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Project description
rfsspec
Rust python FSs
Implements s3, gcs, azure blob and HTTP backends for fsspec using Rust.
Respects concurrency of many simultaneous requests as made by fsspec, but
- does not need python asyncio,
- releases the GIL,
- can safely be called from multiple threads
- is probably NOT fork-safe
Limitations
Currently only the methods cat_ranges
, cat
and cat_file
are supported, enough
to open a (consolidated) zarr dataset for reading.
Implementations
The http backend supports:
- headers
- method
- ranges
The s3 implementation supports configuration by environment variables and .aws files, and options
- profile
- endpoint_url
- anon
- region
- ranges
- requester-pays
The GCS backend supports:
- anon
- ranges
- requester-pays
- assumes credentials via env variables and gcloud CLI
The Azure blob backend supports
- anon
- ranges
- account/key auth (account always required)
Installation
> pip install -i https://pypi.anaconda.org/mdurant/simple rfsspec
Benchmarks
Latest results from examples/script.py:
Rust http: 0.1335
Rust s3: 0.1163
Rust anon s3: 0.0921
fsspec http: 0.1611
fsspec s3: 0.4758
fsspec anon s3: 0.4208
(multi-threaded benchmarks should be more meaningful)
Project details
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