Github user galv commented on a diff in the pull request:

    https://github.com/apache/spark/pull/21511#discussion_r193945389
  
    --- Diff: 
resource-managers/kubernetes/core/src/main/scala/org/apache/spark/deploy/k8s/features/BasicExecutorFeatureStep.scala
 ---
    @@ -172,7 +184,7 @@ private[spark] class BasicExecutorFeatureStep(
             .addToImagePullSecrets(kubernetesConf.imagePullSecrets(): _*)
             .endSpec()
           .build()
    -    SparkPod(executorPod, containerWithLimitCores)
    +    SparkPod(executorPod, containerWithLimitGpus)
    --- End diff --
    
    What if you want to request both GPU's and another resource (e.g., FPGA's) 
for your executors? You'd have to hard-code chain another optional map like you 
did in the pull requests. Your current code does not pave a good path forward 
to requesting other types of resources.



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