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https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-limitations-multiple-nodes.html
The following are issues relating to the use of multiple MySQL servers as NDB Cluster SQL nodes, and are specific to the NDBCLUSTER storage engine: Stored programs not distributed. Stored procedures, stored functions, triggers, and scheduled events ...A LOCK TABLES statement or GET_LOCK() call works only for the SQL node on which the lock is issued; no other SQL node in the cluster “sees” this ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-ndbinfo-backup-id.html
This table provides a way to find the ID of the backup started most recently for this cluster. The backup_id table contains a single column id, which corresponds to a backup ID taken using the ndb_mgm client START BACKUP command.
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-ndbinfo-cluster-operations.html
(Currently, the MySQL Server does not expose the NDB API transaction ID of an ongoing transaction.) The operation_type column can take any one of the values READ, READ-SH, READ-EX, INSERT, UPDATE, DELETE, WRITE, UNLOCK, REFRESH, SCAN, SCAN-SH, ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-online-add-node-remarks.html
The redistribution for NDBCLUSTER tables already existing before the new data nodes were added is not automatic, but can be accomplished using simple SQL statements in mysql or another MySQL client application. This section provides general ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-system-definition.html
The Name system parameter is used with MySQL Enterprise Monitor; ConfigGenerationNumber and PrimaryMGMNode are not used in production environments. Except when using NDB Cluster with MySQL Enterprise Monitor, is not necessary to have a [system] ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-tde.html
Replication of an NDB Cluster whose file system is encrypted to a standalone MySQL server using InnoDB tables which are not encrypted. Replication of an NDB Cluster with an unencrypted file system to a standalone MySQL server using InnoDB tables ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-gr-memory-monitoring-ps-instruments.html
The MySQL Performance Schema provides instrumentation for performance monitoring of Group Replication memory usage. mysql_thread_queued_task: Memory allocated when a MySQL-thread dependent task is added to the processing queue. The ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-oci-marketplace-network-configuration.html
Important You must enable ingress on the following ports: 22: SSH 3306: MySQL 33060: (optional) MySQL X Protocol.
https://dev.mysql.com/doc/refman/8.4/en/mysql-shell-tutorial-javascript-documents-collections.html
When you are using MySQL as a Document Store, collections are containers within a schema that you can create, list, and drop. Collections contain JSON documents that you can add, find, update, and remove. The examples in this section use the ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-shell-tutorial-javascript-documents-in-tables.html
In MySQL, a table may contain traditional relational data, JSON values, or both. mysql-js> db.city.insert().values( None, "San Francisco", "USA", "California", '{"Population":830000}') Select a Record You can issue a query with a search condition ...You can combine traditional data with JSON documents by storing the documents in columns having a native JSON data ...