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Posted to dev@lucene.apache.org by "Simon Willnauer (JIRA)" <ji...@apache.org> on 2018/03/29 22:20:00 UTC
[jira] [Commented] (LUCENE-8232) Separate out PendingDeletes from
ReadersAndUpdates
[ https://issues.apache.org/jira/browse/LUCENE-8232?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16419865#comment-16419865 ]
Simon Willnauer commented on LUCENE-8232:
-----------------------------------------
here is a link to a PR for review https://github.com/s1monw/lucene-solr/pull/7
> 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
>
>
> 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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