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Posted to dev@lucene.apache.org by "Simon Willnauer (JIRA)" <ji...@apache.org> on 2018/03/29 22:18:00 UTC

[jira] [Created] (LUCENE-8232) Separate out PendingDeletes from ReadersAndUpdates

Simon Willnauer created LUCENE-8232:
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             Summary:  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
             Fix For: 7.4, master (8.0)


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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