aaruna commented on a change in pull request #33563:
URL: https://github.com/apache/spark/pull/33563#discussion_r678749920
##########
File path:
resource-managers/kubernetes/core/src/main/scala/org/apache/spark/scheduler/cluster/k8s/ExecutorPodsPollingSnapshotSource.scala
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@@ -55,14 +56,17 @@ private[spark] class ExecutorPodsPollingSnapshotSource(
private class PollRunnable(applicationId: String) extends Runnable {
override def run(): Unit = Utils.tryLogNonFatalError {
logDebug(s"Resynchronizing full executor pod state from Kubernetes.")
- snapshotsStore.replaceSnapshot(kubernetesClient
+ val pods = kubernetesClient
.pods()
.withLabel(SPARK_APP_ID_LABEL, applicationId)
.withLabel(SPARK_ROLE_LABEL, SPARK_POD_EXECUTOR_ROLE)
.withoutLabel(SPARK_EXECUTOR_INACTIVE_LABEL, "true")
- .list()
- .getItems
- .asScala.toSeq)
+ val list = if
(conf.get(KUBERNETES_EXECUTOR_API_POLLING_WITH_RESOURCE_VERSION)) {
+ pods.list(new ListOptionsBuilder().withResourceVersion("0").build())
+ } else {
+ pods.list()
+ }
+ snapshotsStore.replaceSnapshot(list.getItems.asScala.toSeq)
Review comment:
> Would it make sense to check the snapShot resource verison returned
and only replace if it's newer than the previous snapShot?
+1 to doing this so that setting this to `true` will still not affect Spark
if a given k8s-api-server is catching up to latest state from etcd.
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