Github user tdas commented on a diff in the pull request:
https://github.com/apache/spark/pull/13718#discussion_r67442124
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/StreamExecution.scala
---
@@ -190,6 +193,8 @@ class StreamExecution(
runBatch()
// We'll increase currentBatchId after we complete processing
current batch's data
currentBatchId += 1
+ } else {
+ Thread.sleep(pollingDelayMs)
--- End diff --
Wasnt the intention that it will poll as fast as possible as long as there
is data, and introduce delay only when there is a batch with no data?
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