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https://issues.apache.org/jira/browse/LUCENE-10180?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17431210#comment-17431210
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ASF subversion and git services commented on LUCENE-10180:
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Commit 1448e4739b90613d63ac9efeea1326214b720638 in lucene's branch 
refs/heads/hnsw from Adrien Grand
[ https://gitbox.apache.org/repos/asf?p=lucene.git;h=1448e47 ]

LUCENE-10180: Avoid using lambdas in SegmentMerger. (#385)



> 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
>             Fix For: main (9.0)
>
>         Attachments: profile.png
>
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> 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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