Github user colorant commented on a diff in the pull request: https://github.com/apache/spark/pull/2240#discussion_r17032661 --- Diff: core/src/main/scala/org/apache/spark/SparkEnv.scala --- @@ -223,14 +226,14 @@ object SparkEnv extends Logging { val shuffleMemoryManager = new ShuffleMemoryManager(conf) + val blockTransferService = new CMBlockTransferService(conf, securityManager) + --- End diff -- Then, how did you plan to handle this securityManager parameter? move it into BlockTransferService interface ( though some implementation might not need it) to make it easy for instantiate works? or some how tweak connectionManager to make it use SecurityManager in lazy way so that it can retrive it from SparkEnv?
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