Github user mccheah commented on a diff in the pull request: https://github.com/apache/spark/pull/22323#discussion_r215456606 --- Diff: resource-managers/kubernetes/core/src/main/scala/org/apache/spark/deploy/k8s/features/LocalDirsFeatureStep.scala --- @@ -45,6 +47,10 @@ private[spark] class LocalDirsFeatureStep( new VolumeBuilder() .withName(s"spark-local-dir-${index + 1}") .withNewEmptyDir() + .withMedium(useLocalDirTmpFs match { + case true => "Memory" // Use tmpfs --- End diff -- Think we shouldn't use `case true... false` - can instead do this: ``` .withNewEmptyDir().withMedium(if (useLocalDirTmpFs) "Memory" else null)... ```
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