TraceMachina/nativelink

Potential improvements to fastcdc

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#692 opened on Mar 2, 2024

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 (4 comments) (0 reactions) (0 assignees)Rust (222 forks)auto 404
enhancementgood first issue

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Description

The code at https://github.com/TraceMachina/nativelink/blob/main/nativelink-util/src/fastcdc.rs seems unnecessary.

Potential alternatives:

There is also an interesting algorithm called UltraCDC from some of the FastCDC authors that seems worth investigating:

Contributor guide

Research direction
Evaluate alternative FastCDC implementations (nlfiedler/fastcdc rs, florian g2/fastcdc rs alt) and the UltraCDC algorithm from PlakarLabs/go cdc chunkers. Compare performance and correctness with the current implementation in nativelink util/src/fastcdc.rs.
Tech stack
rust
Domain
backend
Issue type
Research
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
3-5 days
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
Rust
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
40