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[jira] [Commented] (SOLR-10046) Create UninvertDocValuesMergePolicy

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[jira] [Commented] (SOLR-10046) Create UninvertDocValuesMergePolicy

JIRA jira@apache.org

    [ https://issues.apache.org/jira/browse/SOLR-10046?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15933314#comment-15933314 ]

ASF subversion and git services commented on SOLR-10046:
--------------------------------------------------------

Commit ffaa2345b40cff5287fcf8edaf9059cf3a8d1892 in lucene-solr's branch refs/heads/master from [~cpoerschke]
[ https://git-wip-us.apache.org/repos/asf?p=lucene-solr.git;h=ffaa234 ]

SOLR-10046: move from 6.5.0 to 6.6.0 CHANGES.txt (backport yet to be completed)


> Create UninvertDocValuesMergePolicy
> -----------------------------------
>
>                 Key: SOLR-10046
>                 URL: https://issues.apache.org/jira/browse/SOLR-10046
>             Project: Solr
>          Issue Type: Improvement
>      Security Level: Public(Default Security Level. Issues are Public)
>            Reporter: Keith Laban
>            Assignee: Christine Poerschke
>
> Create a merge policy that can detect schema changes and use UninvertingReader to uninvert fields and write docvalues into merged segments when a field has docvalues enabled.
> The current behavior is to write null values in the merged segment which can lead to data integrity problems when sorting or faceting pending a full reindex.
> With this patch it would still be recommended to reindex when adding docvalues for performance reasons, as it not guarenteed all segments will be merged with docvalues turned on.



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