cloud-fan commented on a change in pull request #19788: [SPARK-9853][Core]
Optimize shuffle fetch of contiguous partition IDs
URL: https://github.com/apache/spark/pull/19788#discussion_r242524773
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File path: core/src/main/scala/org/apache/spark/MapOutputTracker.scala
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@@ -280,10 +282,27 @@ private[spark] abstract class MapOutputTracker(conf:
SparkConf) extends Logging
}
}
+ protected def supportsContinuousBlockBatchFetch(serializerRelocatable:
Boolean): Boolean = {
+ if (!conf.getBoolean("spark.shuffle.continuousBlockBatchFetch", true)) {
Review comment:
it's only used in core module, we can define it in
`org.apache.spark.internal.config`
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