Liveness Probe

Problem

Your application process still exists. But it has deadlocked and can no longer make progress. From the operating system's perspective: Process running ✓ Application useful ✗

Solution — Liveness Probe

Periodically test whether the workload is still functioning sufficiently to remain alive. If it repeatedly fails, the orchestrator can restart it.
Core idea: liveness answers should this workload be restarted? Readiness answers should it receive traffic?