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- Glossary
- Release Notes and Announcements
- Product Introduction
- Purchase Guide
- Description of 14-day Trial Plan Experience Benefits
- Billing Overview
- Basic Service Fees
- Value-added Service Fees
- Related Tencent Cloud Services
- Extra Package Description (Prepaid)
- Subscriptions
- Renewals
- Overdue and Expiration Policies
- Refund Policy
- Usage Cap Policy
- EdgeOne Plan Upgrade Guide
- Comparison of EdgeOne Plans
- Billing Usage
- About "clean traffic" billing instructions
- Getting Started
- Domain Service
- Site Acceleration
- Origin Configuration
- Edge Functions
- Overview
- Getting Started
- Operation Guide
- Runtime APIs
- Sample Functions
- Example Overview
- 301 Redirect
- Obtaining Client URL Information
- Customization Based on Client Geo Location
- Obtaining Client Geo Location Information
- Batch Redirect
- Returning an HTML Page
- Returning a JSON Object
- Fetch Remote Resources
- Authenticating a Request Header
- Modifying a Response Header
- Performing an A/B Test
- Setting Cookies
- Performing Redirect Based on the Request Location
- Using the Cache API
- Caching POST Requests
- Responding in Streaming Mode
- Merging Resources and Responding in Streaming Mode
- Protecting Data from Tampering
- Rewriting a m3u8 File and Configuring Authentication
- Adaptive Image Resize
- Image Adaptive WebP
- Customize Referer restriction rules
- Remote Authentication
- HMAC Digital Signature
- Naming a Downloaded File
- Obtaining Client IP Address
- Practical Tutorial
- Security Protection
- Overview
- DDoS Protection
- DDoS Protection Overview
- Exclusive DDoS Protection Usage
- Configuration of Exclusive DDoS protection Rules
- Web Protection
- Rules Template
- IP Groups
- Origin Protection
- Custom Response Page
- Alarm Notification
- Rule Engine
- L4 Proxy
- Data Analysis&Log Service
- Tool Guide
- Practical Tutorial
- Configuring EdgeOne Security Event Alarms via TCOP
- EdgeOne Resource Abuse Prevention
- EdgeOne Implementation of Session Persistence Based on Client IP Addresses
- EdgeOne Implementation of Origin-Pull Based on Client's Geo Location
- EdgeOne Hotlink Protection Practical Tutorial
- EdgeOne initiates Automatic Warm-up
- EdgeOne Automatic Cache Purge
- Cross-regional Secure Acceleration (Oversea Sites)
- Scheduling Traffic to EdgeOne by Performing Canary Switching
- Quickly Enabling HTTPS Access with EdgeOne Free Certificate
- Through traffic orchestration to multiple service providers
- EdgeOne facilitate APKs.s dynamic packaging of Android
- API Documentation
- History
- Introduction
- API Category
- Making API Requests
- Site APIs
- Acceleration Domain Management APIs
- Site Acceleration Configuration APIs
- Edge Function APIs
- Alias Domain APIs
- Security Configuration APIs
- Layer 4 Application Proxy APIs
- CreateL4Proxy
- ModifyL4Proxy
- ModifyL4ProxyStatus
- DescribeL4Proxy
- DeleteL4Proxy
- CreateL4ProxyRules
- ModifyL4ProxyRules
- ModifyL4ProxyRulesStatus
- DescribeL4ProxyRules
- DeleteL4ProxyRules
- CreateApplicationProxy
- ModifyApplicationProxy
- ModifyApplicationProxyStatus
- DescribeApplicationProxies
- DeleteApplicationProxy
- CreateApplicationProxyRule
- ModifyApplicationProxyRule
- ModifyApplicationProxyRuleStatus
- DeleteApplicationProxyRule
- Content Management APIs
- Data Analysis APIs
- Log Service APIs
- Billing APIs
- Certificate APIs
- Load Balancing APIs
- Diagnostic Tool APIs
- Custom Response Page APIs
- Version Management APIs
- Data Types
- Error Codes
- FAQs
- Agreements
- TEO Policy
- Contact Us
- Glossary
Overview
Range GETs can be enabled to reduce the consumption of large file origin-pulls and response time.
Why can Range GETs improve the efficiency of large file delivery?
When caching large files, nodes will split them into smaller parts in order to improve cache efficiency. All parts cached expire at the same time and follow the node cache TTL configuration. Range requests are also supported. For example, if a client request carries the HTTP header
Range: bytes = 0-999, only the first 1000 bytes of the file will be returned to the user.If Range GETs is enabled: When parts of the file are requested and their caches expire, nodes only pull and cache the requested parts and return them to the user, so that origin-pull consumption and response time are greatly reduced.
If Range GETs is disabled, when the client requests only parts of a file, the node will pull only the requested parts according to the
Range header in the client request, cache them, and return them to the client at the same time. However, this may not be able to achieve the optimal performance. In large file scenarios, we recommend you enable Range GETs.Use Cases
You can use Range GETs to cache large static files in either of the following cases: The origin server supports Range requests, or you use a Tencent Cloud COS origin server and do not apply any data processing methods such as image processing.
Notes
The origin server must support Range requests, or the origin-pull may fail.
The origin-pull may fail if Range GETs is enabled for small static files, or if you enable it while using a Tencent Cloud COS origin server and data processing methods such as image processing.
Directions
For instance, you have a video service website that provides online video watching through
video.example.com. The videos are mainly long videos with large files. In order to reduce traffic consumption of large files and improve origin-pull speed, you need to support range requests and origin-pull. You can perform the following steps:1. Log in to the EdgeOne console and click Site List in the left sidebar.In the site list, click the target Site.
2. On the site details page, click Site Acceleration to enter the global site configuration page, then click the Rule Engine tab.
3. On the rule engine management page, click Create rule and select Add blank rule.
4. On the rule editing page, select the Matching type as
HOST equals video.example.com.5. Click on Action, in the displayed operation list, choose the operation as Range GETs.
6. Click on On/Off to enable Range GETs.
7. Click on Save and publish to complete the configuration of this rule.
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