java


Noggit is the world’s fastest streaming JSON parser for Java. Noggit is the streaming JSON parser used in Solr. It lives here on github. JSON features and extensions Noggit supports a number of extensions to the JSON grammar. All of these extensions are optional and may be disabled. Comments Unquoted […]

Noggit, the JSON Streaming Parser



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 could delete a document at any time, the IndexReader.isDeleted() call […]

Solr scalability improvements



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 much wider range of applications. The existing multivalued field faceting […]

Solr Faceted Search Performance Improvements



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 looks like it came from a single server. Solr’s current […]

Distributed Search for Solr