Cloud-native, service based access to HDF data

Is HDFGroup/hsds beginner-friendly?

We have not seen enough recent pull requests from outside contributors to HDFGroup/hsds to say how often they are merged. No beginner-friendly issue is open right now; the list below has the other issues we hold for it.

Stars
158
Forks
61
Open beginner issues
0
Indexed issues
25
Avg merge
4d 17h
Merged PRs (30d)
6
Dominant language
Python
License
Apache-2.0
Last GitHub push
Nov 10, 2026
Latest indexed
Sep 14, 2026
Contributing guide
No contributing guide
Code of conduct
Code of conduct
Beginner labels
No beginner labels indexed

How to contribute to HDFGroup/hsds

  1. There is no contributing guide, so start from the README and a few recently merged pull requests to see how changes are proposed.
  2. The project ships a dev container: open it in Codespaces to get a working environment in your browser.
  3. Read its code of conduct: it covers issues and pull requests as well as chat.
  4. Follow the repository to hear when a new beginner-friendly issue opens, or look through the other issues below.

Issues somebody may already be working on are listed last. List everything by date

  • Links order
    May be free again @mattjala claimed this 79 days ago, and no pull request is open. Open
    question

    HDFGroup/hsds#441 · 6 comments · 1 assignee ·

  • codespace starts with config complaint, can't run testall.py
    May be free again @mattjala claimed this 79 days ago, and no pull request is open. Open
    bug

    HDFGroup/hsds#438 · 1 comment · 1 assignee ·

  • How to use config.yml
    May be free again @mattjala claimed this 79 days ago, and no pull request is open. Open
    bug

    HDFGroup/hsds#433 · 1 comment · 1 assignee ·

  • HSDS azure kubernetes lockup
    May be free again @mattjala claimed this 79 days ago, and no pull request is open. Open
    bug

    HDFGroup/hsds#423 · 11 comments · 1 assignee ·

  • Support HEAD requests for dataset selection
    May be free again @mattjala claimed this 79 days ago, and no pull request is open. Open
    enhancement

    HDFGroup/hsds#268 · 1 assignee ·

  • Use numcodecs VLenArray for encoding variable length dataset chunks
    May be free again @mattjala claimed this 79 days ago, and no pull request is open. Open
    enhancement performance

    HDFGroup/hsds#263 · 1 assignee ·

  • Can't write to H5T_ARRAY datasets
    May be free again @mattjala claimed this 79 days ago, and no pull request is open. Open
    bug

    HDFGroup/hsds#249 · 2 comments · 1 assignee ·

  • Support object copy operations
    May be free again @mattjala claimed this 1172 days ago, and no pull request is open. Open
    enhancement

    HDFGroup/hsds#246 · 1 assignee ·

  • No validation for H5D_CHUNKED_REF_INDIRECT layout values
    May be free again @mattjala claimed this 1172 days ago, and no pull request is open. Open
    bug

    HDFGroup/hsds#193 · 2 comments · 1 assignee ·

  • Slow performance in arrayUtil functions with variable length data
    May be free again @mattjala claimed this 1172 days ago, and no pull request is open. Open
    performance

    HDFGroup/hsds#188 · 1 assignee ·

  • Support HSDS on GCP
    May be free again @mattjala claimed this 79 days ago, and no pull request is open. Open
    enhancement

    HDFGroup/hsds#158 · 2 comments · 1 assignee ·

  • Add Opaque Type support
    May be free again @mattjala claimed this 1172 days ago, and no pull request is open. Open
    enhancement

    HDFGroup/hsds#139 · 1 assignee ·

  • Add Region Reference support
    May be free again @mattjala claimed this 1172 days ago, and no pull request is open. Open
    enhancement

    HDFGroup/hsds#137 · 1 assignee ·

  • Error on array broadcasting
    May be free again @mattjala claimed this 1172 days ago, and no pull request is open. Open
    bug

    HDFGroup/hsds#131 · 2 comments · 1 assignee ·

  • OpenID auth broken in jwtUtil
    May be free again @mattjala claimed this 79 days ago, and no pull request is open. Open
    bug

    HDFGroup/hsds#119 · 2 comments · 1 assignee ·

  • Azure cross resource links on Azure
    May be free again @mattjala claimed this 79 days ago, and no pull request is open. Open
    enhancement

    HDFGroup/hsds#81 · 1 assignee ·

  • Support Azure policy rather than connection strings
    May be free again @mattjala claimed this 79 days ago, and no pull request is open. Open
    enhancement

    HDFGroup/hsds#80 · 1 assignee ·

  • Serving datasets with bitshuffle compression in POSIX files
    May be free again @mattjala claimed this 79 days ago, and no pull request is open. Open
    enhancement

    HDFGroup/hsds#76 · 34 comments · 1 assignee ·

  • Wrong IP addresses registered when using Docker overlay network
    May be free again @mattjala claimed this 79 days ago, and no pull request is open. Open
    bug

    HDFGroup/hsds#20 · 4 comments · 1 assignee ·

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