Add some docs explaining filter performance and behavior for HNSW #110108
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Backporting to 8.4 as that is when knn was GA'd |
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We should explain how HNSW can be slower with filtering and that there are two mitigations in place to address this.
This is not meant to be exhaustive with benchmarks, etc. I think a larger blog post is warranted for overall performance with filtering and explaining how HNSW graph exploration is effected.