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From "Adrien Grand (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LUCENE-8296) PendingDeletes shouldn't write to live docs that it shared
Date Fri, 04 May 2018 15:19:00 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-8296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16464009#comment-16464009
] 

Adrien Grand commented on LUCENE-8296:
--------------------------------------

Here is a patch.

> PendingDeletes shouldn't write to live docs that it shared
> ----------------------------------------------------------
>
>                 Key: LUCENE-8296
>                 URL: https://issues.apache.org/jira/browse/LUCENE-8296
>             Project: Lucene - Core
>          Issue Type: Improvement
>            Reporter: Adrien Grand
>            Priority: Minor
>         Attachments: LUCENE-8296.patch
>
>
> PendingDeletes has a markAsShared mechanism that allow to make sure that the latest livedocs
are not going to receive more updates. But it is not always used, and I was able to verify
that in some cases we end up with readers whose live docs disagree with the number of deletes.
Even though this might not be causing bugs, it feels dangerous to me so I think we should
consider always marking live docs as shared in #getLiveDocs.



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