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Title: fix(spark): S3/GCS PyArrow filesystem resolution for staging paths by abhijeet-dhumal · Pull Request #6442 · feast-dev/feast · GitHub

Open Graph Title: fix(spark): S3/GCS PyArrow filesystem resolution for staging paths by abhijeet-dhumal · Pull Request #6442 · feast-dev/feast

X Title: fix(spark): S3/GCS PyArrow filesystem resolution for staging paths by abhijeet-dhumal · Pull Request #6442 · feast-dev/feast

Description: What this PR does / why we need it Staging parquet reads fail on S3-compatible stores (MinIO, Ceph, custom AWS endpoints) because raw s3:// / s3a:// URIs are passed directly to pyarrow.dataset: FileNotFoundError: s3://my-bucket/... Replaces _normalize_staging_paths with _resolve_staging_filesystem which builds the correct pyarrow.fs.S3FileSystem or pyarrow.fs.GcsFileSystem from the URI scheme. Picks up AWS_ENDPOINT_URL_S3 for MinIO/LocalStack and AWS_DEFAULT_REGION from the environment. Local and file:// paths pass through unchanged. Which issue(s) this PR fixes Enables staging path reads for on-prem / private cloud Spark deployments (MinIO, Ceph, LocalStack). Checks I've made sure the tests are passing. My commits are signed off (git commit -s) My PR title follows conventional commits format Testing Strategy Unit tests — 12 cases covering S3 endpoint override, GCS, local, file://, MinIO, region fallback Manual tests — staging reads from MinIO endpoint

Open Graph Description: What this PR does / why we need it Staging parquet reads fail on S3-compatible stores (MinIO, Ceph, custom AWS endpoints) because raw s3:// / s3a:// URIs are passed directly to pyarrow.dataset: Fil...

X Description: What this PR does / why we need it Staging parquet reads fail on S3-compatible stores (MinIO, Ceph, custom AWS endpoints) because raw s3:// / s3a:// URIs are passed directly to pyarrow.dataset: Fil...

Opengraph URL: https://github.com/feast-dev/feast/pull/6442

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28318b1 fix(spark): S3/GCS PyArrow filesystem for staging paths abhijeet-dhumal May 27, 2026 https://github.com/feast-dev/feast/pull/6442/commits/28318b109378c6313a7ac256da7370df0f6fd307
bcb7340 style: ruff format spark.py abhijeet-dhumal May 27, 2026 https://github.com/feast-dev/feast/pull/6442/commits/bcb7340de06e3a92717f203a1e1a41b95b243743
63adf09 fix(spark): address review feedback on staging filesystem PR abhijeet-dhumal Jun 1, 2026 https://github.com/feast-dev/feast/pull/6442/commits/63adf09d9cd782d8cc18e6132bff3662cae9156e
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