dongjoon-hyun commented on a change in pull request #23924: 
[SPARK-26192][MESOS] Retrieve enableFetcherCache option from submission for 
driver URIs
URL: https://github.com/apache/spark/pull/23924#discussion_r261848569
 
 

 ##########
 File path: 
resource-managers/mesos/src/main/scala/org/apache/spark/scheduler/cluster/mesos/MesosClusterScheduler.scala
 ##########
 @@ -427,6 +426,7 @@ private[spark] class MesosClusterScheduler(
   }
 
   private def getDriverUris(desc: MesosDriverDescription): 
List[CommandInfo.URI] = {
+    val useFetchCache = desc.conf.get(config.ENABLE_FETCHER_CACHE)
 
 Review comment:
   Can we make this in a backward-compatible way? For example, if the 
configuration is not given from the submission, Spark had better work in the 
old way.

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