Github user tdas commented on a diff in the pull request:
https://github.com/apache/spark/pull/7796#discussion_r35962670
--- Diff:
external/kafka/src/main/scala/org/apache/spark/streaming/kafka/DirectKafkaInputDStream.scala
---
@@ -73,12 +73,19 @@ class DirectKafkaInputDStream[
protected val kc = new KafkaCluster(kafkaParams)
- protected val maxMessagesPerPartition: Option[Long] = {
- val ratePerSec = context.sparkContext.getConf.getInt(
+ private val ratePerSec: Int = context.sparkContext.getConf.getInt(
"spark.streaming.kafka.maxRatePerPartition", 0)
- if (ratePerSec > 0) {
+ protected def maxMessagesPerPartition: Option[Long] = {
+ val estimatedRate =
rateController.map(_.getLatestRate().toInt).getOrElse(-1)
--- End diff --
I am not getting this. How does this work? Unless you define a rate
controller in this class, wont it just inherit the InputDStream.rateController
which is None?
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