atris commented on issue #754: LUCENE-8875: Introduce Optimized Collector For Large Number Of Hits URL: https://github.com/apache/lucene-solr/pull/754#issuecomment-510007530 > @atris Can you give some result comparison or other evidence? Please see the blog post listed above. In addition, the targeted use case for this collector makes the benefits obvious: I ran a TermQuery on a 5 TB dataset manufactured from Elasticsearch's nyc_taxis dataset. A string field was modified to have a specific value only for 50,000 documents, and number of hits requested was 25,00,000 by each of 30 concurrent requests (the same test mentioned in Toke's blogpost). The space savings were in order of multiple GBs, as expected.
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