Github user koeninger commented on a diff in the pull request:
https://github.com/apache/spark/pull/14026#discussion_r69829009
--- Diff:
external/kafka-0-10/src/main/scala/org/apache/spark/streaming/kafka010/ConsumerStrategy.scala
---
@@ -79,8 +81,71 @@ private case class Subscribe[K, V](
def onStart(currentOffsets: ju.Map[TopicPartition, jl.Long]):
Consumer[K, V] = {
val consumer = new KafkaConsumer[K, V](kafkaParams)
consumer.subscribe(topics)
- if (currentOffsets.isEmpty) {
- offsets.asScala.foreach { case (topicPartition, offset) =>
+ val toSeek = if (currentOffsets.isEmpty) {
+ offsets
+ } else {
+ currentOffsets
+ }
+ if (!toSeek.isEmpty) {
+ // work around KAFKA-3370 when reset is none
--- End diff --
Sure, will add comment in the code once I'm back at my workstation.
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