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https://issues.apache.org/jira/browse/SOLR-706?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12740128#action_12740128
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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: https://issues.apache.org/jira/browse/SOLR-706
> 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 --
> http://markmail.org/message/sjjojrnroo3msugj
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