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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