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From "ASF subversion and git services (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-13348) CollapsingQParserPlugin should not run scorer for documents not eligible for collapsing
Date Thu, 02 May 2019 21:16:00 GMT

    [ https://issues.apache.org/jira/browse/SOLR-13348?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16831978#comment-16831978
] 

ASF subversion and git services commented on SOLR-13348:
--------------------------------------------------------

Commit 29a98825d0b70166c6c759d022f2c1426b145fe1 in lucene-solr's branch refs/heads/master
from Ishan Chattopadhyaya
[ https://gitbox.apache.org/repos/asf?p=lucene-solr.git;h=29a9882 ]

SOLR-13348: Speed up collapsing by avoiding scoring of ineligible documents


> CollapsingQParserPlugin should not run scorer for documents not eligible for collapsing
> ---------------------------------------------------------------------------------------
>
>                 Key: SOLR-13348
>                 URL: https://issues.apache.org/jira/browse/SOLR-13348
>             Project: Solr
>          Issue Type: Improvement
>      Security Level: Public(Default Security Level. Issues are Public) 
>          Components: search
>    Affects Versions: 8.0, master (9.0)
>            Reporter: Andrzej Wislowski
>            Assignee: Ishan Chattopadhyaya
>            Priority: Major
>         Attachments: SOLR-13348.patch
>
>
> CollapsingQParserPlugin should not run scorer for documents not eligible for collapsing
(in cases when score is not needed for collapsing operation) but only for the result sorting,
decoration of result fields or boosting.
>  
> Performance improvement example:
> 2_000_000 documents collapsed by sort without score to 130_000 then sorted by score improved
from 4300ms to 2700ms
>  
> I am attaching patch on master branch. 
>  
>  



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