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https://issues.apache.org/jira/browse/LUCENE-10374?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17475553#comment-17475553
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Greg Miller commented on LUCENE-10374:
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{quote}[~gsmiller] I agree, looking at the commit, it seems crazy. maybe give
it a few days, get a couple more data points, to see if it is noise in the
benchmark?
{quote}
Yeah, crazy indeed. I suppose it could be noise but I dunno. I just merged part
of the optimization to see if breaking up the different pieces of the change
helps isolate the regression. I'm wondering if maybe there's some funky
optimization difference in the JVM that's happening on some hardware due to the
different loop styles? I really don't know.
> Track down the "browse" taxonomy faceting qps regression
> --------------------------------------------------------
>
> Key: LUCENE-10374
> URL: https://issues.apache.org/jira/browse/LUCENE-10374
> Project: Lucene - Core
> Issue Type: Improvement
> Components: modules/facet
> Reporter: Greg Miller
> Priority: Major
>
> We need to track down the source of the regression observed here:
> [https://home.apache.org/~mikemccand/lucenebench/2022.01.10.18.03.12.html.]
> Some details on the regression hunting are in
> [https://github.com/apache/lucene/pull/597.]
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