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https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-importing-data.html
It is common when setting up a new instance of NDB Cluster to need to import data from an existing NDB Cluster, instance of MySQL, or other source. This data is most often available in one or more of the following formats: An SQL dump file such as ...
https://dev.mysql.com/doc/refman/5.7/en/set-variable.html
variable: { user_var_name | param_name | local_var_name | {GLOBAL | @@GLOBAL.} system_var_name | [SESSION | @@SESSION. | @@] system_var_name } SET syntax for variable assignment enables you to assign values to different types of variables that ...
https://dev.mysql.com/doc/refman/5.7/en/dba-dtrace-mysqld-ref.html
MySQL supports the following static probes, organized into groups of functionality. To identify each argument within the definitions they are provided with a descriptive name, but you must access the information using the corresponding argN ...
https://dev.mysql.com/doc/refman/5.7/en/server-system-variables.html
The MySQL server maintains many system variables that affect its operation. Most system variables can be set at server startup using options on the command line or in an option file. Most of them can be changed dynamically at runtime using the SET ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-buffer-pool.html
The buffer pool is an area in main memory where InnoDB caches table and index data as it is accessed. The buffer pool permits frequently used data to be accessed directly from memory, which speeds up processing. On dedicated servers, up to 80% of ...
https://dev.mysql.com/doc/refman/5.7/en/condition-filtering.html
In join processing, prefix rows are those rows passed from one table in a join to the next. In general, the optimizer attempts to put tables with low prefix counts early in the join order to keep the number of row combinations from increasing ...
https://dev.mysql.com/doc/refman/5.7/en/json-utility-functions.html
This section documents utility functions that act on JSON values, or strings that can be parsed as JSON values. JSON_PRETTY() prints out a JSON value in a format that is easy to read. JSON_STORAGE_SIZE() shows the amount of storage space used by a ...
https://dev.mysql.com/doc/refman/5.7/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/5.7/en/mysql-cluster-programs-ndb-restore.html
The NDB Cluster restoration program is implemented as a separate command-line utility ndb_restore, which can normally be found in the MySQL bin directory. This program reads the files created as a result of the backup and inserts the stored ...
https://dev.mysql.com/doc/refman/5.7/en/replication-options-binary-log.html
Startup Options Used with Binary Logging System Variables Used with Binary Logging You can use the mysqld options and system variables that are described in this section to affect the operation of the binary log as well as to control which ...