The following sections describe tables that do not fall into the table categories discussed in the preceding sections:
error_log: The most recent events written to the error log.
host_cache: Information from the internal host cache.
keyring_keys: Metadata for keys in the MySQL keyring.
log_status: Information about server logs for backup purposes.
performance_timers: Which event timers are available.
threads: Information about server threads.
tls_channel_status: TLS context properties for connection interfaces.