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From "Jack Krupansky (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-8621) solrconfig.xml: deprecate/replace <mergePolicy> with <mergePolicyFactory>
Date Thu, 18 Feb 2016 21:08:18 GMT

    [ https://issues.apache.org/jira/browse/SOLR-8621?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15153085#comment-15153085
] 

Jack Krupansky commented on SOLR-8621:
--------------------------------------

Shouldn't the index config reference page still list <mergePolicy> but with a "Deprecated"
notice? Ditto for <mergeFactor>.

The Upgrading Solr ref page does give an example of how to migrate from MP to MPF (and for
MF) - it would be nice to link to that from a deprecated notice on the index config page.

See:
https://cwiki.apache.org/confluence/display/solr/IndexConfig+in+SolrConfig
https://cwiki.apache.org/confluence/display/solr/Upgrading+Solr


> solrconfig.xml: deprecate/replace <mergePolicy> with <mergePolicyFactory>
> -------------------------------------------------------------------------
>
>                 Key: SOLR-8621
>                 URL: https://issues.apache.org/jira/browse/SOLR-8621
>             Project: Solr
>          Issue Type: Task
>            Reporter: Christine Poerschke
>            Assignee: Christine Poerschke
>             Fix For: 5.5, master
>
>         Attachments: SOLR-8621-example_contrib_configs.patch, SOLR-8621-example_contrib_configs.patch,
SOLR-8621.patch, explicit-merge-auto-set.patch
>
>
> *<mergePolicyFactory> end-user benefits:*
> * Lucene's UpgradeIndexMergePolicy can be configured in Solr
> * Lucene's SortingMergePolicy can be configured in Solr (with SOLR-5730)
> * customisability: arbitrary merge policies including wrapping/nested merge policies
can be created and configured
> *roadmap:*
> * solr 5.5 introduces <mergePolicyFactory> support
> * solr 5.5 deprecates (but maintains) <mergePolicy> support
> * SOLR-8668 in solr 6.0(\?) will remove <mergePolicy> support 



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