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https://issues.apache.org/jira/browse/SOLR-10046?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15840540#comment-15840540
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ASF GitHub Bot commented on SOLR-10046:
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GitHub user kelaban opened a pull request:
https://github.com/apache/lucene-solr/pull/144
SOLR-10046 - Add UninvertDocValuesMergePolicyFactory and lucene/OneMe…
…rgeWrappingMergePolicy
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/kelaban/lucene-solr
jira/master/SOLR-10046/create-uninvert-docvalues-merge-policy
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/lucene-solr/pull/144.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #144
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commit bf8877fcb909422de5427ee9a7b791570a92ae22
Author: Keith Laban <[email protected]>
Date: 2017-01-25T20:43:23Z
SOLR-10046 - Add UninvertDocValuesMergePolicyFactory and
lucene/OneMergeWrappingMergePolicy
----
> Create UninvertDocValuesMergePolicy
> -----------------------------------
>
> Key: SOLR-10046
> URL: https://issues.apache.org/jira/browse/SOLR-10046
> Project: Solr
> Issue Type: Bug
> 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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