PostGIS Day 2022: GiST Index Building in PostgreSQL 15

Watch Kontur’s Aliaksandr Kalenik does a deep dive into GiST indexing in Postgres 15. This talk includes explanations of index scanning and sorting methods, sort support, index scan algorithms, how the index is buffered, and the sizes of indexes. He also shows off some benchmarking on GIST indexing in Postgres 14 vs 15.

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