Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/11528#discussion_r55118075
--- Diff: core/src/main/scala/org/apache/spark/util/Utils.scala ---
@@ -2253,13 +2253,38 @@ private[spark] object Utils extends Logging {
def isDynamicAllocationEnabled(conf: SparkConf): Boolean = {
val numExecutor = conf.getInt("spark.executor.instances", 0)
val dynamicAllocationEnabled =
conf.getBoolean("spark.dynamicAllocation.enabled", false)
+ val overrideExecutors =
conf.getBoolean("spark.dynamicAllocation.overrideNumInstances", false)
--- End diff --
I think this just piles onto the confusion though, with yet another flag to
control flags. I think this is a documentation issue, and it already generates
warnings when you set these things together. I personally favor leaving it as
is.
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