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https://dev.mysql.com/doc/refman/8.4/en/information-schema-files-table.html
InnoDB file-per-table tablespaces may report IMPORTING, which indicates that the tablespace is not yet available. It is also important to remember that once an extent is used, it cannot be freed again without dropping the data file of which it is a ... The FILES table provides information about the files in which MySQL tablespace data is ...
https://dev.mysql.com/doc/refman/8.4/en/keyring-hashicorp-plugin.html
Important Certificates generated by these instructions are self-signed, which may not be very secure. Important A test setup is similar to a production setup, but production use of HashiCorp Vault entails additional security considerations such as ... Note The keyring_hashicorp plugin is an extension included in MySQL Enterprise Edition, a commercial ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-install-linux-rpm.html
It is very important that all of the Cluster RPMs to be installed have the same version number. Important You must use the versions of these RPMs released for NDB Cluster; those released for the standard MySQL server do not provide support for the ... This section covers the steps necessary to install the correct executables for each type of NDB Cluster node using RPM packages supplied by ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-programs-ndbd.html
Important This option does not affect backup files that have already been created by the affected node. Important Do not confuse this option with the --nowait-nodes option for ndb_mgmd, which can be used to enable a cluster configured with multiple ... The ndbd binary provides the single-threaded version of the process that is used to handle all the data in tables employing the NDBCLUSTER storage ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-replication-issues.html
For this reason, to guarantee high availability, it is extremely important to maintain a backup replication channel, to monitor the primary channel, and to fail over to the secondary replication channel when necessary to keep the replica cluster ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-security-mysql-privileges.html
It is important to keep in mind that, by default, the MySQL grant tables use the InnoDB storage engine. The most important points to remember regarding the MySQL privilege system with regard to NDB Cluster are listed here: Users and privileges ...
https://dev.mysql.com/doc/refman/8.4/en/mysqld-multi.html
Some notes about mysqld_multi: Most important: Before using mysqld_multi be sure that you understand the meanings of the options that are passed to the mysqld servers and why you would want to have separate mysqld processes. Important Make sure that ... mysqld_multi is designed to manage several mysqld processes that listen for connections on different Unix socket files and TCP/IP ...
https://dev.mysql.com/doc/refman/8.4/en/mysqldump.html
Dumps can be easily imported into a MySQL Server instance or a MySQL HeatWave DB System using the MySQL Shell load dump utilities. When you selectively enable or disable the effect of a group option, order is important because options are processed ... The mysqldump client utility performs logical backups, producing a set of SQL statements that can be executed to reproduce the original database object definitions and table ...
https://dev.mysql.com/doc/refman/8.4/en/replication-gtids-howto.html
It is extremely important that you make sure the replica has processed all updates before continuing. Important It is important to understand that logs containing transactions without GTIDs cannot be used on servers where GTIDs are enabled. This ...
https://dev.mysql.com/doc/refman/8.4/en/replication-options-binary-log.html
Another important difference in --binlog-do-db handling for statement-based logging as opposed to the row-based logging occurs with regard to statements that refer to multiple databases. Important Before enabling this variable, you must make certain ... 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 statements are written to the binary ...