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        "author": "Cung Tran",
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        "description": "===========\nNeedlestack\n===========\n\n.. image:: https://img.shields.io/pypi/v/needlestack.svg\n        :target: https://pypi.python.org/pypi/needlestack\n\n.. image:: https://img.shields.io/travis/needlehaystack/needlestack.svg\n        :target: https://travis-ci.org/needlehaystack/needlestack\n\n.. image:: https://coveralls.io/repos/github/needlehaystack/needlestack/badge.svg?branch=master\n        :target: https://coveralls.io/github/needlehaystack/needlestack?branch=master\n\n.. image:: https://readthedocs.org/projects/needlestack/badge/?version=latest\n        :target: https://needlestack.readthedocs.io/en/latest/?badge=latest\n        :alt: Documentation Status\n\n\n\nNeedlestack is a distributed vector search microservice.\n\n\n- Free software: MIT license\n- Documentation: https://needlestack.readthedocs.io.\n\n\nFeatures\n--------\n\n- gRPC server for kNN vector search\n- Shard vectors over multiple nodes\n- Replicate shard over multiple nodes\n- Retrieve vectors by ID\n\n\nCaveats\n-------\nThese are some limitations of the current alpha builds\n\n- Vectors must be sharded and indexed before loading to Needlestack\n- To reload updated vectors, all ``MergerServicer`` and ``SearcherServicer`` nodes must be restarted\n- Vectors must be saved locally to disk for Needlestack to load them\n- Only kNN library supported currently is `Faiss <https://github.com/facebookresearch/faiss/>`_\n\n\nNext Steps\n----------\nThese are valuable features to make Needlestack usable in production\n\n- Endpoint to index vectors in realtime\n- Update vectors from pre-built data sources without restarting the cluster\n- Allow vectors to be loaded from data sources like S3 or GCS\n- Add support for other kNN libraries\n\n\n",
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