6 Sep 2014

Native Code Faceting
by | posted in: facets, heliosearch, native code, off-heap data, performance, solr | 0

Native code faceting for Solr has just been added to Heliosearch, and benchmarks show an impressive 2x performance increase! This is faceting code written in C++ and statically compiled for maximum performance, and loaded into the JVM via JNI (Java … Continued

19 Jul 2014

Off-Heap FieldCache Faceting and Sorting
by | posted in: facets, heliosearch, off-heap data, performance, solr | 0

Lucene/Solr background Lucene has a segmented architecture – when a small amount of documents are added to an existing index, this will often just add an additional small segment to the index. Caching data structures at the segment level (e.g. … Continued

, FieldCache instanity, global ords, off-heap faceting, , off-heap searching, off-heap sorting, solr faceting performance, solr sorting performance, sorting performance