Github user xguo27 commented on a diff in the pull request:
https://github.com/apache/spark/pull/9603#discussion_r44728655
--- Diff: core/src/main/scala/org/apache/spark/SparkContext.scala ---
@@ -506,6 +506,7 @@ class SparkContext(config: SparkConf) extends Logging
with ExecutorAllocationCli
val (sched, ts) = SparkContext.createTaskScheduler(this, master)
_schedulerBackend = sched
_taskScheduler = ts
+ logDebug("Starting DAGScheduler")
--- End diff --
Hi Jacek:
My only concern with putting log in DAGScheduler's constructor is that the
logger might not have been initialized when constructor is called.
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