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Pricing refresh: send Accept-Encoding and revalidate with ETag (1.7MB -> ~8KB per run) #1564
Description
What do you want to change?
The LiteLLM pricing fetch in rust/crates/ccusage/src/http.rs. Two things: enable ureq's gzip feature (right now no Accept-Encoding is sent, so the table transfers uncompressed), and keep the body + ETag on disk so later runs revalidate with If-None-Match instead of re-downloading.
Why?
Every non-offline run downloads the full pricing table, 1.7 MB on the wire. I hit this while chasing constant traffic on my machine — a statusline plus a 1-minute usage collector were re-downloading the same JSON ~3000 times a day, about 5 GB. The server side already supports everything needed:
identity: 1.7 MB
gzip: 82 KB
If-None-Match (match): HTTP 304, empty body
How? (optional)
ureq gzip feature + a best-effort body/etag pair in the temp dir (same spirit as the statusline cache), If-None-Match on later runs, and falling back to the last validated body when revalidation fails. Working locally: 1.7 MB per run before -> 160 KB cold / 8 KB warm after (warm is just the TLS handshake plus 304 headers). Tested with unit tests, fmt and clippy clean. Happy to open a PR — the branch is ready.
Activity
pullfrog commentedon Aug 2, 2026
github-actions commentedon Aug 2, 2026
This issue was auto-closed. Issues from new contributors are auto-closed by default.
Maintainers review auto-closed issues and reopen worthwhile ones. Issues that do not meet the quality bar in CONTRIBUTING.md may not be reopened or receive a reply.
Keep the issue short, concrete, and written in your own voice.
If a maintainer replies
lgtmi, your future issues will stay open. If a maintainer replieslgtm, your future issues and PRs will stay open.See CONTRIBUTING.md.
ryoppippi commentedon Aug 31, 2026
Historical audit: this discussion was auto-closed by the legacy contributor gate. That closure did not assess technical importance.
Audit result: resolved. A later merged change or the current
mainimplementation covers this request. This item is kept for history and does not need to be reopened.