Github user vanzin commented on a diff in the pull request:
https://github.com/apache/spark/pull/20474#discussion_r165712466
--- Diff:
core/src/main/scala/org/apache/spark/status/api/v1/ApiRootResource.scala ---
@@ -83,6 +83,8 @@ private[spark] trait UIRoot {
def getApplicationInfoList: Iterator[ApplicationInfo]
def getApplicationInfo(appId: String): Option[ApplicationInfo]
+ def executorThreadDumpsNotAvailableError(): Option[Response] = None
--- End diff --
This feels a little odd. You could instead have a `def threadDump(...):
Response` method and have the implementation of it be in each `UIRoot`
implementation, instead of in the resource class. I think I prefer that a
little bit more over this.
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