---
title: "Discussion on \"Building a secondary index of 1.5 million words for search and auto-complete using Redis cache\" | Hashnode"
description: "Discussion on \"Building a secondary index of 1.5 million words for search and auto-complete using Redis cache\". Recently I was playing around with building a secondary index for some documents to make them easily searchable using a search interface with auto-complete suggestions. I was interested to explore Redis for this task because it stores data completely..."
url: "https://hashnode.com/posts/building-a-secondary-index-of-15-million-words-for-search-and-auto-complete-using-redis-cache/625a873f52fb7bd53380e62c"
---

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# [Building a secondary index of 1.5 million words for search and auto-complete using Redis cache](https://prasannahn.hashnode.dev/building-a-secondary-index-of-15-million-words-for-search-and-auto-complete-using-redis-cache?utm_source=hashnode&utm_medium=feed)

Recently I was playing around with building a secondary index for some documents to make them easily searchable using a search interface with auto-complete suggestions. I was interested to explore Redis for this task because it stores data completely...

Apr 16, 2022 · 18 min read · prasannahn.hashnode.dev  
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-   [#redis](https://hashnode.com/tag/redis)
-   [#search](https://hashnode.com/tag/search)
-   [#python](https://hashnode.com/tag/python)
-   [#tutorial](https://hashnode.com/tag/tutorial)
-   [#data-structures](https://hashnode.com/tag/data-structures)

## Written by

[Narasimha Prasanna HN](https://hashnode.com/@prasannahn)

@prasannahn · Bangalore, India

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

Software Development Engineer, Blogger and Open Source Contributor

Software Development Engineer, Blogger and Open Source Contributor

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