Github user mridulm commented on a diff in the pull request:
https://github.com/apache/spark/pull/159#discussion_r10647093
--- Diff:
core/src/main/scala/org/apache/spark/scheduler/TaskSetManager.scala ---
@@ -59,6 +59,15 @@ private[spark] class TaskSetManager(
// CPUs to request per task
val CPUS_PER_TASK = conf.getInt("spark.task.cpus", 1)
+ /*
+ * Sometimes if an executor is dead or in an otherwise invalid state,
the driver
+ * does not realize right away leading to repeated task failures. If
enabled,
+ * this temporarily prevents a task from re-launching on an executor
where
+ * it just failed.
+ */
+ private[this] val EXECUTOR_TASK_BLACKLIST_TIMEOUT =
+ conf.getLong("spark.task.executorBlacklistTimeout", 0L)
--- End diff --
This was @markhamstra 's recommendation - private[this] as better than
private.
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