Github user kayousterhout commented on a diff in the pull request:
https://github.com/apache/spark/pull/5843#discussion_r30205921
--- Diff: core/src/main/scala/org/apache/spark/ui/jobs/StagePage.scala ---
@@ -460,25 +493,219 @@ private[ui] class StagePage(parent: StagesTab)
extends WebUIPage("stage") {
dagViz ++
maybeExpandDagViz ++
showAdditionalMetrics ++
+ makeTimeline(stageData.taskData.values.toSeq, currentTime) ++
<h4>Summary Metrics for {numCompleted} Completed Tasks</h4> ++
<div>{summaryTable.getOrElse("No tasks have reported metrics
yet.")}</div> ++
<h4>Aggregated Metrics by Executor</h4> ++ executorTable.toNodeSeq
++
maybeAccumulableTable ++
<h4>Tasks</h4> ++ taskTable
-
UIUtils.headerSparkPage(stageHeader, content, parent,
showVisualization = true)
}
}
+ def makeTimeline(tasks: Seq[TaskUIData], currentTime: Long): Seq[Node] =
{
+ val executorsSet = new HashSet[(String, String)]
+ var minLaunchTime = Long.MaxValue
+ var maxFinishTime = Long.MinValue
+ var numEffectiveTasks = 0
+
+ val executorsArrayStr = tasks.filter { taskUIData =>
+ val taskInfo = taskUIData.taskInfo
+ taskInfo.successful || taskInfo.running || taskInfo.failed
+ }.sortWith { (uiDataL, uiDataR) =>
--- End diff --
Also I think you can simplify lines 515-522 by changing line 515 to
"}.sortBy(_.taskInfo.launchTime)"
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