Github user davies commented on a diff in the pull request:
https://github.com/apache/spark/pull/2933#discussion_r19377630
--- Diff: core/src/main/scala/org/apache/spark/scheduler/DAGScheduler.scala
---
@@ -124,6 +123,10 @@ class DAGScheduler(
/** If enabled, we may run certain actions like take() and first()
locally. */
private val localExecutionEnabled =
sc.getConf.getBoolean("spark.localExecution.enabled", false)
+ /** Broadcast the serialized tasks only when they are bigger than it */
+ private val broadcastTaskMinSize =
+ sc.getConf.getInt("spark.scheduler.broadcastTaskMinSize", 8) * 1024
--- End diff --
I think it's better to keep this internal, it's a tradeoff between 1.0 and
1.1, most of the users do need to touch this.
We could document it later if user really need it.
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