-features-transactions.html
In MySQL 9.6 (and later), transactions that update both transactional tables and tables which are nontransactional or noncomposable are deprecated, and causes a deprecation warning to be written to both the client and the error log. In MySQL 9.6 ...
https://dev.mysql.com/doc/refman/9.7/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 ...