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Current state: Under Discussion

ISSUE: #2771


Keywords: Vector Index

Released: TBD


We got requirement for supporting ScaNN index in Milvus. This proposal is about how to integrate a new index into knowhere and expose it to client. 

Document about how knowhere works in milvus v1.x: m1_chain.pdf

Docement about how knowhere works in milvus v2.0: TODO


  • Google recently released a new algorithm to find Approximate Nearest Neighbors called ScaNN.
    They show through benchmarks that it can perform significantly better than the existing solutions like Annoy, FAISS, hnsw.

Public Interfaces

Compatibility, Deprecation, and Migration Plan

Test Plan

Rejected Alternatives


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