> For the complete documentation index, see [llms.txt](https://docs.greennode.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.greennode.ai/vcdn/giam-sat-hoat-dong.md). # Monitoring ## **Overview** The vCDN system supports customers to monitor and track all CDN service operations via **Portal** or **API** , providing detailed, intuitive information about service performance and status. The metrics will be visually provided in Dashboards and charts with: * Data is updated **every minute** . * Maximum delay is **5 minutes** (near realtime), helping customers promptly grasp changes in the system. ## Detail The types of charts/reports we provide you include: * **Traffic Consuming:** total bandwidth used on the CDN system in a month. * **Origin Request/s** : number of requests sent from CDN to Origin per second. * **Origin Traffic Consuming/s (GB/s)** : traffic consumed from Origin, measured in GB per second. * **Unique IPs:** Displays the number of unique IPs sending requests to the CDN system. * **Origin Speed/s:** real-time download and serving speed from Origin. * **Average User Speed:** Average download speed from Origin to CDN over a period of time. * **Hit Cache Ratio:** Percentage of requests served from the CDN cache instead of the Origin. * **Request Content Type:** Classifies the requested content types (e.g. HTML, CSS, JS, images, videos). * **CDN HTTP Codes, Origin HTTP Codes:** Track the connection status between CDN and Origin (success, 4xx error, 5xx error...). * **Manage and monitor signals pushed to the Live Entry point system** ## **Steps to follow** **Step 1:** Access vCDN Portal at [https://vcdn.vngcloud.vn](https://vcdn.vngcloud.vn/live-entrypoint/list.html) **Step 2:** Select **Dashboard.** Here, you can see the charts and reports we mentioned above. For example: