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https://dev.mysql.com/doc/refman/8.4/en/error-message-elements.html
This section discusses how error messages originate within MySQL and the elements they contain. The MySQL server writes some error messages to its error log. These indicate issues of interest to database administrators or that require DBA action.
https://dev.mysql.com/doc/refman/8.4/en/innodb-parameters.html
InnoDB Startup Options InnoDB System Variables System variables that are true or false can be enabled at server startup by naming them, or disabled by using a --skip- prefix. For example, to enable or disable the InnoDB adaptive hash index, you can ...
https://dev.mysql.com/doc/refman/8.4/en/innodb-persistent-stats.html
The persistent optimizer statistics feature improves plan stability by storing statistics to disk and making them persistent across server restarts so that the optimizer is more likely to make consistent choices each time for a given query.
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-ndb-api-statistics.html
A number of types of statistical counters relating to actions performed by or affecting Ndb objects are available. Such actions include starting and closing (or aborting) transactions; primary key and unique key operations; table, range, and pruned ...
https://dev.mysql.com/doc/relnotes/mysql/8.4/en/news-8-4-5.html
(Bug #37570206) Audit Log Notes <COMMAND_CLASS> was not populated for <NAME>Execute</NAME>. (Bug #36686351) Compilation Notes Group Replication: The OpenSSL Engine interface is deprecated, and is no longer being included in OpenSSL v3 main packages ...
https://dev.mysql.com/doc/relnotes/mysql-cluster/8.4/en/news-8-4-4.html
MySQL NDB Cluster 8.4.4 is a new LTS release of NDB 8.4, based on MySQL Server 8.4 and including features in version 8.4 of the NDB storage engine, as well as fixing recently discovered bugs in previous NDB Cluster releases. NDB Cluster 8.4 source ...
https://dev.mysql.com/doc/refman/8.4/en/glossary.html
These terms are commonly used in information about the MySQL database server. Files with this extension are always included in backups produced by the mysqlbackup command of the MySQL Enterprise Backup product. Files with this extension are always ...
https://dev.mysql.com/doc/refman/8.4/en/time-zone-support.html
This section describes the time zone settings maintained by MySQL, how to load the system tables required for named time support, how to stay current with time zone changes, and how to enable leap-second support. Time zone offsets are also ...
https://dev.mysql.com/doc/relnotes/mysql/8.4/en/news-8-4-3.html
C API Notes Compilation Notes Configuration Notes SQL Function and Operator Notes JavaScript Programs Performance Schema Notes sys Schema Notes Thread Pool Notes Functionality Added or Changed Bugs Fixed C API Notes The asynchronous interface used ...
https://dev.mysql.com/doc/mysql-cluster-manager/8.4/en/mcm-using-mcmd.html
Invoking this executable starts the MySQL Cluster Manager Agent, to which you can connect using the mcm client (see Section 4.3, “Starting the MySQL Cluster Manager Client” and Chapter 5, MySQL Cluster Manager Client Commands for more ...