public void addMaxHeapSize(Long maxHeapSize) {
    addToMetricsMessage(GROUP_NAME_FOR_DIAGNOSTICS_MANAGER, CONTAINER_MAX_CONFIGURED_HEAP_METRIC_NAME, maxHeapSize);
  }
Add the configured max heap size in bytes.
@param maxHeapSize the parameter value.
samza-core/src/main/scala/org/apache/samza/diagnostics/DiagnosticsStreamMessage.java