missing Liveness Probe Failure Status and Readiness probe Failure Status metrics
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missing Liveness Probe Failure Status and Readiness probe Failure Status metrics

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Article ID: 441291

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Updated On:

Products

DX Application Performance Management

Issue/Introduction

 Looks like the "Liveness Probe Failure Status" and "Readiness Probe Failure Status" metrics are created only at the moment when the liveness or readiness probe fails (or i suppose so, but would like to ensure im right, because i havent found any info about this in the techdocs).

so not from the beginning=creating of the pod as all other metrics of the pod do/behave.
and because the metric is missing, we can't create a dashboard for it.
could you please fix it and create these metrics (with 0 value) since the creation of the pod?

tested with the latest UMA agent 26.4.1.25 (but with older versions as well).

Resolution

Yes those metrics are being created only when there were events with readyness,liveness,startup faiure message.
These are "Readiness Probe Failure Status, Liveness Probe Failure Status, Startup_probe_failure_staus" metrics are event-based metrics. 

Those metrics are created when there is any event has message with "Liveness probe failed, Readiness probe failed, Startup probe failed" with value 1 and reset to 0 when pod got ready. If there is no events with such message those metrics will not be created.

Additional Information

The Tech Doc refers to these metrics
Pod Performance Data

           Liveness Probe Failure Status

                Shows the liveness probe failure status for the pod. If the liveness probe fails for the pod, then the metric value is '1'. Otherwise, the liveness probe failure status metric value is '0'. This metric helps users to know the liveness probe failed status

          Readiness Probe Failure Status

             Shows the readiness probe failure status for the pod. If the readiness probe fails for the pod, then the metric value is '1'. Otherwise, the readiness probe failure status metric value is '0'. This metric helps users to know the readiness probe failed status.

These metrics are not there OOB. Whenever seeing any livenes/readiness probe failure events,  those metrics are created.