---
title: "Discussion on \"Hyperloglog: Cardinality Estimation\" | Hashnode"
description: "Discussion on \"Hyperloglog: Cardinality Estimation\". Hyperloglog is another probabilistic data structure (just like bloom filter) that is used to find the cardinality of a multiset(can have multiple occurrences of the same element). It is being used in most of big data systems to compute the count of d..."
url: "https://hashnode.com/posts/hyperloglog-cardinality-estimation/5f538e7e3c1c7b7c69017830"
---

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# [Hyperloglog: Cardinality Estimation](https://apoorvtyagi.tech/hyperloglog-cardinality-estimation?utm_source=hashnode&utm_medium=feed)

Hyperloglog is another probabilistic data structure (just like bloom filter) that is used to find the cardinality of a multiset(can have multiple occurrences of the same element). It is being used in most of big data systems to compute the count of d...

Sep 5, 2020 · 6 min read · apoorvtyagi.tech  
Updated Mar 5, 2022  
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## Written by

[Apoorv Tyagi](https://hashnode.com/@apoorvtyagi)

@apoorvtyagi · India

  
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Senior Software Engineer | Tech Blogger | !(Chess GM)

Senior Software Engineer. I write about practical tips and epic stories about my experiences in the field of computer science and engineering!

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