Performance Schema Table Reference Table Name Description Introduced file_summary_by_event_name File events per event name file_summary_by_instance File events per file instance firewall_group_allowlist Firewall in-memory data for group profile allowlists 8.0.23 firewall_groups Firewall in-memory data for group profiles 8.0.23 firewall_membership Firewall in-memory data for group profile members 8.0.23 global_status Global status variables global_variables Global system variables host_cache Information from internal host cache hosts Connection statistics per client host name keyring_component_status Status information for installed keyring component 8.0.24 keyring_keys Metadata for keyring keys 8.0.16 log_status Information about server logs for backup purposes memory_summary_by_account_by_event_name Memory operations per account and event name memory_summary_by_host_by_event_name Memory operations per host and event name memory_summary_by_thread_by_event_name Memory operations per thread and event name memory_summary_by_user_by_event_name Memory operations per user and event name memory_summary_global_by_event_name Memory operations globally per event name metadata_locks Metadata locks and lock requests mutex_instances Mutex synchronization object instances ndb_sync_excluded_objects NDB objects which cannot be synchronized 8.0.21 ndb_sync_pending_objects NDB objects waiting for synchronization 8.0.21 objects_summary_global_by_type Object summaries performance_timers Which event timers are available persisted_variables Contents of mysqld-auto.cnf file prepared_statements_instances Prepared statement instances and statistics processlist Process list information 8.0.22 4942