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Posted to issues@solr.apache.org by "Cassandra Targett (Jira)" <ji...@apache.org> on 2021/08/19 16:30:00 UTC
[jira] [Resolved] (SOLR-15394) Performance Issue with Solr 8.6.3
for MultiTermQuery
[ https://issues.apache.org/jira/browse/SOLR-15394?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Cassandra Targett resolved SOLR-15394.
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Resolution: Invalid
Resolving this because there really isn't anything actionable from a bug perspective and not enough information was provided for us to find that in the problem description.
The issue should be taken to the user list first (see https://solr.apache.org/community.html#mailing-lists-chat), because it very much sounds like a problem in how Solr has been configured, how queries are being sent, and/or how data has been indexed.
Analysis of performance problems can be complex, one thing that can help a lot is analyzing your Solr logs. There is a page in the Ref Guide that has several tips for loading your logs into Solr and using visualization tools like Zeppelin to see what is really going on: https://solr.apache.org/guide/8_9/logs.html.
> 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
> Attachments: schema.xml
>
>
> 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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