dongjoon-hyun commented on code in PR #42710:
URL: https://github.com/apache/spark/pull/42710#discussion_r1308078497
##########
resource-managers/kubernetes/core/src/main/scala/org/apache/spark/deploy/k8s/features/VolcanoFeatureStep.scala:
##########
@@ -46,7 +46,7 @@ private[spark] class VolcanoFeatureStep extends
KubernetesDriverCustomFeatureCon
"for executor.")
return Seq.empty
}
- val client = new DefaultVolcanoClient
+ lazy val client = new DefaultVolcanoClient
val template = kubernetesConf.getOption(POD_GROUP_TEMPLATE_FILE_KEY)
val pg = template.map(client.podGroups.load(_).item).getOrElse(new
PodGroup())
Review Comment:
When `template` configuration is not given, Apache Spark will not create
`DefaultVolcanoClient`
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