Github user CodingCat commented on a diff in the pull request:
https://github.com/apache/spark/pull/214#discussion_r11102691
--- 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 --
Is it possible to merge TaskMesosSerializedRunner and
TaskCGSerializedRunner in the same class, or at least declare them in the same
source file, so that we don't need to walk through multiple files in future
updates?
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