29.12.22 Performance Schema Miscellaneous Tables

MySQL 8.4 Reference Manual Including MySQL NDB Cluster 8.4

The following sections describe tables that do not fall into the table categories discussed in the preceding sections:

component_scheduler_tasks: The current status of each scheduled task.
error_log: The most recent events written to the error log.
host_cache: Information from the internal host cache.
innodb_redo_log_files: Information about InnoDB redo log files.
log_status: Information about server logs for backup purposes.
performance_timers: Which event timers are available.
processlist: Information about server processes.
threads: Information about server threads.
tls_channel_status: TLS context properties for connection interfaces.
user_defined_functions: Loadable functions registered by a component, plugin, or CREATE FUNCTION statement.