HyukjinKwon commented on a change in pull request #30084:
URL: https://github.com/apache/spark/pull/30084#discussion_r507042357
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File path:
resource-managers/kubernetes/core/src/main/scala/org/apache/spark/deploy/k8s/features/MountVolumesFeatureStep.scala
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@@ -49,6 +49,11 @@ private[spark] class MountVolumesFeatureStep(conf:
KubernetesConf)
private def constructVolumes(
volumeSpecs: Iterable[KubernetesVolumeSpec]
): Iterable[(VolumeMount, Volume)] = {
+ val duplicateMountPaths =
volumeSpecs.map(_.mountPath).toSeq.groupBy(identity).collect {
+ case (x, ys) if ys.length > 1 => s"`$x`"
+ }
+ require(duplicateMountPaths.isEmpty,
+ s"Found duplicated mountPath: ${duplicateMountPaths.mkString(",")}")
Review comment:
I would add one space at `mkString(",")`: `mkString(", ")`
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