Ngone51 commented on a change in pull request #27773: [SPARK-29154][CORE]
Update Spark scheduler for stage level scheduling
URL: https://github.com/apache/spark/pull/27773#discussion_r389496401
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File path: core/src/main/scala/org/apache/spark/SparkContext.scala
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@@ -1617,13 +1617,17 @@ class SparkContext(config: SparkConf) extends Logging {
}
/**
- * Get the max number of tasks that can be concurrent launched currently.
+ * Get the max number of tasks that can be concurrent launched based on the
ResourceProfile
+ * being used.
* Note that please don't cache the value returned by this method, because
the number can change
* due to add/remove executors.
*
+ * @param rp ResourceProfile which to use to calculate max concurrent tasks.
* @return The max number of tasks that can be concurrent launched currently.
*/
- private[spark] def maxNumConcurrentTasks(): Int =
schedulerBackend.maxNumConcurrentTasks()
+ private[spark] def maxNumConcurrentTasks(rp: ResourceProfile): Int = {
Review comment:
Give a default value(e.g. default ResourceProfile) for `rp`? So
caller/developer who isn't aware of `ResourceProfile` doesn't need to care
about it.
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