The short version
Free PostgreSQL internals guide; a commenter recommends starting with heap-only tuple updates.
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The Internals of PostgreSQL
Free PostgreSQL internals guide; a commenter recommends starting with heap-only tuple updates.
At a glance:
First seen:2026-11-05
Last seen:2026-11-05
Times seen:1
Website:interdb.jp
Why it caught our attention
A specific reading recommendation supplies a useful entry point into a substantial technical guide.
Where it surfaced on Hacker News
2026-11-05
“If you are just skimming this doc, The HoT update path is the section I would jump to. Understand HoT and then read the zHeap implementation notes (also of TOAST) puts a good mental model of what postgres does and what it doesn't do.”
gopalv · recommendation
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The Internals of PostgreSQL