I understand that metadata increases the size of the index to allow searching on it. What if I want to specify some metadata to accompany the vectors returned by ANN, but don’t need to search on that data and don’t want to incur the search-related space overhead for the index?
In that case you would use selective metadata filtering so that only the fields you need to search against are indexed. Any others will still be returned if you use include_metadata: True but they won’t consume extra storage space (aside from the space needed to store their values, that is).
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