Github user oliviertoupin commented on a diff in the pull request:
https://github.com/apache/spark/pull/18672#discussion_r130169031
--- Diff:
external/kafka-0-10/src/main/scala/org/apache/spark/streaming/kafka010/DirectKafkaInputDStream.scala
---
@@ -130,8 +130,15 @@ private[spark] class DirectKafkaInputDStream[K, V](
offsets: Map[TopicPartition, Long]): Option[Map[TopicPartition, Long]]
= {
val estimatedRateLimit = rateController.map(_.getLatestRate())
+ // TODO: Fix in rate controller (need SparkConf or initial rate member
value)
+ // Fix: Rate controller first value is -1, if -1 return use the
default rate
+ val fixedEstimatedRateLimit = estimatedRateLimit match {
--- End diff --
Not so much of a hack, but limit reusability. The best place would be
directly in the RateEstimator, but we don't have access to the
"spark.streaming.backpressure.initialRate".
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