Github user mridulm commented on a diff in the pull request: https://github.com/apache/spark/pull/1525#discussion_r15725875 --- Diff: core/src/main/scala/org/apache/spark/scheduler/cluster/CoarseGrainedSchedulerBackend.scala --- @@ -47,19 +47,19 @@ class CoarseGrainedSchedulerBackend(scheduler: TaskSchedulerImpl, actorSystem: A { // Use an atomic variable to track total number of cores in the cluster for simplicity and speed var totalCoreCount = new AtomicInteger(0) - var totalExpectedExecutors = new AtomicInteger(0) + var totalExecutors = new AtomicInteger(0) val conf = scheduler.sc.conf private val timeout = AkkaUtils.askTimeout(conf) private val akkaFrameSize = AkkaUtils.maxFrameSizeBytes(conf) - // Submit tasks only after (registered executors / total expected executors) + // Submit tasks only after (registered resources / total expected resources) // is equal to at least this value, that is double between 0 and 1. - var minRegisteredRatio = conf.getDouble("spark.scheduler.minRegisteredExecutorsRatio", 0) - if (minRegisteredRatio > 1) minRegisteredRatio = 1 - // Whatever minRegisteredExecutorsRatio is arrived, submit tasks after the time(milliseconds). + var minRegisteredRatio = + math.min(1, conf.getDouble("spark.scheduler.minRegisteredResourcesRatio", 0)) + // Submit tasks after maxRegisteredWaitingTime milliseconds + // if minRegisteredRatio has not yet been reached val maxRegisteredWaitingTime = - conf.getInt("spark.scheduler.maxRegisteredExecutorsWaitingTime", 30000) + conf.getInt("spark.scheduler.maxRegisteredResourcesWaitingTime", 30000) --- End diff -- interface change ?
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