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HNSW not support remove_ids? "IDMap2,HNSW32,Flat" also not support remove_ids? #3339

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lgbest123 opened this issue Apr 2, 2024 · 1 comment
Open
4 tasks

HNSW not support remove_ids? "IDMap2,HNSW32,Flat" also not support remove_ids? #3339

lgbest123 opened this issue Apr 2, 2024 · 1 comment
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@lgbest123
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Summary

Platform

OS:

Faiss version:

Installed from:

Faiss compilation options:

Running on:

  • CPU
  • GPU

Interface:

  • C++
  • Python

Reproduction instructions
@lgbest123 lgbest123 changed the title ls HNSW not support remove_ids? "IDMap2,HNSW32,Flat" also not support remove_ids? Apr 2, 2024
@mdouze
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mdouze commented Apr 5, 2024

No, HNSW does not support remove_ids.
It is non-trivial to implement because the graph has to be re-linked after some nodes are removed.

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@lgbest123 @mdouze