Description
NameNode can update proxyuser config by -refreshSuperUserGroupsConfiguration without restarting but DFSRouter cannot. It would be better for DFSRouter to have such functionality to be compatible with NameNode.
NameNode can update proxyuser config by -refreshSuperUserGroupsConfiguration without restarting but DFSRouter cannot. It would be better for DFSRouter to have such functionality to be compatible with NameNode.