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docs: refer to Merkle trees instead of "blockchain" in caching.rst#3216

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johanneskoester merged 4 commits intosnakemake:mainfrom
veprbl:patch-3
Nov 27, 2024
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docs: refer to Merkle trees instead of "blockchain" in caching.rst#3216
johanneskoester merged 4 commits intosnakemake:mainfrom
veprbl:patch-3

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@veprbl veprbl commented Nov 20, 2024

This is a more correct terminology, IMO.

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  • The PR contains a test case for the changes or the changes are already covered by an existing test case.
  • The documentation (docs/) is updated to reflect the changes or this is not necessary (e.g. if the change does neither modify the language nor the behavior or functionalities of Snakemake).

Summary by CodeRabbit

  • Documentation
    • Revised caching documentation to clarify the mechanism for recognizing previously computed results.
    • Replaced "blockchain" with "Merkle tree" in the context of hashing.
    • Specified that caching must be explicitly activated per rule, with examples for command line usage and Python definitions.
    • Reiterated eligibility criteria for caching rules and permissions for cached data.

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coderabbitai bot commented Nov 20, 2024

📝 Walkthrough
📝 Walkthrough

Walkthrough

The documentation for caching in Snakemake has been revised to clarify the mechanism for recognizing previously computed results. The term "Merkle tree" has replaced "blockchain" to better reflect the data structure used in caching. The updates also specify that caching must be explicitly activated per rule, provide command line and Python examples, and outline eligibility criteria for caching rules. The note on permissions for cached data and the experimental status of the implementation remains unchanged.

Changes

File Path Change Summary
docs/executing/caching.rst Updated terminology from "blockchain" to "Merkle tree"; clarified caching activation per rule; added examples for command line and Python; reiterated eligibility criteria for caching rules; unchanged notes on permissions and experimental status.

Sequence Diagram(s)

sequenceDiagram
    participant User
    participant Snakemake
    participant Cache

    User->>Snakemake: Define rule with caching
    Snakemake->>Cache: Activate caching for rule
    Cache-->>Snakemake: Store results with Merkle tree
    Snakemake->>User: Results retrieved from cache
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Actionable comments posted: 0

🧹 Outside diff range and nitpick comments (1)
docs/executing/caching.rst (1)

12-12: LGTM! The terminology change improves technical accuracy.

The replacement of "blockchain" with "Merkle tree" is more precise and better reflects the actual data structure used in Snakemake's caching mechanism. The added Wikipedia link provides helpful context for readers unfamiliar with the concept.

Consider adding a brief explanation of why Merkle trees are particularly suitable for this use case, such as their efficient verification of data integrity and hierarchical nature that matches Snakemake's workflow structure.

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I agree! Just a minor thing, since the word step in the change below does not refer to an item in the hash tree but rather to a step in the workflow.

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@johanneskoester johanneskoester merged commit 282e5d9 into snakemake:main Nov 27, 2024
johanneskoester pushed a commit that referenced this pull request Nov 27, 2024
🤖 I have created a release *beep* *boop*
---


##
[8.25.4](v8.25.3...v8.25.4)
(2024-11-27)


### Bug Fixes

* clean env vars in apptainer
([#3199](#3199))
([76d5329](76d5329))
* ensure that intermediate files in job groups do not cause spurious
mtime errors when checking for consistency with output files
([#3220](#3220))
([4ba2bdf](4ba2bdf))
* Remove incomplete marker also when drop-metadata is active
([#3215](#3215))
([a4f2e5c](a4f2e5c))
* Remove incomplete marker for job finished only after metadata is
written ([#3197](#3197))
([6567e5f](6567e5f))
* Support versioned URLs in Asset class and fix missing versions in
Snakemake report
([#3203](#3203))
([f086f6c](f086f6c))
* update rust-script usage to recent version (v0.35.0)
[#3183](#3183)
([#3208](#3208))
([43885d7](43885d7))


### Documentation

* clarify continuously updated input section
([#3219](#3219))
([72a6994](72a6994))
* Fix typo in CHANGELOG.md
([#3198](#3198))
([0e445ed](0e445ed))
* refer to Merkle trees instead of "blockchain" in caching.rst
([#3216](#3216))
([282e5d9](282e5d9))
* remove twitter in favor of bluesky and mastodon
([#3217](#3217))
([231c6df](231c6df))
* use "dictionary" not "array" wording in config docs
([#3156](#3156))
([17aed41](17aed41))

---
This PR was generated with [Release
Please](https://github.com/googleapis/release-please). See
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2 participants