vllm - 💡(How to fix) Fix [Performance]: What is the performance impact of upgrading from HTTP/1.1 to HTTP/2 or QUIC? [1 comments, 2 participants]

Fix Plan

To improve performance by upgrading from HTTP/1.1 to HTTP/2 or QUIC, follow these steps:

• Upgrade Server: Ensure your server supports HTTP/2 or QUIC. For example, using NGINX, add the following configuration:

http {
    ...
    http2_push_preload on;
    server {
        listen 443 ssl http2;
        ssl_certificate /path/to/cert.crt;
        ssl_certificate_key /path/to/cert.key;
    }
}

• Update Client: Modify your client to use HTTP/2 or QUIC. In Python, you can use the httpx library:

import httpx

client = httpx.Client(http2=True)
response = client.get("https://example.com")

• Verify Protocol: Check the protocol used by your client and server. You can use tools like curl or browser developer tools to inspect the protocol.

Verification

To verify the fix, check the performance improvement by:

• Monitoring server logs and metrics
• Using tools like ab or wrk to benchmark the server
• Inspecting browser developer tools for protocol and performance metrics

Extra Tips

• Ensure your SSL/TLS certificates are properly configured for HTTP/2 and QUIC
• Test your application with different client and server configurations to ensure compatibility
• Refer to the HTTP/2 specification and QUIC specification for more information.