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Posted to dev@lucene.apache.org by "Christine Poerschke (JIRA)" <ji...@apache.org> on 2017/02/21 10:12:44 UTC

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

     [ https://issues.apache.org/jira/browse/SOLR-10046?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Christine Poerschke reassigned SOLR-10046:
------------------------------------------

    Assignee: Christine Poerschke

> 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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