Github user squito commented on a diff in the pull request:
https://github.com/apache/spark/pull/15505#discussion_r95433750
--- Diff:
core/src/main/scala/org/apache/spark/scheduler/TaskDescription.scala ---
@@ -52,7 +55,36 @@ private[spark] class TaskDescription(
val addedFiles: Map[String, Long],
val addedJars: Map[String, Long],
val properties: Properties,
- val serializedTask: ByteBuffer) {
+ private var serializedTask_ : ByteBuffer,
+ private var task_ : Task[_] = null) extends Logging {
--- End diff --
@kayousterhout I like that idea, but I took a brief look at how much would
have to change, and its a ton of changes, since now
`TaskSchedulerImpl.resourceOffers` would be returning `TaskDescription`s and
`Task`s, which then leads to small changes in a lot more places. I'm torn,
but inclined to agree with @witgo
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