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https://issues.apache.org/jira/browse/SOLR-17665?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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David Smiley updated SOLR-17665:
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Description: SOLR-13350 introduced {{multiThreaded}} query param,
defaulting to false, thus opt-in. But there is still a serious performance
impact; only setting {{indexSearcherExecutorThreads}} to -1 in solr.xml
mitigates the regression. (was: SOLR-10734 introduced {{multiThreaded}} query
param, defaulting to false, thus opt-in. But there is still a serious
performance impact; only setting {{indexSearcherExecutorThreads}} to -1 in
solr.xml mitigates the regression.)
> Perf regression: overhead of multiThreaded=false should be nothing
> ------------------------------------------------------------------
>
> Key: SOLR-17665
> URL: https://issues.apache.org/jira/browse/SOLR-17665
> Project: Solr
> Issue Type: Bug
> Components: search
> Affects Versions: 9.7
> Reporter: David Smiley
> Priority: Major
>
> SOLR-13350 introduced {{multiThreaded}} query param, defaulting to false,
> thus opt-in. But there is still a serious performance impact; only setting
> {{indexSearcherExecutorThreads}} to -1 in solr.xml mitigates the regression.
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