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https://dev.mysql.com/doc/refman/8.4/en/mysqlbinlog-hexdump.html
Master ID: The server ID of the replication source server that created the event. For more information about binary log format, see MySQL Internals: The Binary Log. In the example shown, '9d fc 5c 43' is the representation of '051024 17:24:13' in ...
https://dev.mysql.com/doc/refman/8.4/en/not-enough-file-handles.html
If you get ERROR 'file_name' not found (errno: 23), Can't open file: file_name (errno: 24), or any other error with errno 23 or errno 24 from MySQL, it means that you have not allocated enough file descriptors for the MySQL server. This may not ...
https://dev.mysql.com/doc/refman/8.4/en/partial-revokes.html
It also saves the value, causing it to carry over to subsequent server restarts. The server records privilege restrictions implemented through partial revokes in the mysql.user system table. If any such account exists, disabling partial_revokes ...
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-consumer-configurations.html
No Instrumentation Global Instrumentation Only Global and Thread Instrumentation Only Global, Thread, and Current-Event Instrumentation Global, Thread, Current-Event, and Event-History instrumentation No Instrumentation Server configuration state: ... The consumer settings in the setup_consumers table form a hierarchy from higher levels to ...
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-error-summary-tables.html
The Performance Schema maintains summary tables for aggregating statistical information about server errors (and warnings). For a list of server errors, see Server Error Message Reference. For example, if MySQL Server errors lie in the range from M ...Collection of error information is controlled by the error instrument, which is enabled by ...
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-event-tables.html
The Performance Schema autosizes the history tables, or the sizes can be configured explicitly at server startup using table-specific system variables, as indicated in the sections that describe the individual history tables. The _current tables ...
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-log-status-table.html
When the log_status table is queried, the server blocks logging and related administrative changes for just long enough to populate the table, then releases the resources. The log_status table has these columns: SERVER_UUID The server UUID for this ... The log_status table provides information that enables an online backup tool to copy the required log files without locking those resources for the duration of the copy ...
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-replication-group-members-table.html
RECOVERING: The server has joined a group from which it is retrieving data. This table shows network and status information for replication group members. The network addresses shown are the addresses used to connect clients to the group, and ...
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-runtime-configuration.html
If there are Performance Schema configuration changes that must be made at runtime using SQL statements and you would like these changes to take effect each time the server starts, put the statements in a file and start the server with the init_file ... Specific Performance Schema features can be enabled at runtime to control which types of event collection ...
https://dev.mysql.com/doc/refman/8.4/en/pluggable-storage-overview.html
The MySQL server architecture isolates the application programmer and DBA from all of the low-level implementation details at the storage level, providing a consistent and easy application model and API. The storage engines themselves are the ...