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https://issues.apache.org/jira/browse/SOLR-15313?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Suryakant Pandey resolved SOLR-15313.
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Resolution: Duplicate
> Solr LTR tree model latency optimisation
> ----------------------------------------
>
> Key: SOLR-15313
> URL: https://issues.apache.org/jira/browse/SOLR-15313
> Project: Solr
> Issue Type: Task
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Suryakant Pandey
> Priority: Major
>
> Currently, tree traversal for solr LTR model happens in a recursive manner.
> This came out to be a performance bottleneck( via solr profiling) in terms of
> solr latency when we tried to increase number of trees.
> (Recursion is slower due to overhead of function call stack)
>
> We optimised this by translating recursion logic to loop based approach.
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