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Merge from upstream #4

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ec06bf8
Remove eager shredding (#491)
XiangpengHao Apr 29, 2026
de2a207
Io refactor, remove unrelated stuff (#493)
XiangpengHao Apr 30, 2026
3a83d13
fix dev tool build (#494)
XiangpengHao May 2, 2026
8be8185
Allow setting limit to disk space (Phase 1/2) (#495)
XiangpengHao May 4, 2026
12a05cd
fix date squeeze (#496)
XiangpengHao May 4, 2026
f9ff2c3
Refactor cache miss handling, allowing disk space limit (2/3) (#497)
XiangpengHao May 5, 2026
4597d1d
Proper disk replacement (3/3) (#498)
XiangpengHao May 6, 2026
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399 changes: 202 additions & 197 deletions .github/workflows/ci.yml
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9 changes: 0 additions & 9 deletions AGENTS.md
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Expand Up @@ -13,15 +13,6 @@
- `src/datafusion-client` and `src/datafusion-server`, Client/Server library, this enables distributed LiquidCache.
- `src/datafusion-local`, this is a in-process LiquidCache, used for local DataFusion instances.

## Study guide

This repo has many studies, they are not for production use, but only for research purposes to understand how the system behaves.
The coding guidelines for study are different:

1. Focus on concise, minimal intrusive, easy to understand code.
2. No error handling, no robust edge case handling, just one shot code.
3. Ok to hard code if it can simplify the implementation.

### Lineage-based cache expression

1. The lineage_opt.rs analyze the input query's column usage, and passes it down to LiquidCache.
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