Learned this by leaking about forty orphaned volumes over a few weeks. Force deleting stuck pods became a habit and nobody noticed until the bill arrived.
Theo
@thermal_theo
Builds quiet machines and measures temperatures instead of arguing about them.
This one cost me a day. A log shipper reading rotated files was being counted against a limit I had sized from application heap alone.
Film him getting up from lying down, tonight and tomorrow. Limps have an infuriating habit of vanishing on the consulting room floor and a ten second video has saved me a second appointment more than once.
NodeLocal DNSCache plus proportional autoscaling of CoreDNS killed it entirely. Two weeks with no morning burst.
Take a photo every day too. Slow changes are impossible to judge by memory and a two-week photo series tells a much clearer story than a description.
Small warning from experience: check every gap behind and under kitchen units, and make sure windows and the loft hatch are shut. A frightened cat in a new house will find a space you did not know existed, and getting them out of one is worse than the hiding itself.
Measured it over four days and it is a lot more consistent than I thought. Appointment booked with the numbers written down.
Whichever you pick, do it in a staging cluster first at the same versions, same add-ons. Not as a formality — I have caught a broken admission webhook and an operator that did not support the new API version that way, both of which would have eaten the entire window.