Spark 2.1.1 spark.dynamicAllocation.enabled=true not working

[#1]

submitted a spark Job using spark-submit with spark.dynamicAllocation.enabled=true is not working.

[#2]

@Kuber S, Check if you have enough resources to accommodate spark.dynamicAllocation.initialExecutors if not you can check and reduce the initial executors/executor memory and try.

[#3]

@Kuber S

Can you share the Advanced spark2-thrift-sparkconf configurations?