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Draining a Task on the Termination Signal Before Capacity Is Reclaimed

Checkpointing alone still discards whatever happened since the last checkpoint; the drain handler is what recovers that remainder and, more importantly, prevents a half-written output from being read later as a real result. That correctness point is squarely inside the outcome's reproducibility clause.

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Graceful Pod Shutdown for Spring Boot Applications on Kubernetes

Graceful shutdown is the principle that terminating a service instance must be a bounded, cooperative sequence rather than an abrupt kill: the instance is first told to stop accepting new work, then …