code: @Override
    protected void doPost(final HttpServletRequest req, final HttpServletResponse resp)
        throws ServletException, IOException {
  
      final boolean noCache = null != req && Boolean.valueOf(req.getParameter(noCacheParamName));
  
      if (noCache || System.currentTimeMillis() - lastRefreshedTime > cacheTimeInMilliseconds) {
        this.populateStatistics(noCache);
      }
  
      JSONUtils.toJSON(cachedstats, resp.getOutputStream(), true);
    }
docs: Handle all requests to Statistics Servlet {@inheritDoc}