MySQL’s Performance Schema is an incredibly rich and versatile instrumentation engine, but apparently, with great power, comes increased complexity for the user to understand up front.
I think this is pretty natural:
- The more flexibility you provide to the user on what to monitor (and this is one of the major goals of Performance Schema) – the more there is to twiddle from a configuration perspective.
- The more data we provide in as generic a ways as possible – the more data there is.
Performance Schema is also only going to grow over time. There are many many missing bits of[Read more...]