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Stop Bloating Vector Indexes: Slicing Embeddings with Spring AI and Pgvector

This story is from 2026-09-27. It is preserved in the archive; the latest stories are on the live feed.

Stop Bloating Vector Indexes: Slicing Embeddings with Spring AI and Pgvector Your Postgres instance is quietly running out of RAM because you are indexing default 1536-dimensional vectors for chunks that require a fraction of that depth. Matryoshka Representation Learning (MRL) lets you safely prun…

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  1. 2026-09-27 08:38 · DEV Community — AI
    Stop Bloating Vector Indexes: Slicing Embeddings with Spring AI and Pgvector

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