apache/datafusion-comet

0

/ 100

Documentation89
Engineering85
Health100
Scala1,214Apache-2.01d ago
Grade a repo

A well-known project done right. Strong docs and solid engineering throughout.

Apache DataFusion Comet Spark Accelerator

Documentation

89

Contributing guide5pt72

CONTRIBUTING guide found.

README12pt90

README is present.

Install and run instructions9pt90

README documents how to install the project.

License6pt100

Licensed under Apache-2.0.

Engineering

85

CI/CD14pt72

CI is configured (.github/workflows/ci.yml).

Tests18pt80

Test files detected (native/spark-expr/tests).

Linting and formatting5pt100

Linter or formatter configured (native/fs-hdfs/rustfmt.toml).

Reproducibility6pt100

Lockfile present (dev/release/requirements.txt). Installs are reproducible.

Issue and PR templates6pt100

Issue or PR templates present.

Project health

100

Dependency manifest6pt100

Dependency manifest found (pom.xml).

Repository metadata5pt100

Repository has a description.

Activity5pt100

Actively maintained (pushed within the last month).

Housekeeping3pt100

.gitignore present.

Repository health signals

Activity, community, and responsiveness at scan time

Activity

  • —
    Commits (30d / 90d)
  • 335
    Forks
  • 20
    Releaseslatest 10mo ago

Community

  • —
    Community health
  • —
    authors own >50% of commits
  • 1,214
    Watchers

Responsiveness

  • 5h
    Median issue response
  • 13h
    Median PR merge time
  • 447
    Open issues
Repository files29 root entries
  • .claude
  • .github
    Good: CI is configured (.github/workflows/ci.yml).
    Good: Dependabot covers 2 ecosystems (cargo, github-actions). Dependencies stay current.
    Good: Issue or PR templates present.
  • .mvn
  • benchmarks
    Good: Environment pinned via benchmarks/Dockerfile.
  • common
  • conf
  • dev
    Good: Lockfile present (dev/release/requirements.txt). Installs are reproducible.
  • docs
    Good: CONTRIBUTING guide found.
    Issue: CONTRIBUTING guide contents could not be read (−28 pts vs a readable file).Fix: Move the file to the repo root or docs/CONTRIBUTING.md so its setup, style, test, and PR sections can be graded.
  • kube
  • native
    Good: Test files detected (native/spark-expr/tests).
    Good: Linter or formatter configured (native/fs-hdfs/rustfmt.toml).
  • spark
  • spark-integration
  • .asf.yaml
  • .dockerignore
  • .gitignore
    Good: .gitignore present.
  • .prettierignore
  • .scalafix-syntactic.conf
  • .scalafix.conf
  • AGENTS.md
  • CHANGELOG.md
  • LICENSE.txt
    Good: Licensed under Apache-2.0.
  • Makefile
  • mvnw
  • mvnw.cmd
  • NOTICE.txt
  • pom.xml
    Good: Dependency manifest found (pom.xml).
  • README.md
    Good: README is present.
    Good: README is well structured with multiple sections.
    Good: README includes screenshots or visuals. Great for first impressions.
    Good: README has code examples.
    Good: README links to a live demo or deployed app.
    Issue: No status badges in the README (−10 pts).Fix: Add CI/build status badges from shields.io or your CI provider to signal project health.
    Good: README documents how to install the project.
    Good: README documents how to run the project.
  • rust-toolchain.toml
  • scalafmt.conf