Github user vanzin commented on a diff in the pull request:
https://github.com/apache/spark/pull/20474#discussion_r165504275
--- Diff:
core/src/main/scala/org/apache/spark/status/api/v1/OneApplicationResource.scala
---
@@ -51,6 +52,21 @@ private[v1] class AbstractApplicationResource extends
BaseAppResource {
@Path("executors")
def executorList(): Seq[ExecutorSummary] =
withUI(_.store.executorList(true))
+ @GET
+ @Path("executors/{executorId}/threads")
+ def threadDump(@PathParam("executorId") executorId: String):
+ Option[Array[ThreadStackTrace]] = withUI { ui =>
+ val safeExecutorId =
+ Option(UIUtils.stripXSS(executorId)).map { executorId =>
+ UIUtils.decodeURLParameter(executorId)
+ }.getOrElse {
+ throw new IllegalArgumentException(s"Missing executorId parameter")
+ }
+ ui.sc.flatMap { sc =>
--- End diff --
Should an error be thrown if this is called in a replayed app?
GONE/410 sounds like the most appropriate.
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