Yikun commented on a change in pull request #35215:
URL: https://github.com/apache/spark/pull/35215#discussion_r790218477



##########
File path: 
resource-managers/kubernetes/core/src/main/scala/org/apache/spark/scheduler/cluster/k8s/KubernetesClusterSchedulerBackend.scala
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@@ -76,13 +76,12 @@ private[spark] class KubernetesClusterSchedulerBackend(
 
   private def setUpExecutorConfigMap(driverPod: Option[Pod]): Unit = {
     val configMapName = KubernetesClientUtils.configMapNameExecutor
-    val resolvedExecutorProperties =
-      Map(KUBERNETES_NAMESPACE.key -> conf.get(KUBERNETES_NAMESPACE))
     val confFilesMap = KubernetesClientUtils

Review comment:
       Thanks for clarify, the Kubernetes allow any key as configmap key (even 
if the key name is 'namespace'), So I think any key put in configmap should be 
covert to the real configmap.key rather than do some hack and special process 
to occupy any user potential input.
   
   
   If we just need to set executor separately, I guess what we real needed is 
introducing a new conf like `spark.k8s.executor.configmap.namespace` otherwise 
back to `spark.k8s.namespace` directly.
   
   
   And I also didn't see any problem if we just use conf.namespace like this PR 
done. Could you explain some If you have any other concern?




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