Github user aarondav commented on a diff in the pull request:
https://github.com/apache/spark/pull/3029#discussion_r19702297
--- Diff:
core/src/main/scala/org/apache/spark/scheduler/TaskSetManager.scala ---
@@ -521,6 +529,51 @@ private[spark] class TaskSetManager(
sched.dagScheduler.taskGettingResult(info)
}
+ private def progressBar(curr: Int, total: Int): Unit = {
+ val now = clock.getTime()
+ // Only update title once in one second
+ if (now - lastUpdate < 100 && curr < total) {
+ return
+ }
+ lastUpdate = now
+
+ // show progress in title
+ if (Terminal.getTerminal.isANSISupported) {
+ val ESC = "\033"
+ val title = if (curr < total) {
+ s"Spark Job: $curr/$total Finished, $runningTasks are running"
+ } else {
+ s"Spark Job: Finished in ${Utils.msDurationToString(now -
startTime)}"
+ }
+ console.printf(s"$ESC]0; $title \007")
+ }
+
+ // show one line progress bar
+ if (!log.isInfoEnabled) {
+ if (curr < total) {
+ val header = s"Stage $stageId: ["
+ val tailer = s"] $curr+$runningTasks/$total -
${Utils.msDurationToString(now - startTime)}"
+ val width = Terminal.getTerminal.getTerminalWidth - header.size -
tailer.size
+ val percent = curr * width / total;
+ val bar = (0 until width).map { i =>
+ if (i < percent) "=" else if (i==percent) ">" else " "
+ }.mkString("")
+ console.printf("\r" + header + bar + tailer)
--- End diff --
I'm not familiar with the finer points of console, but does this overwrite
the last log line? Or would it do so if the last log line was `print`'d instead
of `println`'d?
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