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https://issues.apache.org/jira/browse/SOLR-3085?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13851634#comment-13851634
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Jan Høydahl commented on SOLR-3085:
-----------------------------------
This issue is still with us... How do people feel about a super-simple fix
through a new optional param:
{{mm.autoRelax=true|false}} : Automatically relax number of MUST clauses when
tokens are removed from some fields but not all
It would count number of fields remaining for each clause and then adjust MM
accordingly. I can attempt a patch.
> Fix 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
> Labels: MinimumShouldMatch, dismax, stopwords
>
> 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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