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[SPARK-53797] Improve performance of maxBytesPerTrigger for file stream sources #52515

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[SPARK-53797] Improve performance of maxBytesPerTrigger for file stream sources #52515

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3 changes: 1 addition & 2 deletions ...re/src/main/scala/org/apache/spark/sql/execution/streaming/runtime/FileStreamSource.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -149,8 +149,7 @@ class FileStreamSource(
var rSize = BigInt(0)
val lFiles = ArrayBuffer[NewFileEntry]()
val rFiles = ArrayBuffer[NewFileEntry]()
for (i <- files.indices) {
val file = files(i)
files.zipWithIndex.foreach { case (file, i) =>
val newSize = lSize + file.size
if (i == 0 || rFiles.isEmpty && newSize <= Long.MaxValue && newSize <= maxSize) {
lSize += file.size
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