private void logCurrentTotalSGMemory() {
    logger.debug("Current Sg cost is {}", totalStorageGroupMemCost);
  }
Report resetting the mem cost of sg to system. It will be called after flushing, closing and
failed to insert

@param dataRegionInfo database
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/storageengine/rescon/memory/SystemInfo.java