ulysses-you commented on a change in pull request #33079:
URL: https://github.com/apache/spark/pull/33079#discussion_r659609509
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/ShuffledRowRDD.scala
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@@ -32,7 +32,16 @@ sealed trait ShufflePartitionSpec
// `endReducerIndex` (exclusive).
case class CoalescedPartitionSpec(
startReducerIndex: Int,
- endReducerIndex: Int) extends ShufflePartitionSpec
+ endReducerIndex: Int,
+ @transient dataSize: Option[Long] = None) extends ShufflePartitionSpec
Review comment:
data size in normal code path (without AQE) is unknown. `ShuffledRowRDD`:
```
def this(
dependency: ShuffleDependency[Int, InternalRow, InternalRow],
metrics: Map[String, SQLMetric]) = {
this(dependency, metrics,
Array.tabulate(dependency.partitioner.numPartitions)(i =>
CoalescedPartitionSpec(i, i + 1)))
}
```
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