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https://dev.mysql.com/doc/refman/8.0/en/innodb-benchmarking.html
If InnoDB is not the default storage engine, you can determine if your database server and applications work correctly with InnoDB by restarting the server with --default-storage-engine=InnoDB defined on the command line or with ...Since changing ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-check-availability.html
Issue the SHOW ENGINES statement to view the available MySQL storage engines.
https://dev.mysql.com/doc/refman/8.0/en/innodb-memcached-multiple-get-range-query.html
The daemon_memcached plugin supports multiple get operations (fetching multiple key-value pairs in a single memcached query) and range queries. Multiple get Operations The ability to fetch multiple key-value pairs in a single memcached query ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-memcached.html
Important The InnoDB memcached plugin was removed in MySQL 8.3.0, and was deprecated in MySQL 8.0.22. The InnoDB memcached plugin (daemon_memcached) provides an integrated memcached daemon that automatically stores and retrieves data from InnoDB ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-moving-data-files-offline.html
The innodb_directories variable can be specified in a startup command or MySQL option file. (Unix shells treat it as a command terminator, for example.) Startup command: mysqld --innodb-directories="directory_path_1;directory_path_2" MySQL option ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-troubleshooting.html
The following general guidelines apply to troubleshooting InnoDB problems: When an operation fails or you suspect a bug, look at the MySQL server error log (see Section 7.4.2, “The Error Log”). If the failure is related to a deadlock, run with ...Server Error Message Reference provides troubleshooting information for some of the common InnoDB-specific errors that you may ...
https://dev.mysql.com/doc/refman/8.0/en/integer-types.html
MySQL supports the SQL standard integer types INTEGER (or INT) and SMALLINT. As an extension to the standard, MySQL also supports the integer types TINYINT, MEDIUMINT, and BIGINT. The following table shows the required storage and range for each ...
https://dev.mysql.com/doc/refman/8.0/en/keyring-component-plugin-comparison.html
The MySQL Keyring originally implemented keystore capabilities using server plugins, but began transitioning to use the component infrastructure in MySQL 8.0.24. A keyring component must be enabled on the MySQL server instance to support secure ...
https://dev.mysql.com/doc/refman/8.0/en/local-variable-scope.html
INTO statement, contains a reference to a column and a declared local variable with the same name, MySQL currently interprets the reference as the name of a variable. MySQL interprets this as a reference to the variable of that name rather than a ...
https://dev.mysql.com/doc/refman/8.0/en/mysqldump-upgrade-testing.html
When contemplating a MySQL upgrade, it is prudent to install the newer version separately from your current production version. (This is also useful for testing downgrades.) On the production server: $> mysqldump --all-databases --no-data ...Then ...