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Posted to dev@lucene.apache.org by "Keith Laban (JIRA)" <ji...@apache.org> on 2017/01/26 22:17:24 UTC
[jira] [Updated] (SOLR-10046) Create UninvertDocValuesMergePolicy
[ https://issues.apache.org/jira/browse/SOLR-10046?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Keith Laban updated SOLR-10046:
-------------------------------
Issue Type: Improvement (was: Bug)
> 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
>
> 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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