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https://issues.apache.org/jira/browse/SOLR-5730?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15144818#comment-15144818
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ASF subversion and git services commented on SOLR-5730:
-------------------------------------------------------
Commit 6a9d89309595ff668f851c17af4f3f97af7640c1 in lucene-solr's branch
refs/heads/branch_5_5 from [~cpoerschke]
[ https://git-wip-us.apache.org/repos/asf?p=lucene-solr.git;h=6a9d893 ]
SOLR-8621: factor out protected abstract
WrapperMergePolicyFactory.getMergePolicyInstance method
Here in SOLR-8621:
* UpgradeIndexMergePolicyFactory extends WrapperMergePolicyFactory
* (WrapperMergePolicyFactoryTest's) DefaultingWrapperMergePolicyFactory
extends WrapperMergePolicyFactory
Elsewhere in SOLR-5730:
* SortingMergePolicyFactory will extend WrapperMergePolicyFactory
> make Lucene's SortingMergePolicy and EarlyTerminatingSortingCollector
> configurable in Solr
> ------------------------------------------------------------------------------------------
>
> Key: SOLR-5730
> URL: https://issues.apache.org/jira/browse/SOLR-5730
> Project: Solr
> Issue Type: New Feature
> Reporter: Christine Poerschke
> Assignee: Christine Poerschke
> Priority: Minor
> Labels: blocker
> Fix For: 5.5, master
>
> Attachments: SOLR-5730-part1and2.patch, SOLR-5730-part1and2.patch,
> SOLR-5730-part1of2.patch, SOLR-5730-part1of2.patch, SOLR-5730-part2of2.patch,
> SOLR-5730-part2of2.patch
>
>
> *Example configuration (solrconfig.xml) :*
> {noformat}
> -<mergePolicy class="TieredMergePolicy"/>
> +<mergePolicyFactory class="org.apache.solr.index.SortingMergePolicyFactory">
> + <str name="wrapped.prefix">in</str>
> + <str name="in.class">org.apache.solr.index.TieredMergePolicyFactory</str>
> + <str name="sort">timestamp desc</str>
> +</mergePolicyFactory>
> {noformat}
> *Example use (EarlyTerminatingSortingCollector):*
> {noformat}
> &sort=timestamp+desc&segmentTerminateEarly=true
> {noformat}
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