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https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-programs-ndb-config.html
This tool extracts current configuration information for data nodes, SQL nodes, and API nodes from one of a number of sources: an NDB Cluster management node, or its config.ini or my.cnf file. By default, the management node is the source for the ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-programs-ndb-waiter.html
ndb_waiter repeatedly (each 100 milliseconds) prints out the status of all cluster data nodes until either the cluster reaches a given status or the --timeout limit is exceeded, then exits. By default, it waits for the cluster to achieve STARTED ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-programs-ndbinfo-select-all.html
ndbinfo_select_all is a client program that selects all rows and columns from one or more tables in the ndbinfo database Not all ndbinfo tables available in the mysql client can be read by this program (see later in this section). In addition, ...
https://dev.mysql.com/doc/refman/8.0/en/optimize-overview.html
Database performance depends on several factors at the database level, such as tables, queries, and configuration settings. These software constructs result in CPU and I/O operations at the hardware level, which you must minimize and make as ...
https://dev.mysql.com/doc/refman/8.0/en/optimizer-hints.html
One means of control over optimizer strategies is to set the optimizer_switch system variable (see Section 10.9.2, “Switchable Optimizations”). Changes to this variable affect execution of all subsequent queries; to affect one query differently ...
https://dev.mysql.com/doc/refman/8.0/en/optimizing-innodb-configuration-variables.html
Different settings work best for servers with light, predictable loads, versus servers that are running near full capacity all the time, or that experience spikes of high activity. Because the InnoDB storage engine performs many of its ...
https://dev.mysql.com/doc/refman/8.0/en/partitioning-range.html
A table that is partitioned by range is partitioned in such a way that each partition contains rows for which the partitioning expression value lies within a given range. Ranges should be contiguous but not overlapping, and are defined using the ...
https://dev.mysql.com/doc/refman/8.0/en/partitioning-types.html
This section discusses the types of partitioning which are available in MySQL 8.0. This type of partitioning assigns rows to partitions based on column values falling within a given range. For information about an extension to this type, RANGE ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-component-scheduler-tasks-table.html
The component_scheduler_tasks table contains a row for each scheduled task. Each row contains information about the ongoing progress of a task that applications, components, and plugins can implement, optionally, using the scheduler component (see ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-functions.html
As of MySQL 8.0.16, MySQL includes built-in SQL functions that format or retrieve Performance Schema data, and that may be used as equivalents for the corresponding sys schema stored functions. The built-in functions can be invoked in any schema ...