PostgreSQL Internals: Understanding Database Cluster Architecture
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Summary
A technical deep-dive into PostgreSQL's internal architecture, specifically explaining the logical structure of a database cluster. The author shares personal study notes while working through Hironobu Suzuki's "The Internals of PostgreSQL" book, defining a database cluster as a group of databases managed by a single PostgreSQL instance (distinct from the SQL standard's catalog cluster terminology).
Source
Hacker NewsPostgreSQL Internals: Understanding Database Cluster Architectureburaksen.devKey quotes
· 3 pulledA database cluster is not a collection of database servers in the context of PostgreSQL (SQL standard uses the term catalog cluster).
It means a group of databases managed by a single PostgreSQL instance.
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.
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