Github user rxin commented on a diff in the pull request:
https://github.com/apache/spark/pull/11748#discussion_r56284289
--- Diff:
core/src/main/scala/org/apache/spark/scheduler/TaskResultGetter.scala ---
@@ -81,8 +81,9 @@ private[spark] class TaskResultGetter(sparkEnv: SparkEnv,
scheduler: TaskSchedul
taskSetManager, tid, TaskState.FINISHED, TaskResultLost)
return
}
+ // TODO(josh): assumption that there is only one chunk here
is a hack
val deserializedResult =
serializer.get().deserialize[DirectTaskResult[_]](
- serializedTaskResult.get)
+ serializedTaskResult.get.getChunks().head)
--- End diff --
i guess it is because on the write side we enforced it
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