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LUCENE-10471 Increse max dims for vectors to 2048 #874

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LUCENE-10471 Increse max dims for vectors to 2048 #874

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Commits on May 9, 2022

  1. LUCENE-10471 Increse max dims for vectors to 2048 

    Increase the maximum number of dims for KNN vectors to 2048.

The current maximum allowed number of dimensions is equal to 1024.
But we see in practice a number of models that produce vectors with > 1024
dimensions, especially for image encoding (e.g mobilenet_v2 uses
 1280d vectors, OpenAI / GPT-3 Babbage uses 2048d vectors).
Increasing max dims to `2048` will satisfy these use cases.

We should not recommend further increase of vector dims.
    @mayya-sharipova
    mayya-sharipova committed May 9, 2022
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