Yikun commented on a change in pull request #35422:
URL: https://github.com/apache/spark/pull/35422#discussion_r800613065
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File path:
resource-managers/kubernetes/core/src/main/scala/org/apache/spark/deploy/k8s/Config.scala
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@@ -675,6 +676,20 @@ private[spark] object Config extends Logging {
.checkValue(value => value > 0, "Maximum number of pending pods should
be a positive integer")
.createWithDefault(Int.MaxValue)
+ val KUBERNETES_JOB_MIN_MEMORY =
ConfigBuilder("spark.kubernetes.job.min.memory")
+ .doc("The minimum memory for running the job, in MiB unless otherwise
specified. This only " +
+ "applicable when you enable `VolcanoFeatureStep` feature step in" +
Review comment:
> To enable the step one has to provide the fully qualified class name.
Would it be a good idea to use String interpolation and parameter
classOf[VolcanoFeatureStep].getName
Yep, this is a good idea.
> Since both KubernetesDriverConf and KubernetesExecutorConf may configure
their own instances of VolcanoFeatureStep then would this create two PodGroups ?
No, only created before driver pod started. see note in
[here](https://github.com/apache/spark/blob/f62b36c6d3964c40336959b129b284edb8097f61/resource-managers/kubernetes/core/src/main/scala/org/apache/spark/deploy/k8s/features/KubernetesFeatureConfigStep.scala#L73),
and pod group annotation is set in both driver and executor side.
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