---
title: "Discussion on \"An mmap-based hash table optimization\" | Hashnode"
description: "Discussion on \"An mmap-based hash table optimization\". mmap is a controversial topic among the database community. But it does a decent job for an analytical database and unlocks some optimizations."
url: "https://hashnode.com/posts/an-mmap-based-hash-table-optimization/665aeb7226bb742d794b044a"
---

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# [An mmap-based hash table optimization](https://puzpuzpuz.dev/an-mmap-based-hash-table-optimization?utm_source=hashnode&utm_medium=feed)

mmap is a controversial topic among the database community. But it does a decent job for an analytical database and unlocks some optimizations.

Jun 1, 2024 · 2 min read · puzpuzpuz.dev  
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-   [#databases](https://hashnode.com/tag/databases)
-   [#data-structures](https://hashnode.com/tag/data-structures)
-   [#performance](https://hashnode.com/tag/performance)

## Written by

[Andrei Pechkurov](https://hashnode.com/@puzpuzpuz)

@puzpuzpuz

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

Top data race and segfault producer in the room.

Core database engineer at QuestDB. Distributed systems gazer. Node.js contributor. Occasional tech blogger and speaker.

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