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Feature/altastata storage manager#664

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SergeVil wants to merge 3 commits into
FNNDSC:masterfrom
SergeVil:feature/altastata-storage-manager
Open

Feature/altastata storage manager#664
SergeVil wants to merge 3 commits into
FNNDSC:masterfrom
SergeVil:feature/altastata-storage-manager

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@SergeVil SergeVil commented Oct 8, 2025

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- Implement AltaStataManager extending StorageManager interface
- Add comprehensive test suite for Altastata functionality
- Include configuration documentation and examples
- Support for account directory and credentials authentication
- Clean filename handling (removes Altastata versioning suffixes)
- Full directory operations support (nested dirs, bulk operations)
- Ready for integration as alternative storage backend
- Add Java 8+ requirement (Java 17 recommended)
- Include official PyPI installation command
- Add Java verification steps
- Update troubleshooting section with Java-related errors
- Reference official altastata package at https://pypi.org/project/altastata/
- Previously calculated num_chunks incorrectly, only downloading partial files
- Now downloads complete file using 4 parallel chunks for files > 1MB
- Uses single chunk for small files (<=1MB) to avoid unnecessary overhead
- Improves download performance for large files
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