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https://issues.apache.org/jira/browse/LUCENE-8334?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16492496#comment-16492496
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Simon Willnauer commented on LUCENE-8334:
-----------------------------------------
[~dweiss] I am glad you checking stuff out here. I did look and I wonder why
you can't just open the index you need from a directory and then steal the
SegmentReader from it's leaves? I can totally back this part out and open
another issue to discuss it, just asking to understand why there is no
alternative?
> Ensure SR#getSementInfo() returns snapshot
> ------------------------------------------
>
> Key: LUCENE-8334
> URL: https://issues.apache.org/jira/browse/LUCENE-8334
> Project: Lucene - Core
> Issue Type: Bug
> Reporter: Simon Willnauer
> Priority: Major
> Attachments: LUCENE-8334.patch
>
>
> The SegmentCommitInfo passed to the segment reader is mutated concurrently.
> An instance obtained from SR#getSegmentInfo() might return wrong delete
> counts
> or generation ids. This ensures that the SR will use a clone internally
> while stil
> maintaining the original SI since it's needed inside IW for maintainance
> like
> accessing pooled readers etc.
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