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https://issues.apache.org/jira/browse/LUCENE-8069?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16269204#comment-16269204
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Hoss Man commented on LUCENE-8069:
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would sorting by fieldNorm be as useful but easier then looking at the actual
field "length" (in terms of raw term count)
IIRC the existing index sorting (on a doc values field) should be largely
re-usable for field norms correct? (because aren't norms essentially just
docvalues these days?)
> Allow index sorting by field length
> -----------------------------------
>
> Key: LUCENE-8069
> URL: https://issues.apache.org/jira/browse/LUCENE-8069
> Project: Lucene - Core
> Issue Type: Wish
> Reporter: Adrien Grand
> Priority: Minor
>
> Short documents are more likely to get higher scores, so sorting an index by
> field length would mean we would be likely to collect best matches first.
> Depending on the similarity implementation, this might even allow to early
> terminate collection of top documents on term queries.
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