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https://dev.mysql.com/doc/refman/8.4/en/performance-schema-quick-start.html
Check the server error log for information about what went wrong. The number of Performance Schema tables increases over time as implementation of additional instrumentation proceeds. row *************************** THREAD_ID: 0 EVENT_ID: 5523 ...
https://dev.mysql.com/doc/mysql-em-plugin/en/myoem-config-metric-connection-category.html
Connect Timeout The number of seconds that the MySQL server waits for a connect packet before responding with 'Bad handshake'. Interactive Timeout The number of seconds the server waits for activity on an interactive connection before closing it.
https://dev.mysql.com/doc/connectors/en/connector-python-api-mysqlconnection-start-transaction.html
If the server is older than MySQL 5.6.5, it does not support setting the access mode and Connector/Python raises a ValueError. Invoking start_transaction() raises a ProgrammingError if invoked while a transaction is currently in progress. This ...It ...
https://dev.mysql.com/doc/connector-python/en/connector-python-api-mysqlconnection-start-transaction.html
If the server is older than MySQL 5.6.5, it does not support setting the access mode and Connector/Python raises a ValueError. Invoking start_transaction() raises a ProgrammingError if invoked while a transaction is currently in progress. This ...It ...
https://dev.mysql.com/doc/refman/8.4/en/keyring-okv-plugin.html
There is a 20-second wait for each connection attempt, so the presence of a long list of invalid servers can significantly affect the keyring_okv plugin’s connection time and therefore the server startup time. There is a 20-second wait for each ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-programs-ndb-mgm.html
--connect-retries=# Command-Line Format --connect-retries=# Type Numeric Default Value 3 Minimum Value 0 Maximum Value 4294967295 This option specifies the number of times following the first attempt to retry a connection before giving up (the ...
https://dev.mysql.com/doc/refman/8.4/en/full-disk.html
This section describes how MySQL responds to disk-full errors (such as “no space left on device”), and to quota-exceeded errors (such as “write failed” or “user block limit reached”). The thread is aborted the next time it checks the ...
https://dev.mysql.com/doc/workbench/en/wb-command-line-options.html
With increasingly levels of verbosity, the valid values for level are: error, warning, info, debug1, debug2, and debug3. --run code: Executes the given code using the default language for GRT shell. In addition to platform-specific command-line ...
https://dev.mysql.com/doc/internals/en/optimizer-eliminating-dead-code.html
A transformation takes place for conditions that are always true, for example: WHERE 0=0 AND column1='y' In this case, the first condition is removed, leaving WHERE column1='y' See: /sql/sql_select.cc, remove_eq_conds(). A transformation also takes ...
https://dev.mysql.com/doc/workbench/en/wb-keys.html
The following tables list keyboard shortcuts for MySQL Workbench commands.