Github user tdas commented on a diff in the pull request:
https://github.com/apache/spark/pull/5414#discussion_r28041754
--- Diff:
streaming/src/main/scala/org/apache/spark/streaming/scheduler/JobScheduler.scala
---
@@ -135,9 +136,13 @@ class JobScheduler(val ssc: StreamingContext) extends
Logging {
private def handleJobStart(job: Job) {
val jobSet = jobSets.get(job.time)
if (!jobSet.hasStarted) {
+ jobSet.handleJobStart(job)
--- End diff --
How about
```
val isFirstJobOfJobSet = !jobSet.hasStarted
jobSet.handleJobStart(job)
if (isFirstJobOfJobSet) {
listenerBus.post(StreamingListenerBatchStarted(jobSet.toBatchInfo))
}
```
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