Github user tgravescs commented on a diff in the pull request:
https://github.com/apache/spark/pull/10154#discussion_r49734086
--- Diff: core/src/main/scala/org/apache/spark/ui/exec/ExecutorsPage.scala
---
@@ -114,9 +114,38 @@ private[ui] class ExecutorsPage(
/** Render an HTML row representing an executor */
private def execRow(info: ExecutorSummary, logsExist: Boolean):
Seq[Node] = {
+ // When GCTimePercent is edited change ToolTips.TASK_TIME to match
+ val GCTimePercent = 0.1
+
val maximumMemory = info.maxMemory
val memoryUsed = info.memoryUsed
val diskUsed = info.diskUsed
+
+ // Determine Color Opacity from 0.5-1
+ // activeTasks range from 0 to all cores
+ val activeTasksAlpha =
+ if (info.totalCores > 0) {
+ (info.activeTasks.toDouble / info.totalCores) * 0.5 + 0.5
--- End diff --
So this isn't taking into account that a task could use more then one core
via the spark.task.cpus configuration.
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