.<ContainerRequest> createAMRMClient();
amClient.init(conf);
amClient.start();
amClient.registerApplicationMaster("Host", 10000, "");
Priority priority1 = Records.newRecord(Priority.class);
priority1.setPriority(2);
ContainerRequest storedContainer1 =
new ContainerRequest(capability, nodes, racks, priority);
ContainerRequest storedContainer2 =
new ContainerRequest(capability, nodes, racks, priority);