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DevOps & Automation · Advanced

Startup Probe

A Kubernetes probe for slow-starting containers that disables liveness and readiness checks until it succeeds.

Definition

Startup probes prevent liveness probes from killing applications that take a long time to initialize. failureThreshold x periodSeconds sets the maximum startup time.

Example

startupProbe with failureThreshold: 30 and periodSeconds: 10 allows up to 300 seconds to start.

Exam tip

Use startup probes rather than very long liveness initialDelaySeconds.

Related terms