HeartSaVioR commented on a change in pull request #25943:
[WIP][SPARK-29261][SQL][CORE] Support recover live entities from KVStore for
(SQL)AppStatusListener
URL: https://github.com/apache/spark/pull/25943#discussion_r331386830
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File path: core/src/main/scala/org/apache/spark/status/AppStatusListener.scala
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@@ -103,6 +104,81 @@ private[spark] class AppStatusListener(
}
}
+ // visible for tests
+ private[spark] def recoverLiveEntities(): Unit = {
+ if (!live) {
+ kvstore.view(classOf[JobDataWrapper])
+ .asScala.filter(_.info.status == JobExecutionStatus.RUNNING)
+ .map(_.toLiveJob).foreach(job => liveJobs.put(job.jobId, job))
+
+ kvstore.view(classOf[StageDataWrapper]).asScala
+ .filter { stageData =>
+ stageData.info.status == v1.StageStatus.PENDING ||
+ stageData.info.status == v1.StageStatus.ACTIVE
+ }
+ .map { stageData =>
+ val stageId = stageData.info.stageId
+ val jobs = liveJobs.values.filter(_.stageIds.contains(stageId)).toSeq
+ stageData.toLiveStage(jobs)
+ }.foreach { stage =>
+ val stageId = stage.info.stageId
+ val stageAttempt = stage.info.attemptNumber()
+ liveStages.put((stageId, stageAttempt), stage)
Review comment:
Define `stageKey`, and reuse the key for all places in this method.
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