Github user zsxwing commented on a diff in the pull request:
https://github.com/apache/spark/pull/3032#discussion_r19705166
--- Diff:
core/src/main/scala/org/apache/spark/storage/ShuffleBlockFetcherIterator.scala
---
@@ -313,14 +319,30 @@ object ShuffleBlockFetcherIterator {
}
/**
- * Result of a fetch from a remote block. A failure is represented as
size == -1.
+ * Result of a fetch from a remote block.
+ */
+ trait FetchResult {
--- End diff --
I added sealed to these classes since they are only used in this file.
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