spark git commit: [SPARK-21502][MESOS] fix --supervise for mesos in cluster mode

Repository: spark Updated Branches: refs/heads/master 86664338f -> b09ec92a6 [SPARK-21502][MESOS] fix --supervise for mesos in cluster mode ## What changes were proposed in this pull request? With supervise enabled for a driver, re-launching it was failing because the driver had the same

spark git commit: [SPARK-17528][SQL][FOLLOWUP] remove unnecessary data copy in object hash aggregate

Repository: spark Updated Branches: refs/heads/master 481f07929 -> 86664338f [SPARK-17528][SQL][FOLLOWUP] remove unnecessary data copy in object hash aggregate ## What changes were proposed in this pull request? In #18483 , we fixed the data copy bug when saving into `InternalRow`, and