Github user tgravescs commented on a diff in the pull request:
https://github.com/apache/spark/pull/14149#discussion_r70442221
--- Diff: core/src/main/scala/org/apache/spark/util/Utils.scala ---
@@ -2342,6 +2342,12 @@ private[spark] object Utils extends Logging {
* Return the initial number of executors for dynamic allocation.
*/
def getDynamicAllocationInitialExecutors(conf: SparkConf): Int = {
+ if (conf.get(DYN_ALLOCATION_INITIAL_EXECUTORS) <
conf.get(DYN_ALLOCATION_MIN_EXECUTORS)) {
--- End diff --
this isn't going to warn if executor instances was specified and is less
then the minimum. We could simply move this check til after the max and see if
the number that is going to be returned is < min executors.
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