Messaged my practice lead (and also good friend) with a root cause analysis as well as proposal on how to fix a problem after migration to mysql 5.7.

Now I’m waiting in defense mode to strike me back with his violent wisdom.

@F1973 Since when doing the right thing/s is a precondition for proper response/reaction.

Also I believe I set the wrong tone here. It's a pleasure working with this person as he has the technical knowledge as well as that fine touch to detail. Exactly because of the last one - if I missed something in my theory he will detonate the whole conversation. So I need to be prepared :D