Github user JoshRosen commented on a diff in the pull request:
https://github.com/apache/spark/pull/5622#discussion_r28989398
--- Diff:
core/src/main/scala/org/apache/spark/util/collection/ExternalSorter.scala ---
@@ -736,11 +734,16 @@ private[spark] class ExternalSorter[K, V, C](
val writeStartTime = System.nanoTime
util.Utils.tryWithSafeFinally {
for (i <- 0 until numPartitions) {
- val in = new
FileInputStream(partitionWriters(i).fileSegment().file)
- util.Utils.tryWithSafeFinally {
- lengths(i) = org.apache.spark.util.Utils.copyStream(in, out,
false, transferToEnabled)
- } {
- in.close()
+ val file = partitionWriters(i).fileSegment().file
+ if (!file.exists()) {
+ lengths(i) = 0
+ } else {
+ val in = new FileInputStream(file)
+ util.Utils.tryWithSafeFinally {
--- End diff --
This was a carryover from the old code, but I can fix this up.
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