Github user kayousterhout commented on a diff in the pull request:
https://github.com/apache/spark/pull/3009#discussion_r20665341
--- Diff:
core/src/main/scala/org/apache/spark/ui/jobs/JobProgressListener.scala ---
@@ -214,6 +264,14 @@ class JobProgressListener(conf: SparkConf) extends
SparkListener with Logging {
val stages = poolToActiveStages.getOrElseUpdate(poolName, new
HashMap[Int, StageInfo])
stages(stage.stageId) = stage
+
+ for (
+ activeJobsDependentOnStage <-
stageIdToActiveJobIds.get(stage.stageId);
+ jobId <- activeJobsDependentOnStage;
+ jobData <- jobIdToData.get(jobId)
+ ) {
+ jobData.numActiveStages += 1
+ }
--- End diff --
Ok I realized what this is (the apparent-hang behavior we discussed) -- but
it would be great to add a comment somewhere describing this (maybe in
JobUIData, explaining why completedStages is a set?)
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