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https://issues.apache.org/jira/browse/LUCENE-10180?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17430531#comment-17430531
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Adrien Grand commented on LUCENE-10180:
---------------------------------------

I'm not sure either, I don't think I did anything special so that this PR would 
not get linked here. Sorry [~vigyas]. If you're looking for an easy issue to 
get started, I could recommend this one: LUCENE-10084, though it's not related 
to merging.

> Remove usage of lambdas in SegmentMerger?
> -----------------------------------------
>
>                 Key: LUCENE-10180
>                 URL: https://issues.apache.org/jira/browse/LUCENE-10180
>             Project: Lucene - Core
>          Issue Type: Wish
>            Reporter: Adrien Grand
>            Priority: Minor
>         Attachments: profile.png
>
>
> SegmentMerger now uses lambdas to share the logic around logging merging 
> times for all file formats.
> One problem is that these lambdas get auto-generated names, and it makes it 
> harder to work with profilers since things that should logically end up in 
> the same sub tree end up in different sub trees because two instances of the 
> same lambda get different names.



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