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What is a liveness probe?

Sumit Rawal answered on February 18, 2023 Popularity 8/10 Helpfulness 1/10

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  • What is a liveness probe?

    0

    A liveness probe is a diagnostic check that determines if a container is running properly. If a container fails the liveness probe, Kubernetes will restart the container, attempting to resolve the issue. 

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    Contributed on May 13 2023
    Sumit Rawal
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     a liveness probe tells Kubernetes if a Pod needs to be replaced and a readiness probe tells Kubernetes if its Pod is ready to accept requests. To simplify this work, Spring Boot has added support for implementing liveness and readiness probes. The probes are exposed on the URLs /actuator/health/liveness and /actuator/health/readiness. They can either be declared by configuration or implementation in source code, if increased control is required compared to what configuration gives. When declaring the probes by configuration, a health group can be declared for each probe specifying what existing health indicators it should include. For example, a readiness probe should report DOWN if a microservice can't access its MongoDB database. In this case, the health group for the readiness probe should include the mongo health indicator

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    Contributed on Feb 18 2023
    Pragya Keshap
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