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Posted to dev@lucene.apache.org by "Keith Laban (JIRA)" <ji...@apache.org> on 2017/03/06 20:07:34 UTC

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

    [ https://issues.apache.org/jira/browse/SOLR-10046?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15897964#comment-15897964 ] 

Keith Laban commented on SOLR-10046:
------------------------------------

Thanks Christine, I missed this last comment. I merged your pull request

> 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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