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https://issues.apache.org/jira/browse/SOLR-15394?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17350508#comment-17350508
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Houston Putman commented on SOLR-15394:
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Can you show us the XML of the field type being queried? (including all of the
analysis chain)
> Performance Issue with Solr 8.6.3 for MultiTermQuery
> ----------------------------------------------------
>
> Key: SOLR-15394
> URL: https://issues.apache.org/jira/browse/SOLR-15394
> Project: Solr
> Issue Type: Bug
> Affects Versions: 8.6.3
> Reporter: Enyang Wang
> Priority: Major
> Labels: PERFORMANCE
>
> In our Hybris project, we noticed a performance issue since the migration to
> 8.4.1, when the user searches with multiple words (MultiTermQuery), e.g.
> "Data Migration". The response time I measured was over 8 seconds. This issue
> doesn't exist with Solor 7.7.3, what we have tested in a test environment, in
> which the response time for the same search terms was under 2 seconds. The
> other observation is: in case of a very long search value (e.g. 8 words), it
> would take up to 30 seconds until i receive 502 Proxy Error:
> The proxy server received an invalid response from an upstream server. The
> proxy server could not handle the request. Reason: Error reading from remote
> server.
>
> The Solr 8.4.1 was then migrated to 8.6.3 later due to our awareness of
> https://issues.apache.org/jira/browse/LUCENE-9068. But the performance issue
> in case of multiple search terms could still not be solved.
> Solr spec: 8.6.3
> Lucene spec: 8.6.3
> Java spec: 11 (OpenJDK 64-Bit Server VM 11.0.10)
> I could not find any related information for Solr 8.6.3, therefore the
> ticket. I'd appreciate to receive helpful resources and further support.
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