Hi Kristopher

I believe that heartbeat between driver and executors works traditionally
on k8s. spark.kubernetes.executor.missingPodDetectDelta works on executor
lifecycle.

When a registered executor’s POD is missing from the Kubernetes API
server’s polled list of PODs then this delta time is taken as the accepted
time difference between the registration time and the time of the polling.
After this time the POD is considered missing from the cluster and the
executor will be removed.

Best,
Qian

Kristopher Kane <kkane.l...@gmail.com> 于2022年10月14日周五 01:38写道:

> Due to settings like,
> "spark.kubernetes.executor.missingPodDetectDelta" I've begun to wonder
> about heartbeats on Kubernetes.
>
> Do executors still conduct the traditional heartbeat to the driver
> when run on Kubernetes?
>
> Thanks,
>
> Kris
>
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Best!
Qian SUN

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