⚡ perf: Optimize FastAPI endpoint with async Gemini API call#8
⚡ perf: Optimize FastAPI endpoint with async Gemini API call#8Sir-Ripley wants to merge 1 commit intomainfrom
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… endpoint In `ChronoHolographicCipher.ipynb`, the `consult()` FastAPI endpoint was blocking the event loop by calling the synchronous `generate_content()` method of the Gemini model. This change replaces it with `generate_content_async()`, awaiting the result, which allows the server to handle concurrent requests without blocking. Co-authored-by: Sir-Ripley <31619989+Sir-Ripley@users.noreply.github.com>
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Reviewer's guide (collapsed on small PRs)Reviewer's GuideThis PR updates a FastAPI async endpoint in ChronoHolographicCipher.ipynb to use the Gemini client’s asynchronous generate_content_async API instead of the blocking synchronous generate_content call, eliminating event-loop blocking and improving concurrent request throughput. Sequence diagram for async Gemini generate_content_async call in consult endpointsequenceDiagram
actor User
participant FastAPIApp
participant ConsultEndpoint
participant GeminiModel
participant GeminiAPI
User->>FastAPIApp: HTTP POST /consult_astheria
FastAPIApp->>ConsultEndpoint: invoke async consult(prompt)
ConsultEndpoint->>GeminiModel: await generate_content_async(prompt)
GeminiModel->>GeminiAPI: async request prompt
GeminiAPI-->>GeminiModel: response
GeminiModel-->>ConsultEndpoint: response
ConsultEndpoint-->>FastAPIApp: JSON result
FastAPIApp-->>User: HTTP 200 response
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Summary of ChangesHello, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed! This pull request focuses on a critical performance enhancement for a FastAPI endpoint by refactoring a blocking external API call to an asynchronous one. This change ensures that the server's event loop remains non-blocked during I/O operations, thereby substantially improving the application's throughput and responsiveness, especially when handling multiple concurrent user requests. Highlights
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Code Review
This pull request correctly optimizes the FastAPI endpoint by switching to an asynchronous Gemini API call, which will improve performance under concurrent loads. My review includes a critical security comment regarding a hardcoded API key that is used for this API call. This key should be removed from the source code and managed securely.
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| " # Sending the vibe out and waiting for the echo to return\n", | ||
| " response = model.generate_content(prompt)\n", | ||
| " response = await model.generate_content_async(prompt)\n", |
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This line makes an asynchronous call to the Gemini API. The model object used for this call is authenticated using an API key that is hardcoded on line 125. Committing secrets like API keys directly into source code is a critical security vulnerability. If this code is committed, the key will be exposed in the repository's history and can be discovered and abused, leading to unauthorized access and potential charges to your account. The key should be removed from the source code and loaded from a secure source, such as environment variables (injected at runtime) or a dedicated secrets management service.
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💡 What: Changed the synchronous
model.generate_content(prompt)method call to the asynchronousawait model.generate_content_async(prompt)method inside theasync def consult()FastAPI endpoint inChronoHolographicCipher.ipynb.🎯 Why: Calling a blocking, synchronous I/O function (like a network request to an API) inside an asynchronous function blocks the entire event loop. This severely degrades the performance and throughput of the server when handling concurrent requests. Making the call asynchronous allows the event loop to yield control and process other incoming requests while waiting for the API response.
📊 Measured Improvement: A local benchmark simulation was created to test the execution time of 3 concurrent requests to a mock API that takes 1 second to respond.
/consult_astheriarequests concurrently instead of sequentially.PR created automatically by Jules for task 18003193398847644355 started by @Sir-Ripley
Summary by Sourcery
Enhancements: