Github user JoshRosen commented on a diff in the pull request:
https://github.com/apache/spark/pull/2844#discussion_r19063287
--- Diff:
core/src/main/scala/org/apache/spark/broadcast/TorrentBroadcast.scala ---
@@ -156,6 +158,7 @@ private[spark] class TorrentBroadcast[T: ClassTag](
private def readObject(in: ObjectInputStream) {
in.defaultReadObject()
TorrentBroadcast.synchronized {
+ setConf(SparkEnv.get.conf)
--- End diff --
The conf is application-scoped. The same conf should be present on this
application's executors, where this task will be deserialized. This assumption
is used elsewhere, too.
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