---
title: "#systemsdesign articles | Hashnode"
description: "Explore 4 articles tagged #systemsdesign on Hashnode. Tutorials, guides, and how-tos from the community."
url: "https://hashnode.com/tag/systemsdesign"
---

Tag

# #systemsdesign

4 posts · 0 followers

[Daniel Anthony Romitelli Jr](https://hashnode.com/@romiteld) · [Aug 3](https://hashnode.com/posts/a-cache-key-is-an-equivalence-relation/6a7106ae3366f9f4bfabcf2c)

### [A Cache Key Is an Equivalence Relation](https://craftedbydaniel.hashnode.dev/a-cache-key-is-an-equivalence-relation?utm_source=hashnode&utm_medium=feed)

A retry should not become a new creative decision. When a video job fails halfway through and runs again, the user still asked for the same scene. If a timestamp or retry count changes the lookup, the

4 min read · [craftedbydaniel.hashnode.dev](https://craftedbydaniel.hashnode.dev/a-cache-key-is-an-equivalence-relation?utm_source=hashnode&utm_medium=feed)

[Ankan Saha](https://hashnode.com/@theankansaha) · [Dec 27, 2025](https://hashnode.com/posts/how-i-developed-a-dns-server-to-explore-networking-the-nexoraldns-story/694f8c28f66d82f4ae1cc4d2)

### [How I Developed a DNS Server to Explore Networking: The NexoralDNS Story](https://blog.ankan.in/how-i-developed-a-dns-server-to-explore-networking-the-nexoraldns-story?utm_source=hashnode&utm_medium=feed)

NexoralDNS: A custom DNS server built for exploring networking, internals, and learning through curiosity and experiments

5 min read · [blog.ankan.in](https://blog.ankan.in/how-i-developed-a-dns-server-to-explore-networking-the-nexoraldns-story?utm_source=hashnode&utm_medium=feed)

[ACHALA PATIL](https://hashnode.com/@Achala-Patil) · [Oct 20, 2025](https://hashnode.com/posts/can-machine-learning-predict-deadlocks-uncovering-the-silent-killers-in-software/68f622022d8d9e6e70612acf)

### [Can Machine Learning Predict Deadlocks? Uncovering the Silent Killers in Software](https://tech-by-achala.hashnode.dev/can-machine-learning-predict-deadlocks-uncovering-the-silent-killers-in-software?utm_source=hashnode&utm_medium=feed)

Introduction: Ever had your app freeze out of nowhere, and you're just left sitting in front of the screen wondering what happened? Then chances are, you've encountered a deadlock—one of the sneakiest and most infuriating bugs in concurrent programmi...

7 min read · [tech-by-achala.hashnode.dev](https://tech-by-achala.hashnode.dev/can-machine-learning-predict-deadlocks-uncovering-the-silent-killers-in-software?utm_source=hashnode&utm_medium=feed)

[1](https://hashnode.com/posts/can-machine-learning-predict-deadlocks-uncovering-the-silent-killers-in-software/68f622022d8d9e6e70612acf)

[Subhashish (Subh) Bhattacharjee](https://hashnode.com/@sbcharr) · [Apr 15, 2025](https://hashnode.com/posts/understanding-write-ahead-logs-durability-beyond-the-flush/67fddbdc95336184f601e9ec)

### [Understanding Write-Ahead Logs: Durability Beyond the Flush](https://bytefreak.dev/understanding-write-ahead-logs-durability-beyond-the-flush?utm_source=hashnode&utm_medium=feed)

Discover how modern databases use Write-Ahead Logs to protect your data during failures.

5 min read · [bytefreak.dev](https://bytefreak.dev/understanding-write-ahead-logs-durability-beyond-the-flush?utm_source=hashnode&utm_medium=feed)