private String getMetricFullName(String name) {
    return String.format("%s-%s", tableId, name);
  }
Create a new gauge by delegating to the underlying metrics registry
@param name name of the gauge
@param supplier a function that supplies the value
@param <T> type of the value
@return newly created gauge
samza-core/src/main/java/org/apache/samza/table/utils/TableMetricsUtil.java