deshanxiao commented on a change in pull request #23637:
[SPARK-26714][CORE][WEBUI] Show 0 partition job in WebUI
URL: https://github.com/apache/spark/pull/23637#discussion_r250939993
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File path: core/src/main/scala/org/apache/spark/ui/jobs/StagePage.scala
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@@ -857,8 +857,13 @@ private[spark] object ApiHelper {
}
def lastStageNameAndDescription(store: AppStatusStore, job: JobData):
(String, String) = {
- val stage = store.asOption(store.stageAttempt(job.stageIds.max, 0)._1)
- (stage.map(_.name).getOrElse(""),
stage.flatMap(_.description).getOrElse(job.name))
+ // Some jobs have only 0 partition.
+ if (job.stageIds.isEmpty) {
+ ("", "This job has 0 partition")
Review comment:
Er....You are right. It's really not appropriate. It's last stage name in a
job not a job name. But in this case, We don't have any stage. I think the most
suitable name is the `callsite` of running job.
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