assertEquals(qmDefaultMemoryMB, totalUsedMemory);
assertEquals(qmDefaultDiskSlots, totalUsedDisks, 0);
//release
tajoWorkerResourceManager.stopQueryMaster(queryId);
for(WorkerResource eachWorker: tajoWorkerResourceManager.getWorkers().values()) {
assertEquals(0, eachWorker.getUsedMemoryMB());
assertEquals(0, eachWorker.getUsedDiskSlots(), 0);
totalUsedMemory += eachWorker.getUsedMemoryMB();
totalUsedDisks += eachWorker.getUsedDiskSlots();