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We recently upgraded Solr from version 9.3 to 9.8.0 and have observed a significant performance degradation. The schema changes were made to ensure backward compatibility with 9.3 for all existing fields. .html

In Solr 9.7, docValues were enabled by default, and in 9.8, uninvertable was disabled. We have kept these settings unchanged.We are using solrj client 9.8.Additionally, we tried enabling -Dsolr.segment.threads=true in the startup script and added the following entry in the Solr config file.

indexSearcherExecutorThreads = -1

However, the performance issues persist, and the metrics are not improving. Any suggestions or insights would be greatly appreciated.

Thanks, Sarita

本文标签： lucenePerformance degradation after solr upgrade to 980 from 930Stack Overflow

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