Understanding Why OS RAM and Postgres Buffer Cache Compete

PostgreSQL

By NanoHertz Solutions - Jake Hertz

min read

May 22, 2026

PostgreSQL and your OS cache the same data twice. Learn how double buffering degrades performance at scale and how the 25% shared_buffers rule fixes it.

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Postgres Extensions Cheat Sheet: Replace 7 Databases With SQL

PostgreSQL

By Matty Stratton

May 02, 2026

Working SQL examples for replacing Elasticsearch, Pinecone, InfluxDB, Redis, and more, using Postgres extensions you can enable today.

Top 9 PostgreSQL Extensions Used by Tiger Data Customers in 2026

From ts_rank to BM25. Introducing pg_textsearch: True BM25 Ranking and Hybrid Retrieval Inside Postgres

Announcements & Releases

By Todd J. Green

Oct 23, 2025

pg_textsearch brings BM25 ranking to enable hybrid search to Postgres. Build RAG systems with keyword precision and vector semantics in one database.

Building a Reverse Video Search System With Mixpeek & PostgreSQL

By Haziqa Sajid

Nov 08, 2024

Follow this step-by-step guide to learn how to create a reverse video search system with Mixpeek and PostgreSQL's AI extensions: pgvector and pgvectorscale.