Add Support for OpenSearch Vector database #1191
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Signed-off-by: Naveen Tatikonda <navtat@amazon.com>
Signed-off-by: Naveen Tatikonda <navtat@amazon.com>
Signed-off-by: Naveen Tatikonda <navtat@amazon.com>
hwchase17
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Feb 21, 2023
docs/modules/indexes/chain_examples/vector_db_qa_with_sources.ipynb
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Signed-off-by: Naveen Tatikonda <navtat@amazon.com>
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### Description This PR adds a wrapper which adds support for the OpenSearch vector database. Using opensearch-py client we are ingesting the embeddings of given text into opensearch cluster using Bulk API. We can perform the `similarity_search` on the index using the 3 popular searching methods of OpenSearch k-NN plugin: - `Approximate k-NN Search` use approximate nearest neighbor (ANN) algorithms from the [nmslib](https://github.com/nmslib/nmslib), [faiss](https://github.com/facebookresearch/faiss), and [Lucene](https://lucene.apache.org/) libraries to power k-NN search. - `Script Scoring` extends OpenSearch’s script scoring functionality to execute a brute force, exact k-NN search. - `Painless Scripting` adds the distance functions as painless extensions that can be used in more complex combinations. Also, supports brute force, exact k-NN search like Script Scoring. ### Issues Resolved langchain-ai#1054 --------- Signed-off-by: Naveen Tatikonda <navtat@amazon.com>
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Description
This PR adds a wrapper which adds support for the OpenSearch vector database. Using opensearch-py client we are ingesting the embeddings of given text into opensearch cluster using Bulk API. We can perform the
similarity_searchon the index using the 3 popular searching methods of OpenSearch k-NN plugin:Approximate k-NN Searchuse approximate nearest neighbor (ANN) algorithms from the nmslib, faiss, and Lucene libraries to power k-NN search.Script Scoringextends OpenSearch’s script scoring functionality to execute a brute force, exact k-NN search.Painless Scriptingadds the distance functions as painless extensions that can be used in more complex combinations. Also, supports brute force, exact k-NN search like Script Scoring.Issues Resolved
#1054