Reading the post I can imagine the days/weeks it took for those bright individuals (I spot Brendan Gregg among them, and being Netflix I can safely infer they a

Reading the post I can imagine the days/weeks it took for those bright individuals (I spot Brendan Gregg among them, and being Netflix I can safely infer they are all very smart indeed) to find the issue behind this - and all the years of work on the tooling to make it possible. Now, add the Kubernetes layer on top of this and I think you will add at very least one extra week of debugging...