It could just as well be our ACF+CPT fuckery that leads to this – I'm not that involved in the actual application side of things; I just provision the hardware

It could just as well be our ACF+CPT fuckery that leads to this – I'm not that involved in the actual application side of things; I just provision the hardware and OS stack. Still, we're usually seeing a lot better performance with everything that's not wordpress – be it our in-house PHP framework, or node, Rails or Python apps.