Reading the internals of Postgres: Database cluster, databases, and tables
The author shares personal notes on the internal architecture of PostgreSQL, focusing on how the database manages clusters, databases, and system catalogs. The post aims to demystify how Postgres stores and organizes data objects using OIDs.
Why it matters
PostgreSQL is a foundational technology for modern web infrastructure; understanding its internals helps developers optimize performance and troubleshoot complex issues.
I'm delving into Postgres Internals and while doing that I thought it would be better to write my notes to keep me accountable and try to internalize my readings. Thanks Hironobu Suzuki for this great reference and his work on Postgres. Here is the source link https://www.interdb.jp/pg/index.html .
Technical educational content with no political or social bias.
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