---
title: "Discussion on \"PostgreSQL Internals\" | Hashnode"
description: "Discussion on \"PostgreSQL Internals\". Architecture\n\nPostgreSQL uses shared memory to speed things up by avoiding unnecessary disk reads/writes. Inside shared memory, there are two important parts\nShared Buffer\n\nStores frequently accessed data blocks\n\nIt reduces I/O\n\nSupports multiple use..."
url: "https://hashnode.com/posts/postgresql-internals/681610faf274edd4ba300d93"
---

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# [PostgreSQL Internals](https://hackstone.hashnode.dev/postgresql-internals?utm_source=hashnode&utm_medium=feed)

Architecture PostgreSQL uses shared memory to speed things up by avoiding unnecessary disk reads/writes. Inside shared memory, there are two important parts Shared Buffer Stores frequently accessed data blocks It reduces I/O Supports multiple use...

May 3, 2025 · 3 min read · hackstone.hashnode.dev  
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## Written by

[Mudit Jain](https://hashnode.com/@muditjain)

@muditjain · Delhi , India

  
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Full Stack | Open Source | Devops

Hello there! 👋I am a fellow third-year CSE student at NSUT with a passion for Full Stack development, Open Source, and DevOps! 🚀

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