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https://dev.mysql.com/doc/refman/8.0/en/performance-schema-instance-tables.html
Each instance table has an EVENT_NAME or NAME column to indicate the instrument associated with each row. They provide event names and explanatory notes or status information: cond_instances: Condition synchronization object instances ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-instrument-filtering.html
The setup_instruments table lists the available instruments: mysql> SELECT NAME, ENABLED, TIMED FROM performance_schema.setup_instruments; +---------------------------------------------------+---------+-------+ | NAME | ENABLED | TIMED | ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-obtaining-parent-events.html
Rows of this table have a THREAD_ID column indicating the thread ID of the session that owns the lock, and an EVENT_ID column indicating the Performance Schema event that caused the lock. For statements, it all depends on whether the statement that ...The relation is based on a nested set data model, so the join has several ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-persisted-variables-table.html
The table contains a row for each persisted system variable in the file. The persisted_variables table provides an SQL interface to the mysqld-auto.cnf file that stores persisted global system variable settings, enabling the file contents to be ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-pre-filtering.html
Generally, the effect is to reset the summary columns to 0 or NULL, not to remove rows. Pre-filtering is done by the Performance Schema and has a global effect that applies to all users. Pre-filtering can be applied to either the producer or ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-replication-applier-filters-table.html
Each row provides information on a replication channel's configured type of filter. This table shows the replication channel specific filters configured on this replica. The replication_applier_filters table has these columns: CHANNEL_NAME The name ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-replication-applier-status-by-coordinator-table.html
The replication_applier_status_by_coordinator table has these columns: CHANNEL_NAME The replication channel which this row is displaying. For a multithreaded replica, the replica uses multiple worker threads and a coordinator thread to manage them, ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-replication-applier-status-by-worker-table.html
The replication_applier_status_by_worker table has these columns: CHANNEL_NAME The replication channel which this row is displaying. This table provides details of the transactions handled by applier threads on a replica or Group Replication group ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-replication-applier-status-table.html
The replication_applier_status table has these columns: CHANNEL_NAME The replication channel which this row is displaying. This table shows the current general transaction execution status on the replica. The table provides information about ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-replication-connection-configuration-table.html
This table shows the configuration parameters used by the replica for connecting to the source. Parameters stored in the table can be changed at runtime with the CHANGE REPLICATION SOURCE TO statement (from MySQL 8.0.23) or CHANGE MASTER TO ...