I thought it was worth a moment to reiterate on the new Performance Schema related defaults that MySQL 5.7.7 brings to the table, for various reasons.
For one, most of you might have noticed that profiling was marked as deprecated in MySQL 5.6.7. So it is expected that you invest into learning more about Performance Schema (and Mark’s sys schema!).
Second, there are lots of virtual environments and appliances out there running Community Edition MySQL where Performance Schema can be a useful tool for analyzing performance. Thus, expect to …[Read more...]