Github user ericl commented on a diff in the pull request: https://github.com/apache/spark/pull/13382#discussion_r71262912 --- Diff: core/src/main/scala/org/apache/spark/storage/DiskBlockObjectWriter.scala --- @@ -46,102 +46,145 @@ private[spark] class DiskBlockObjectWriter( extends OutputStream with Logging { + /** + * Guards against close calls, e.g. from a wrapping stream. + * Call manualClose to close the stream that was extended by this trait. --- End diff -- Could you also update the class-level comment to note the commit-and-resume behavior?
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