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Vector Search Limitations |
Learn the limitations of the TiDB Vector Search. |
This document describes the known limitations of TiDB Vector Search. We are continuously working to enhance your experience by adding more features.
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TiDB Vector Search is only available for TiDB Serverless clusters. It is not available for TiDB Dedicated or TiDB Self-Hosted.
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Each vector supports up to 16,000 dimensions.
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Vector data supports only single-precision floating-point numbers (Float32).
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Only cosine distance and L2 distance are supported when you create a vector search index.
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