Github user bomeng commented on a diff in the pull request:
https://github.com/apache/spark/pull/21638#discussion_r202907829
--- Diff:
core/src/main/scala/org/apache/spark/input/PortableDataStream.scala ---
@@ -47,7 +47,7 @@ private[spark] abstract class StreamFileInputFormat[T]
def setMinPartitions(sc: SparkContext, context: JobContext,
minPartitions: Int) {
val defaultMaxSplitBytes =
sc.getConf.get(config.FILES_MAX_PARTITION_BYTES)
val openCostInBytes = sc.getConf.get(config.FILES_OPEN_COST_IN_BYTES)
- val defaultParallelism = sc.defaultParallelism
+ val defaultParallelism = Math.max(sc.defaultParallelism, minPartitions)
--- End diff --
you need to pass in the minPartitions to use this method, what do you mean
minParititions is not set?
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