Github user markhamstra commented on a diff in the pull request:
https://github.com/apache/spark/pull/63#discussion_r10244446
--- Diff:
core/src/main/scala/org/apache/spark/scheduler/cluster/CoarseGrainedSchedulerBackend.scala
---
@@ -125,14 +126,17 @@ class CoarseGrainedSchedulerBackend(scheduler:
TaskSchedulerImpl, actorSystem: A
// Make fake resource offers on all executors
def makeOffers() {
- launchTasks(scheduler.resourceOffers(
- executorHost.toArray.map {case (id, host) => new WorkerOffer(id,
host, freeCores(id))}))
+ // reconstruct workerOffers
+ workerOffers.foreach(o => workerOffers(o._1) =
+ new WorkerOffer(o._1, o._2.host, freeCores(o._1)))
--- End diff --
Now that WorkerOffer is a case class, you can do this and the one in
makeOffers with the copy idiom:
```scala
workerOffers.keys.foreach { executorId =>
workerOffers(executorId) = workerOffers(executorId).copy(cores =
freeCores(executorId))
}
```
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