Github user tdas commented on a diff in the pull request:
https://github.com/apache/spark/pull/3868#discussion_r23708402
--- Diff:
streaming/src/main/scala/org/apache/spark/streaming/scheduler/JobGenerator.scala
---
@@ -93,27 +93,13 @@ class JobGenerator(jobScheduler: JobScheduler) extends
Logging {
if (processReceivedData) {
logInfo("Stopping JobGenerator gracefully")
- val timeWhenStopStarted = System.currentTimeMillis()
- val stopTimeout = conf.getLong(
- "spark.streaming.gracefulStopTimeout",
- 10 * ssc.graph.batchDuration.milliseconds
- )
- val pollTime = 100
-
- // To prevent graceful stop to get stuck permanently
- def hasTimedOut = {
- val timedOut = System.currentTimeMillis() - timeWhenStopStarted >
stopTimeout
- if (timedOut) {
- logWarning("Timed out while stopping the job generator (timeout
= " + stopTimeout + ")")
- }
- timedOut
- }
+
// Wait until all the received blocks in the network input tracker
has
// been consumed by network input DStreams, and jobs have been
generated with them
logInfo("Waiting for all received blocks to be consumed for job
generation")
- while(!hasTimedOut &&
jobScheduler.receiverTracker.hasUnallocatedBlocks) {
- Thread.sleep(pollTime)
+ while (jobScheduler.receiverTracker.hasUnallocatedBlocks) {
+ Thread.sleep(100)
--- End diff --
Please unify both the 100 in this function into a single variable, called
pollInterval
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