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https://dev.mysql.com/doc/relnotes/mysql-shell/8.4/en/news-8-4-1.html
The following changes were made: wait_timeout is checked and, if set to a value lower than the default of 8 hours, is set to 8 hours. (Bug #36495756) Utilities Added or Changed Functionality The following check was added to the Upgrade Checker ...
https://dev.mysql.com/doc/internals/en/guided-tour-skeleton.html
Walking Through The Server Code: /sql/mysqld.cc int main(int argc, char **argv) { _cust_check_startup(); (void) thr_setconcurrency(concurrency); init_ssl(); server_init(); // 'bind' + 'listen' init_server_components(); start_signal_handler(); ...
https://dev.mysql.com/doc/mysql-installer/en/mysql-installer-setup.html
Choosing a Setup Type Path Conflicts Check Requirements MySQL Installer Configuration Files When you download MySQL Installer for the first time, a setup wizard guides you through the initial installation of MySQL products. Check Requirements MySQL ...As the following figure shows, the initial setup is a one-time activity in the overall ...
https://dev.mysql.com/doc/ndbapi/en/ndb-table.html
Table::getLogging() Description This class is used to check whether a table is logged to disk—that is, whether it is permanent or temporary. If this method returns true, then full checkpointing and logging are done on the table. This section ...
https://dev.mysql.com/doc/refman/8.4/en/explain-output.html
In this case, you may be able to improve the performance of your query by examining the WHERE clause to check whether it refers to some column or columns that would be suitable for indexing. If so, create an appropriate index and check the query ...
https://dev.mysql.com/doc/refman/8.4/en/innodb-parameters.html
innodb_checkpoint_disabled Command-Line Format --innodb-checkpoint-disabled[={OFF|ON}] System Variable innodb_checkpoint_disabled Scope Global Dynamic Yes SET_VAR Hint Applies No Type Boolean Default Value OFF This is a debug option that is only ...
https://dev.mysql.com/doc/refman/8.4/en/ldap-pluggable-authentication.html
The MySQL server compares the client user name with the authenticated user name to determine whether proxying occurs for the client session: If the names are the same, no proxying occurs: The MySQL account matching the client user name is used for ... Note LDAP pluggable authentication is an extension included in MySQL Enterprise Edition, a commercial ...
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-consumer-configurations.html
If a given setting is YES, the Performance Schema enables the instrumentation associated with it and checks the settings at the next lowest level. If of these events_waits_current is enabled, events_waits_history and events_waits_history_long are ...
https://dev.mysql.com/doc/refman/8.4/en/replication-gtids-functions.html
CREATE FUNCTION GTID_INTERSECTION_WITH_UUID(gs LONGTEXT, uuid TEXT) RETURNS LONGTEXT RETURN GTID_SUBTRACT(gs, GTID_SUBTRACT_UUID(gs, uuid)) | Example 19.1 Verifying that a replica is up to date The built-in functions GTID_SUBSET() and ... This ...
https://dev.mysql.com/doc/refman/8.4/en/server-options.html
--check-table-functions=value Command-Line Format --check-table-functions=value Introduced 8.4.5 Type Enumeration Default Value ABORT Valid Values WARNABORT When performing an upgade of the server, we scan the data dictionary for functions used in ... When you start the mysqld server, you can specify program options using any of the methods described in Section 6.2.2, “Specifying Program ...