sijuv opened a new pull request, #2960: URL: https://github.com/apache/solr/pull/2960
# Description Adds the capability to early terminate a search based on maxHits parameter provided https://issues.apache.org/jira/browse/SOLR-17447 # Solution "maxHitsPerShard" request parameter controls how many hits the searcher should run over per shard. Once the searcher runs over the specfied number of documents, it will terminate the search with EarlyTerminatingCollectorException. This will be indicated by a new response header "terminatedEarly" also the "partialResults" will indicate that the results are partial. This parameter is supported in MT mode as well. Though there are other mechanisms to control runaway queries with CPU usage limits and time limits, this is simpler for certain use cases esp in case high recall queries and rerank use cases. Lucene currently supports this feature with the EarlyTerminatingCollector. There was some code in SOLR as well to support the collector, but looks like it was not completely wired up. # Tests Ran tests against a local solr instance in MT and single threaded mode # Checklist Please review the following and check all that apply: - [ X] I have reviewed the guidelines for [How to Contribute](https://github.com/apache/solr/blob/main/CONTRIBUTING.md) and my code conforms to the standards described there to the best of my ability. - [ X] I have created a Jira issue and added the issue ID to my pull request title. - [ ] I have given Solr maintainers [access](https://help.github.com/en/articles/allowing-changes-to-a-pull-request-branch-created-from-a-fork) to contribute to my PR branch. (optional but recommended, not available for branches on forks living under an organisation) - [ X] I have developed this patch against the `main` branch. - [ ] I have run `./gradlew check`. - [ ] I have added tests for my changes. - [ ] I have added documentation for the [Reference Guide](https://github.com/apache/solr/tree/main/solr/solr-ref-guide) -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: issues-unsubscr...@solr.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@solr.apache.org For additional commands, e-mail: issues-h...@solr.apache.org
