Github user squito commented on a diff in the pull request: https://github.com/apache/spark/pull/14079#discussion_r74335937 --- Diff: core/src/main/scala/org/apache/spark/scheduler/TaskSchedulerImpl.scala --- @@ -52,13 +51,23 @@ import org.apache.spark.util.{AccumulatorV2, ThreadUtils, Utils} * acquire a lock on us, so we need to make sure that we don't try to lock the backend while * we are holding a lock on ourselves. */ -private[spark] class TaskSchedulerImpl( +private[spark] class TaskSchedulerImpl private[scheduler]( --- End diff -- just to make sure I understand -- do you want to eliminate having it be a parameter for the constructor to `TaskSchedulerImpl` completely, so that it is always created from the conf? I think that would prevent proper testing, since I couldn't eg. pass in a mock. Or keep the constructor, but just make `blacklistTracker` completely private, (not `private[scheduler]`)? That should be straightforward, all the tests which directly create a TaskSetManager would just use `None` for the blacklist.
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