Github user mateiz commented on a diff in the pull request:
https://github.com/apache/spark/pull/1498#discussion_r15567030
--- Diff: core/src/main/scala/org/apache/spark/util/Utils.scala ---
@@ -57,6 +57,12 @@ private[spark] object Utils extends Logging {
new File(sparkHome + File.separator + "bin", which + suffix)
}
+ /** Serialize an object using the closure serializer. */
+ def serializeTaskClosure[T: ClassTag](o: T): Array[Byte] = {
+ val ser = SparkEnv.get.closureSerializer.newInstance()
--- End diff --
We could also save an instance of the closure serializer in DAGScheduler
instead, since it executes everything in one thread. Probably not a big deal
though but it's something to consider if you're refactoring this code.
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