code: private void registerWithMaster() throws IOException {
      BlockStoreMeta storeMeta = mBlockWorker.getStoreMetaFull();
      StorageTierAssoc storageTierAssoc = new WorkerStorageTierAssoc();
      List<ConfigProperty> configList =
          ConfigurationUtils.getConfiguration(ServerConfiguration.global(), Scope.WORKER);
      mMasterClient.register(mWorkerId.get(),
          storageTierAssoc.getOrderedStorageAliases(), storeMeta.getCapacityBytesOnTiers(),
          storeMeta.getUsedBytesOnTiers(), storeMeta.getBlockList(),
          storeMeta.getLostStorage(), configList);
    }
docs: Registers with the Alluxio master. This should be called before the continuous heartbeat thread
  begins.