Github user kayousterhout commented on a diff in the pull request:
https://github.com/apache/spark/pull/892#discussion_r13451548
--- Diff:
core/src/main/scala/org/apache/spark/scheduler/TaskSetManager.scala ---
@@ -54,8 +54,15 @@ private[spark] class TaskSetManager(
clock: Clock = SystemClock)
extends Schedulable with Logging
{
+ // Remember when this TaskSetManager is created
+ val creationTime = clock.getTime()
val conf = sched.sc.conf
+ // The period we wait for new executors to come up
+ // After this period, tasks in pendingTasksWithNoPrefs will be
considered as PROCESS_LOCAL
+ private val WAIT_NEW_EXEC_TIMEOUT =
conf.getLong("spark.scheduler.waitNewExecutorTime", 3000L)
--- End diff --
Is this something the application can just do: if it wants to wait 3
seconds before scheduling anything on non-local executors, just sleep for 3
seconds before trying to launch any jobs? I'm wary of adding more config
options to the scheduler.
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