One of the many performance improvements in the upcoming Solr 1.4 release involves improved filtering performance. Solr 1.4 filters are both faster (anywhere from 30% to 80% faster to calculate intersections, depending on configuration), take less memory (40% smaller), and … Continued
With CPU cores constantly increasing, there has been some major work done in Lucene/Solr to increase the scalability under multi-threaded load. Read-only IndexReaders One bottleneck was synchronization around the checking of deleted docs in a Lucene IndexReader. Since another thread … Continued
Having performance issues with Solr’s faceted search and certain types of fields? Help has arrived in the form of a new Solr faceting algorithm! This new faceting implementation dramatically improves the performance of faceted search, making it suitable for a … Continued
A new chapter in Solr scalability has been opened with the addition of distributed search! http://wiki.apache.org/solr/DistributedSearch Distributed Search splits an index into multiple shards, and queries across all the shards, combining the results and presenting a single merged response that … Continued
