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https://dev.mysql.com/doc/heatwave-aws/en/ha-limitations.html
To reduce Query PrivateLink endpoint downtime on failovers or switchovers, configure your application by setting the value of the connect_timeout parameter to a small value (for example, 5 seconds) and by making it retry always upon connection ...
https://dev.mysql.com/doc/relnotes/mysql-cluster/8.4/en/news-8-4-6.html
Functionality Added or Changed Bugs Fixed Functionality Added or Changed Timestamps in NDB node logs can now be printed with microsecond resolution. For backwards compatible behavior, you can set this option explicitly to LEGACY, which uses the ...
https://dev.mysql.com/doc/mysql-em-plugin/en/myoem-config-metric-slowquerylogging-category.html
Log Slow Queries Enabled This option enables logging to the slow query log, which contains entries for all queries that have taken more than long_query_time seconds to execute. Log Slow Replica Statements Enabled When the slow query log is enabled, ...Long Query Time If a query takes longer than this many seconds, the server increments the Slow_queries status ...
https://dev.mysql.com/doc/internals/en/delete-table.html
By the time delete_table() has been called all opened references to this table will have been closed (and your globally shared references released). Parameters name : Base name of table Return Values 0 if we successfully deleted at least one file ...
https://dev.mysql.com/doc/mysql-installer/en/mysql-installer-workflow.html
Unlike the initial setup, which runs only once, MySQL Installer invokes the wizard each time you download or install a new product. For first-time installations, the steps of the initial setup proceed directly into the steps of the installation.
https://dev.mysql.com/doc/refman/8.4/en/concurrent-inserts.html
With LOAD DATA, if you specify CONCURRENT with a MyISAM table that satisfies the condition for concurrent inserts (that is, it contains no free blocks in the middle), other sessions can retrieve data from the table while LOAD DATA is executing. Use ...If there are multiple INSERT statements, they are queued and performed in sequence, concurrently with the SELECT ...
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-tp-connections-table.html
MANAGEMENT_TIME The accumulated time between the return from waiting on file descriptors; this includes the time spent queued for queries which are not executed directly. TIME_OF_EXPIRY Timestamp showing when an idle connection will expire if no new ... The tp_connections table contains one row per connection managed by the Thread Pool ...
https://dev.mysql.com/doc/refman/8.4/en/x-plugin-system-monitoring.html
When you execute a CRUD statement, it is translated into SQL and executed against the server. Issue: mysql-py> \sql SELECT NAME, ENABLED, TIMED FROM performance_schema.setup_instruments WHERE NAME LIKE 'statement/%' AND NOT (ENABLED and TIMED) If ...
https://dev.mysql.com/doc/relnotes/connector-python/en/news-8-0-12.html
The solution is to repair the Microsoft Visual C++ 2017 Redistributable via the Windows Control Panel to recreate the registry keys needed for the runtime detection. (Bug #28188883) Fixed datetime conversion compatibility between Django 2.0 and ...
https://dev.mysql.com/doc/internals/en/select-union-engine.html
fix_length_and_dec() prepare cache and receive type and parameters (maximum of length) of returning items (called only by Item_singlerow_subselect). st_select_lex_unit::exec() can drop 'assigned' flag of Item_subselect if st_select_lex_unit::item is ...