Consider these global status variables:Which two conclusions can be made from the output?

There are 140 Performance Schema threads at the time of the output.

There are 510 connections to MySQL at the time of the output.

The thread cache has been configured with thread_cache_size set to at least 6.

There are more connections being idle than executing queries.

All max_connections were in use at 2018-03-22 14:54:06