Answer
Pods oscillate Ready/NotReady causing upstream retries and cascading failures.
Quick Answer
If a readiness probe is too strict (fails during startup, uses wrong endpoint, wrong port), Pods never become ready — traffic never reaches them. The Service endpoint list empties. Worse, if it flaps intermittently, the Service constantly adds and removes endpoints, causing connection errors. Always test readiness probes in isolation before deploying.
S
SugharaIQ Editorial Team
Verified Answer
This answer has been peer-reviewed by industry experts holding senior engineering roles to ensure technical accuracy and relevance for modern interview standards.
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Source: SugharaIQ