> Maybe it's improved, but: four times bitten, twice shy.
I see, happens all the time.
> On disk caching delegates this to the OS, which is pretty good at it.
Yeah, it's just a matter of preference and convenience.
> It seems as though very few plugin authors know what O-notation means (so many nested loops), what EXPLAIN QUERY is or that tinkering and and firing up a copy on your laptop isn't really testing.
This is the real issue. I know a very few WordPress developers who have a formal technical education. While you can learn it yourself, school forces you to learn this in a great detail. In a near future, I will hopefully write on these topics, though, I need to study on this a bit more first.
I see, happens all the time.
> On disk caching delegates this to the OS, which is pretty good at it.
Yeah, it's just a matter of preference and convenience.
> It seems as though very few plugin authors know what O-notation means (so many nested loops), what EXPLAIN QUERY is or that tinkering and and firing up a copy on your laptop isn't really testing.
This is the real issue. I know a very few WordPress developers who have a formal technical education. While you can learn it yourself, school forces you to learn this in a great detail. In a near future, I will hopefully write on these topics, though, I need to study on this a bit more first.