faceting performance

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 Native Interface). nCache, Heliosearch’s off-heap version of the Lucene/Solr FieldCache, […]

Native Code Faceting

 in facets / heliosearch / native code / off-heap data / performance / solr  tagged clang vs gcc / Faceted Search / faceting performance / llvm vs gcc / native code / native code faceting / solr faceting / solr facets / solr jni by (updated on )
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. field values used for sorting) is often desirable so that […]

Off-Heap FieldCache Faceting and Sorting

 in facets / heliosearch / off-heap data / performance / solr  tagged faceting performance / FieldCache instanity / global ords / off-heap faceting / off-heap FieldCache / off-heap searching / off-heap sorting / solr faceting performance / solr sorting performance / sorting performance by (updated on )