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https://dev.mysql.com/doc/refman/8.4/en/performance-schema-status-monitoring.html
For example, if a mutex is instrumented in the server source but the server cannot allocate memory for the instrumentation at runtime, it increments Performance_schema_mutex_classes_lost. If the server cannot create a given instrumented mutex ...
https://dev.mysql.com/doc/mysql-enterprise-backup/8.4/en/backup-encrypted-innodb-options.html
The same password supplied during backup must be supplied again during a copy-back-and-apply-log, apply-log, or an apply-incremental-backup operation for the backup, or mysqlbackup will error out when it encounters encrypted InnoDB tables or ...
https://dev.mysql.com/doc/mysql-enterprise-backup/8.4/en/meb-troubleshooting.html
Incremental backups, when performed using the --start-lsn option, require care to specify a sequence of time periods. You must record the final LSN value at the end of each backup, and specify that value in the next incremental backup. You must also ... To troubleshoot issues regarding backup and restore with the MySQL Enterprise Backup product, consider the following aspects: Before troubleshooting any problem, familiarize yourself with the known limits and restrictions on the product, in Appendix B, Limitations of MySQL Enterprise ...
https://dev.mysql.com/doc/mysql-enterprise-backup/8.4/en/restore-cloud.html
To restore a backup image from cloud storage to datadir on the server, use the cloud storage options, and also the --backup-dir option to specify the temporary directory into which temporary output, status files, and backup metadata will be saved: ...
https://dev.mysql.com/doc/relnotes/mysql/8.4/en/news-8-4-1.html
(Bug #36685422) Microsoft Windows: For MSI installations on Windows, MySQL Configurator now automatically upgrades MySQL 8.4 LTS installations without user intervention. (Bug #36515172) Replication: When running GTID-based replication with ...It was ...
https://dev.mysql.com/doc/mysql-enterprise-backup/8.4/en/restore.partial.html
The auto-increment values of the restored tables for a partial restore might not be the same as they were at the end of the backup process. Table-Level Recovery (TLR) allows selected tables (or schemas) to be restored from a backup (be it a full ...
https://dev.mysql.com/doc/internals/en/implementing-commit.html
If the server is in auto-commit mode, the storage engine should automatically commit all read-only statements such as SELECT. Increment the count for every call to external_lock(), decrement when external_lock() is called with an argument of F_UNLCK. During a commit operation, all changes made during a transaction are made permanent and a rollback operation is not possible after ...
https://dev.mysql.com/doc/heatwave/en/mys-hw-lakehouse-loading-data-manually.html
These checks include the following: Automatically detect tables and columns that cannot be loaded. These adjustments are similar to those performed by Autopilot during Lakehouse Auto Parallel Load. For MySQL 9.1.2 and later, you can also review the ... After creating an external table manually and specifying the files to load into the table, you have the option (as of MySQL 9.6.0) to validate a load command before loading data into the external ...
https://dev.mysql.com/doc/heatwave-aws/en/heatwave-aws-workspace-managing-hw-data.html
Refreshing Lakehouse Data: Your MySQL HeatWave Lakehouse data can be refreshed by a Lakehouse Incremental Load. Data is loaded into MySQL HeatWave from the associated DB System. If you have not loaded data into the DB System, see Importing Data.
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-option-tables.html
ndb_metadata_check: Enable auto-detection of NDB metadata changes with respect to MySQL data dictionary; enabled by default. The following list includes command-line options, system variables, and status variables applicable within mysqld when it ...