A process ID is not enough to prove process identity.

Windows can recycle a PID after a model worker exits. If cleanup logic trusts the number alone, it may block on an unrelated process—or terminate the wrong one.

Lizard records PID plus start time and verifies the descendant tree before declaring model memory released. A crashed worker becomes recoverable without making cleanup reckless.

Inference reliability includes the process lifecycle around the kernel.

Engineering fact: Lizard tracks process identity using PID plus start time so a recycled Windows PID is not mistaken for the old model process.

Read the relevant Lizard page

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