INFORMATION_SCHEMA thread pool tables are
deprecated, and subject to removal in a future version of MySQL.
You should use the versions available as Performance Schema
tables instead. See
Performance Schema Thread Pool Tables.
Applications should transition away from the old tables to the
new tables. For example, if an application uses this query:
SELECT * FROM INFORMATION_SCHEMA.TP_THREAD_GROUP_STATS;
The application should use this query instead:
SELECT * FROM performance_schema.tp_thread_group_stats;
TP_THREAD_GROUP_STATS table reports
statistics per thread group. There is one row per group.