Description
Datanode has a singleton datanodeObject. When running MiniDFSCluster with multiple datanodes, the singleton can point to only one of the datanodes. TestDFSUpgradeFromImage fails related to initialization of this singleton.
Datanode has a singleton datanodeObject. When running MiniDFSCluster with multiple datanodes, the singleton can point to only one of the datanodes. TestDFSUpgradeFromImage fails related to initialization of this singleton.