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https://dev.mysql.com/doc/refman/8.0/en/keyring-plugin-installation.html
For example, the InnoDB storage engine uses the keyring for tablespace encryption, so a keyring component or plugin must be loaded and available prior to InnoDB initialization. Verify plugin installation by examining the Information Schema PLUGINS ... Keyring service consumers require that a keyring component or plugin be installed: To use a keyring plugin, begin with the instructions ...
https://dev.mysql.com/doc/refman/8.0/en/locking-functions.html
Uniquely named locks acquired with GET_LOCK() appear in the Performance Schema metadata_locks table. In the case that multiple locks are acquired for the same name, only the first lock for the name registers a row in the metadata_locks table. Since ...While held by one session, other sessions cannot obtain a lock of the same ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-config-send-buffers.html
You can use the ndbinfo.transporters table to monitor send buffer memory usage, and to detect slowdown and overload conditions that can adversely affect performance. The NDB kernel employs a unified send buffer whose memory is allocated dynamically ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-management.html
The values of these variables can be read in the mysql client from the output of a SHOW STATUS statement, or by querying either the Performance Schema session_status or global_status table. By comparing the values of the status variables before and ... Managing an NDB Cluster involves a number of tasks, the first of which is to configure and start NDB ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-ndb-innodb-usage.html
The following table lists supported application features according to the storage engine to which each feature is typically better suited. When comparing application feature requirements to the capabilities of InnoDB with NDB, some are clearly more ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-overview.html
When data is stored by the NDB storage engine, the tables (and table data) are stored in the data nodes. Such tables are directly accessible from all other MySQL servers (SQL nodes) in the cluster. NDB Cluster is a technology that enables ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-programs-ndb-config.html
All options that can be used with ndb_config are shown in the following table. 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 ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-programs-ndb-perror.html
The following table includes all options that are specific to the NDB Cluster program ndb_perror. ndb_perror shows information about an NDB error, given its error code. This includes the error message, the type of error, and whether the error is ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-programs-ndb-redo-log-reader.html
Options that can be used with ndb_redo_log_reader are shown in the following table. Reads a redo log file, checking it for errors, printing its contents in a human-readable format, or both. ndb_redo_log_reader is intended for use primarily by NDB ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-programs-ndb-secretsfile-reader.html
cac256e18b2ddf6b5ef82d99a72f18e864b78453cc7fa40bfaf0c40b91122d18 These and other options that can be used with ndb_secretsfile_reader are shown in the following table. ndb_secretsfile_reader gets the encryption key from an NDB encryption secrets ...