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From "ASF subversion and git services (JIRA)" <>
Subject [jira] [Commented] (LUCENE-6819) Deprecate index-time boosts?
Date Thu, 02 Mar 2017 18:39:45 GMT


ASF subversion and git services commented on LUCENE-6819:

Commit 5f8a6dfff65599d961b99c6ff03b70b79e2ccaf4 in lucene-solr's branch refs/heads/branch_6x
from [~jpountz]
[;h=5f8a6df ]

LUCENE-6819: Deprecate index-time boosts.

> Deprecate index-time boosts?
> ----------------------------
>                 Key: LUCENE-6819
>                 URL:
>             Project: Lucene - Core
>          Issue Type: Task
>            Reporter: Adrien Grand
>            Priority: Minor
>         Attachments: LUCENE-6819-deprecation.patch, LUCENE-6819-deprecation.patch, LUCENE-6819-deprecation.patch,
LUCENE-6819.patch, LUCENE-6819.patch, LUCENE-6819-wip.patch
> Follow-up of this comment:
> Index-time boosts are a very expert feature whose behaviour is tight to the Similarity
impl. Additionally users have often be confused by the poor precision due to the fact that
we encode values on a single byte. But now we have doc values that allow you to encode any
values the way you want with as much precision as you need so maybe we should deprecate index-time
boosts and recommend to encode index-time scoring factors into doc values fields instead.

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