let heapUsed = (process.memoryUsage().heapUsed / (1024 * 1024)).toFixed(2); let rss = (process.memoryUsage().rss / (1024 * 1024)).toFixed(2); let heapTotal = (process.memoryUsage().heapTotal / (1024 * 1024)).toFixed(2); let uptime = (process.uptime() / 60).toFixed(2); utils.invokeCallback(cb, {