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From "Ankul Garg (JIRA)" <>
Subject [jira] Commented: (SOLR-706) Fast auto-complete suggestions
Date Thu, 06 Aug 2009 16:04:14 GMT


Ankul Garg commented on SOLR-706:

I got some benchmarking results comparing lucene's prefix search and autocomplete by trie
using hashMap at each node (roughly a TST or even better). TST works much better than lucene's
prefix search. How about using it in Solr?

> Fast auto-complete suggestions
> ------------------------------
>                 Key: SOLR-706
>                 URL:
>             Project: Solr
>          Issue Type: New Feature
>          Components: search
>            Reporter: Shalin Shekhar Mangar
>            Assignee: Shalin Shekhar Mangar
>             Fix For: 1.5
> A lot of users have suggested that facet.prefix in Solr is not the most efficient way
to implement an auto-complete suggestion feature. A fast in-memory trie like structure has
often been suggested instead. This issue aims to incorporate a faster/efficient way to answer
auto-complete queries in Solr.
> Refer to the following discussion on solr-dev --

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