Github user CodingCat commented on a diff in the pull request:
https://github.com/apache/spark/pull/214#discussion_r11102737
--- Diff:
core/src/main/scala/org/apache/spark/scheduler/cluster/mesos/MesosSchedulerBackend.scala
---
@@ -62,6 +65,30 @@ private[spark] class MesosSchedulerBackend(
var classLoader: ClassLoader = null
+ val serializeWorkerPool = Utils.newDaemonFixedThreadPool(
+ scheduler.sc.conf.getInt("spark.scheduler.task.serialize.threads", 4),
"task-serialization")
+
+ val env = SparkEnv.get
+ protected val serializer = new ThreadLocal[SerializerInstance] {
+ override def initialValue(): SerializerInstance = {
+ env.closureSerializer.newInstance()
+ }
+ }
+
+ class TaskMesosSerializedRunner(taskNoSer: TaskDescWithoutSerializedTask,
--- End diff --
I just noticed that @mridulm proposed the same thing in his last comment, I
think it will be great if we can do in that way
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