---
title: "Discussion on \"The Architecture Behind \"Just Show Me the Top K\"\" | Hashnode"
description: "Discussion on \"The Architecture Behind \"Just Show Me the Top K\"\". I break down a \"top K most-viewed videos\" system design — sharding, stream checkpointing, and Count-Min Sketch — with 8 diagrams and the real math."
url: "https://hashnode.com/posts/the-architecture-behind-just-show-me-the-top-k/6a6da0ecf33285aaeac522a9"
---

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# [The Architecture Behind "Just Show Me the Top K"](https://minhleduc.hashnode.dev/the-architecture-behind-just-show-me-the-top-k?utm_source=hashnode&utm_medium=feed)

I break down a "top K most-viewed videos" system design — sharding, stream checkpointing, and Count-Min Sketch — with 8 diagrams and the real math.

Aug 1 · 17 min read · minhleduc.hashnode.dev  
Read the article

-   [#system-design](https://hashnode.com/tag/system-design)
-   [#real-time-tracking](https://hashnode.com/tag/real-time-tracking)
-   [#ranking](https://hashnode.com/tag/ranking)
-   [#development](https://hashnode.com/tag/development)

## Written by

[minhleduc](https://hashnode.com/@firefrog)

@firefrog · Ho Chi Minh City, Vietnam

  
[View profile](https://hashnode.com/@firefrog)

Just another Dev guy.

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