Github user andrewor14 commented on a diff in the pull request:
https://github.com/apache/spark/pull/11791#discussion_r57401356
--- Diff:
core/src/main/scala/org/apache/spark/storage/memory/MemoryStore.scala ---
@@ -544,3 +645,81 @@ private[storage] class PartiallyUnrolledIterator[T](
iter = null
}
}
+
+/**
+ * A wrapper which allows an open [[OutputStream]] to be redirected to a
different sink.
+ */
+private class RedirectableOutputStream extends OutputStream {
+ private[this] var os: OutputStream = _
+ def setOutputStream(s: OutputStream): Unit = { os = s }
--- End diff --
Do we need a whole new class for this? Can we just write (failed stream +
the rest of input stream) to the file when we drop it to disk?
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