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[v3] remote store support (s3, gcs, azure, http) #1757

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jhamman opened this issue Apr 5, 2024 · 7 comments · Fixed by #1785
Closed
3 tasks

[v3] remote store support (s3, gcs, azure, http) #1757

jhamman opened this issue Apr 5, 2024 · 7 comments · Fixed by #1785
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@jhamman
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jhamman commented Apr 5, 2024

The v3 branch currently has an initial (but broken) implementation of a remote store. This issue tracks getting that operational so we car start using v3 against s3, gcs, azure, http, etc.

TODOs:

  • rename to FsspecStore
  • limit store to only fsspec implementation that are async-friendly
  • decide on approach to testing

@martindurant - any chance you can lend a hand on this one? I optimistically put you in as the assignee but let us know if this is not something you can engage on.

Blocked by #1755

@jhamman jhamman added the V3 label Apr 5, 2024
@jhamman jhamman added this to the 3.0.0.alpha milestone Apr 5, 2024
@jhamman jhamman moved this to Todo in Zarr-Python - 3.0 Apr 5, 2024
@martindurant
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Hi, I'm watching. I can help, but I don't have a huge number of hours, of course.

I notice the "blocked by" - and there has been no progress on that issue yet,

@d-v-b
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d-v-b commented Apr 10, 2024

Personally I don't think we need to wait for a final store API before implementing remote storage.
We already implement local storage for v3, so we should just make a remote API that matches it.

Any friction generated in that process can go towards shaping the final API :)

@martindurant
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Is the use of universal_pathlib desired/required?

@d-v-b
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d-v-b commented Apr 11, 2024

@martindurant universal_pathlib was carried over from zarrita; maybe @normanrz can weigh in on the pros and cons of keeping it in.

@normanrz
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I think upath is quite useful to compose paths. It would be great if the FsspecStore would support opening from a UPath object. Maybe it should be an optional dependency, though.

@martindurant
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OK, I can have it optional. Honestly I doubt we'll see it much, since typical invocation would be like zarr.open("s3://bucket/data.zarr") (which already works).

@normanrz
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UPath becomes interesting if you store some storage_options like this and use it in different places:

path = UPath("s3://bucket", key='some', secret='credentials')
z1 = zarr.open(path / "data.zarr")
z2 = zarr.open(path / "other.zarr")

@jhamman jhamman moved this from Todo to In Progress in Zarr-Python - 3.0 May 7, 2024
@github-project-automation github-project-automation bot moved this from In Progress to Done in Zarr-Python - 3.0 Jun 11, 2024
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