Apache Solr New Learning To Rank Cache
A comparison between Solr’s current LTR cache and a new implementation that works not only for logging features, but also for reranking.
Anna Ruggero
March 23, 2026
We are Sease, an Information Retrieval Company based in London, focused on providing R&D project guidance and implementation, Search consulting services, Training, and Search solutions using open source software like Apache Lucene/Solr, Elasticsearch, OpenSearch and Vespa.
