Github user vanzin commented on a diff in the pull request: https://github.com/apache/spark/pull/16801#discussion_r122326702 --- Diff: core/src/main/scala/org/apache/spark/ui/jobs/JobProgressListener.scala --- @@ -234,7 +234,6 @@ class JobProgressListener(conf: SparkConf) extends SparkListener with Logging { } for (stageId <- jobData.stageIds) { stageIdToActiveJobIds.get(stageId).foreach { jobsUsingStage => - jobsUsingStage.remove(jobEnd.jobId) --- End diff -- I understand the issue, but now you're creating a memory leak, since these mappings will never be removed, right? Which will also cause the condition in the next line to never trigger, causing a memory leak in a different map too.
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