AngersZhuuuu commented on a change in pull request #27988:
URL: https://github.com/apache/spark/pull/27988#discussion_r452574212
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File path: core/src/test/scala/org/apache/spark/rdd/RDDSuite.scala
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@@ -1298,18 +1298,18 @@ class SizeBasedCoalescer(val maxSize: Int) extends
PartitionCoalescer with Seria
val splitSize = fileSplit.getLength
if (currentSum + splitSize < maxSize) {
addPartition(partition, splitSize)
- index += 1
- if (index == partitions.size) {
- updateGroups
- }
} else {
- if (currentGroup.partitions.size == 0) {
+ if (currentGroup.partitions.isEmpty) {
addPartition(partition, splitSize)
- index += 1
} else {
- updateGroups
Review comment:
> can you point out which line/lines cause the bug?
In the pr description I have show the case this bug happen. Not one line or
some lines cause this error.
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