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https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-install-windows-initial-start.html
Once the NDB Cluster executables and needed configuration files are in place, performing an initial start of the cluster is simply a matter of starting the NDB Cluster executables for all nodes in the cluster. Each cluster node process must be ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-replication-issues.html
This section discusses known problems or issues when using replication with NDB Cluster. A loss of connection can occur either between the source cluster SQL node and the replica cluster SQL node, or between the source SQL node and the data nodes ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-single-user-mode.html
Single user mode enables the database administrator to restrict access to the database system to a single API node, such as a MySQL server (SQL node) or an instance of ndb_restore. When entering single user mode, connections to all other API nodes ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-sql-statements.html
This section discusses several SQL statements that can prove useful in managing and monitoring a MySQL server that is connected to an NDB Cluster, and in some cases provide information about the cluster itself. SHOW ENGINE NDB STATUS, SHOW ENGINE ...
https://dev.mysql.com/doc/refman/9.7/en/option-tracker-component-supported-components.html
To be shown in the mysql_option.option_usage and mysql_option tables, a component or plugin must be written and compiled with support for the Option Tracker. The name of the Option Tracker status variable (usage counter) associated with this ...
https://dev.mysql.com/doc/refman/9.7/en/password-logging.html
Passwords can be written as plain text in SQL statements such as CREATE USER, GRANT and SET PASSWORD. If such statements are logged by the MySQL server as written, passwords in them become visible to anyone with access to the logs. Statement ...
https://dev.mysql.com/doc/refman/9.7/en/performance-schema-instrument-naming.html
An instrument name consists of a sequence of elements separated by '/' characters. Example names: wait/io/file/myisam/log wait/io/file/mysys/charset wait/lock/table/sql/handler wait/synch/cond/mysys/COND_alarm ...
https://dev.mysql.com/doc/refman/9.7/en/performance-schema-setup-instruments-table.html
The setup_instruments table lists classes of instrumented objects for which events can be collected: mysql> SELECT * FROM performance_schema.setup_instruments\G *************************** 1. row *************************** NAME: ...
https://dev.mysql.com/doc/refman/9.7/en/performance-schema-tp-thread-group-state-table.html
The tp_thread_group_state table has one row per thread group in the thread pool. Each row provides information about the current state of a group. The tp_thread_group_state table has these columns: TP_GROUP_ID The thread group ID. There is at most ...
https://dev.mysql.com/doc/refman/9.7/en/performance-schema-wait-summary-tables.html
The Performance Schema maintains tables for collecting current and recent wait events, and aggregates that information in summary tables. Section 29.12.4, “Performance Schema Wait Event Tables” describes the events on which wait summaries are ...