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https://issues.apache.org/jira/browse/LUCENE-1645?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12711086#action_12711086
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Michael McCandless commented on LUCENE-1645:
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bq. Lazy clone() is a bad idea, since it has to be synced.
Right; I think we should simply clone shared subreaders on reopen.
bq. Or make readers immutable
I think it's too soon to do this. In theory, NRT should enable us to deprecate
deletions from IW, but 1) we need NRT released and some real experience before
doing so, and 2) we still need to get setNorm working from IW.
bq. By the way, do we need public IR cloneability?
I think we do? Eg it enables you to clone a readOnly reader to a read/write
one in order to do deletes/setNorm.
> Deleted documents are visible across reopened MSRs
> --------------------------------------------------
>
> Key: LUCENE-1645
> URL: https://issues.apache.org/jira/browse/LUCENE-1645
> Project: Lucene - Java
> Issue Type: Bug
> Affects Versions: 2.9
> Reporter: Earwin Burrfoot
> Fix For: 2.9
>
> Attachments: LUCENE-1645.patch
>
>
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