zhengruifeng commented on code in PR #53867:
URL: https://github.com/apache/spark/pull/53867#discussion_r2707459675
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sql/core/src/main/scala/org/apache/spark/sql/execution/python/PythonArrowOutput.scala:
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@@ -75,6 +75,9 @@ private[python] trait PythonArrowOutput[OUT <: AnyRef] {
self: BasePythonRunner[
private var processor: ArrowOutputProcessor = _
context.addTaskCompletionListener[Unit] { _ =>
+ if (processor != null) {
+ processor.close()
Review Comment:
Before this fix, `processor.close()` is only called at EOS.
When the EOS is not reached, `allocator.close()` here will raise memory leak
failure
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