System Design · Middle · Question 69 of 75

How do liveness and readiness probes differ?

✓Correct answer: Liveness says whether to restart a stuck instance; readiness says whether it should receive traffic right now
2They're the same check
3Readiness checks the database schema

Explanation

During startup or a dependency outage, an instance can be alive but not ready; restarting it wouldn't help.

Further reading

Kubernetes: Liveness, Readiness and Startup Probes ↗

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