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Posted to dev@lucene.apache.org by "Jan Høydahl (JIRA)" <ji...@apache.org> on 2015/08/03 00:43:07 UTC
[jira] [Resolved] (SOLR-3085) New edismax param mm.autoRelax to aid
in fixing the dismax/edismax stopwords mm issue
[ https://issues.apache.org/jira/browse/SOLR-3085?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jan Høydahl resolved SOLR-3085.
-------------------------------
Resolution: Fixed
Resolving as fixed. Please re-open if back-porting to 5.x
> New edismax param mm.autoRelax to aid in fixing the dismax/edismax stopwords mm issue
> -------------------------------------------------------------------------------------
>
> Key: SOLR-3085
> URL: https://issues.apache.org/jira/browse/SOLR-3085
> Project: Solr
> Issue Type: Bug
> Components: query parsers
> Reporter: Jan Høydahl
> Assignee: Jan Høydahl
> Labels: MinimumShouldMatch, dismax, edismax, stopwords
> Fix For: Trunk
>
> Attachments: SOLR-3085.patch, SOLR-3085.patch, SOLR-3085.patch, SOLR-3085.patch
>
>
> As discussed here http://search-lucene.com/m/Wr7iz1a95jx and here http://search-lucene.com/m/Yne042qEyCq1 and here http://search-lucene.com/m/RfAp82nSsla DisMax has an issue with stopwords if not all fields used in QF have exactly same stopword lists.
> Typical solution is to not use stopwords or harmonize stopword lists across all fields in your QF, or relax the MM to a lower percentag. Sometimes these are not acceptable workarounds, and we should find a better solution.
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