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https://issues.apache.org/jira/browse/LUCENE-7863?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16054262#comment-16054262
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David Smiley commented on LUCENE-7863:
--------------------------------------

Instead of hacking the index/codec, have you thought of using another field 
that only has the reversed terms?

> Don't repeat postings and positions on ReverseWF, EdgeNGram, etc  
> ------------------------------------------------------------------
>
>                 Key: LUCENE-7863
>                 URL: https://issues.apache.org/jira/browse/LUCENE-7863
>             Project: Lucene - Core
>          Issue Type: Improvement
>          Components: core/index
>            Reporter: Mikhail Khludnev
>         Attachments: LUCENE-7863.hazard
>
>
> h2. Context
> \*suffix and \*infix\* searches on large indexes. 
> h2. Problem
> Obviously applying {{ReversedWildcardFilter}} doubles an index size, and I'm 
> shuddering to think about EdgeNGrams...
> h2. Proposal 
> _DRY_



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