@Override
    public void setup(Context context) throws IOException, InterruptedException {

      LOGGER.info("TopKRollupPhaseOneJob.TopKRollupPhaseOneReducer.setup()");

      Configuration configuration = context.getConfiguration();
      FileSystem fileSystem = FileSystem.get(configuration);
      Path configPath = new Path(configuration.get(TOPK_ROLLUP_PHASE1_CONFIG_PATH.toString()));
      try {
        starTreeConfig = StarTreeConfig.decode(fileSystem.open(configPath));
        config = TopKRollupPhaseOneConfig.fromStarTreeConfig(starTreeConfig);
        dimensionNames = config.getDimensionNames();
        metricTypes = config.getMetricTypes();
        metricSchema = new MetricSchema(config.getMetricNames(), metricTypes);
        metricThresholds = config.getMetricThresholds();
        keyWritable = new BytesWritable();
        valWritable = new BytesWritable();

        MetricSums metricSumsObj =
            OBJECT_MAPPER.readValue(
                fileSystem.open(
                    new Path(configuration.get(TOPK_ROLLUP_PHASE1_METRIC_SUMS_PATH.toString()))),
                MetricSums.class);
        metricSums = metricSumsObj.getMetricSum();

      } catch (Exception e) {
        throw new IOException(e);
      }
    }
    @Override
    public void setup(Context context) throws IOException, InterruptedException {
      LOGGER.info("TopKRollupPhaseOneJob.TopKRollupPhaseOneMapper.setup()");
      Configuration configuration = context.getConfiguration();
      FileSystem fileSystem = FileSystem.get(configuration);
      Path configPath = new Path(configuration.get(TOPK_ROLLUP_PHASE1_CONFIG_PATH.toString()));
      try {
        starTreeConfig = StarTreeConfig.decode(fileSystem.open(configPath));
        config = TopKRollupPhaseOneConfig.fromStarTreeConfig(starTreeConfig);
        dimensionNames = config.getDimensionNames();
        keyWritable = new BytesWritable();
        valWritable = new BytesWritable();
        dimensionNameToIndexMapping = new HashMap<String, Integer>();
        for (int i = 0; i < dimensionNames.size(); i++) {
          dimensionNameToIndexMapping.put(dimensionNames.get(i), i);
        }

      } catch (Exception e) {
        throw new IOException(e);
      }
    }