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https://issues.apache.org/jira/browse/LUCENE-8232?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16421217#comment-16421217
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ASF subversion and git services commented on LUCENE-8232:
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Commit acb3c379427193036f3d56503529400736ac5dff in lucene-solr's branch
refs/heads/master from [~simonw]
[ https://git-wip-us.apache.org/repos/asf?p=lucene-solr.git;h=acb3c37 ]
LUCENE-8232: Separate out PendingDeletes from ReadersAndUpdates
Today ReadersAndUpdates is tightly coupled with IW and all the
handling of pending deletes. This change decouples IW and pending
deletes from ReadersAndUpdates and makes PendingDeletes unittestable.
> Separate out PendingDeletes from ReadersAndUpdates
> ---------------------------------------------------
>
> Key: LUCENE-8232
> URL: https://issues.apache.org/jira/browse/LUCENE-8232
> Project: Lucene - Core
> Issue Type: Improvement
> Affects Versions: 7.4, master (8.0)
> Reporter: Simon Willnauer
> Priority: Major
> Fix For: 7.4, master (8.0)
>
> Attachments: LUCENE-8232.patch, LUCENE-8232.patch, LUCENE-8232.patch
>
>
> Today ReadersAndUpdates is tightly coupled with IW and all the handling of
> pending deletes. This change decouples IW and pending deletes from
> ReadersAndUpdates and allows expert users to customize how deletes are
> handled. This is useful or up to a certain extend mandatory to work with
> soft-deletes to allow merge policies to make the right decisions.
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