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📚 Mintlify Preview Links✨ Added (1 total)📄 Pages (1)
📝 Changed (1 total)⚙️ Other (1)
🤖 Generated automatically when Mintlify deployment succeeds |
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🔗 Link Checker Results✅ All links are valid! No broken links were detected. Checked against: https://wb-21fd5541-codex-prefix-caching-docs.mintlify.app |
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Tagging @jamie-rasmussen for technical review to start with, since he was involved in the Slack thread. 🙏 |
jamie-rasmussen
requested changes
Apr 1, 2026
| "content": "Summarize this document in one sentence: <long shared prefix here>" | ||
| }, | ||
| ], | ||
| cache_salt="tenant-a-user-123-secret", |
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@corbt I don't think this works - gives you TypeError: Completions.create() got an unexpected keyword argument 'cache_salt'
I think you can replace with something like:
extra_body={
"cache_salt": "tenant-a-user-123-secret",
},
Style-only changes, no technical content added or removed: - Fix title and heading to sentence case - Add document purpose statement, section intros, and list lead-ins - Expand KV abbreviation on first use - Use present tense, contractions, and active voice - Replace idiom with plain language for global audience - Tighten parallel structure in bullet lists
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Summary
Add a new W&B Inference docs page for prefix caching and cache isolation, and add it to the English Inference "Response Settings" nav.
Motivation
Motivating Slack thread:
https://weightsandbiases.slack.com/archives/C08RU04P36G/p1774553788470369
A customer is worried about security on a multi-tenant installation, and we want to show that we take that concern seriously. This page explains how prefix caching works at a high level and how
cache_saltcan be used to isolate cache reuse across trust boundaries.Notes
chat-completionspage simple instead of documenting one advanced parameter there while more basic request parameters are still undocumented.https://api.inference.wandb.ai/v1/chat/completionsonmoonshotai/Kimi-K2.5:cache_saltreused almost the entire prompt cachecache_saltforced a cold misscache_saltreturned a400