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https://dev.mysql.com/doc/refman/8.4/en/replication-rules-channel-based-filters.html
Important Each channel on a multi-source replica must replicate from a different source. Important On a MySQL server instance that is configured for Group Replication, channel specific replication filters can be used on replication channels that are ... This section explains how to work with replication filters when multiple replication channels exist, for example in a multi-source replication ...
https://dev.mysql.com/doc/refman/8.4/en/serialized-dictionary-information.html
The IMPORT TABLE statement imports MyISAM tables based on information contained in .sdi files. In addition to storing metadata about database objects in the data dictionary, MySQL stores it in serialized form. Other storage engines store SDI data ...
https://dev.mysql.com/doc/refman/8.4/en/updating-yum-repo.html
Among other instructions discussed there, it is especially important to back up your database before the update. For important information about upgrading from MySQL 5.7 to 8.0, see Upgrading from MySQL 5.7 to 8.0. For important information about ...
https://dev.mysql.com/doc/refman/8.4/en/using-encrypted-connections.html
Important The default setting, --ssl-mode=PREFERRED, produces an encrypted connection if the other default settings are unchanged. However, to help prevent sophisticated man-in-the-middle attacks, it is important for the client to verify the ...
https://dev.mysql.com/doc/refman/8.4/en/xml-functions.html
It is also important to check the output being sent back to the client. Table 14.16 XML Functions Name Description ExtractValue() Extract a value from an XML string using XPath notation UpdateXML() Return replaced XML fragment This section ...
https://dev.mysql.com/doc/relnotes/mysql/8.4/en/news-8-4-6.html
(Bug #37463478) InnoDB Notes Fixed an issue relating to importing tables. (Bug #37592019) Functionality Added or Changed Important Change: Added the mysql client --commands option, which enables or disables most mysql client commands. (Bug ... Note ...
https://dev.mysql.com/doc/mysql-enterprise-backup/8.4/en/backup-performance.html
MyISAM Considerations Important Although mysqlbackup backs up InnoDB tables without interrupting database use, the final stage that copies non-InnoDB files (such as MyISAM tables and .sdi files) temporarily puts those tables into a read-only state, ... This section describes the performance considerations for backing up a database with MySQL Enterprise ...
https://dev.mysql.com/doc/mysql-enterprise-backup/8.4/en/partial.html
Important Typically, a partial backup is more difficult to restore than a full backup, because the backup data might not include the necessary interrelated pieces to constitute a complete MySQL instance. Making a Partial Backup with the Legacy ...
https://dev.mysql.com/doc/mysql-cluster-manager/8.4/en/mcm-issues-mysql-cluster.html
MySQL Cluster Manager will reject an import if it cannot access the process information of the cluster being imported. This section describes limitations relating to MySQL NDB Cluster functionality that is unsupported or curtailed by MySQL Cluster ...
https://dev.mysql.com/doc/mysql-cluster-manager/8.4/en/mcm-show-status.html
import The process is part of a cluster that was created for import, but the actual migration of processes and data from the original cluster has not yet taken place. show status show status --cluster|-c cluster_name show status --operation|-o ...