How to disable keywords?

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1. Is this request related to a challenge you're experiencing? Tell me about your story.

I am using the create_by_text API to upload my documents (around 22,000). The documents have been uploaded, but the vectors are still queued for computation (very slow, seems to be calculated one by one rather than in parallel).

Last time, I uploaded about 40,000 documents, which resulted in filling up my hard drive space (using over 100GB, while my original files were only around 200MB).

This time, I conducted further observations and found that the dataset_keyword_tables table occupies a very high amount of space, which can be said to be largely occupied by this table.

I suspect that this table is used to store the keywords corresponding to each document, but I only use vector search. How can I disable keywords? Or is there any way to reduce this table's hard drive usage?

2. Additional context or comments

Related issue: #6269