feat: Use ORJSONResponse for faster JSON serialization in feature server#5930
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franciscojavierarceo
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Feb 1, 2026
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Need to get tests passing but approving to unblock
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@franciscojavierarceo Test failures are due to transient dependency sqlglot, related to ibis-project/ibis#11882. I have handled it already in #5928 , will rebase this PR once it's merged. |
franciscojavierarceo
approved these changes
Feb 1, 2026
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Signed-off-by: ntkathole <nikhilkathole2683@gmail.com>
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What this PR does / why we need it:
This PR improves the latency of the online feature server by using FastAPI's built-in ORJSONResponse instead of the default JSONResponse. This leverages orjson, a fast JSON library written in Rust, for response serialization.
Changes
When returning a dict from a FastAPI endpoint, FastAPI uses Python's standard json module for serialization. By using ORJSONResponse, we leverage orjson which is written in Rust and provides significantly faster JSON encoding.