viirya commented on a change in pull request #32564:
URL: https://github.com/apache/spark/pull/32564#discussion_r633253959
##########
File path:
resource-managers/kubernetes/core/src/main/scala/org/apache/spark/deploy/k8s/Config.scala
##########
@@ -70,6 +70,15 @@ private[spark] object Config extends Logging {
.booleanConf
.createWithDefault(false)
+ val KUBERNETES_DRIVER_REUSE_PVC =
+ ConfigBuilder("spark.kubernetes.driver.reusePersistentVolumeClaim")
+ .doc("If true, driver pod tries to reuse driver-owned on-demand
persistent volume claims " +
+ "of the deleted executor pods. This can be useful to reduce executor
pod creation delay. " +
+ s"This requires ${KUBERNETES_DRIVER_OWN_PVC.key}=true.")
Review comment:
Should we add more description? For example, like the description, the
PVC of removed executors may not be returned immediately, so it is possibly new
PVC will still be created.
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