"This week we have migrated our search engine from Sphinx to Solr. The main reasons for doing this are:
• Too strong of an interdependency between Delayed Job and Thinking Sphinx
• Full-text searching of documents stored in ftopia
Both Sphinx and Solr are full-text search engines. Sphinx has been designed for performance, relevance, and ease of integration. It is written in C++ and runs on most systems. Solr is based on the Lucene engine; its main strengths are its relevance and its extensibility."
Fabien goes on to discuss the issues they were having with Sphinx, specifically related to data volume. ftopia is using Sunspot along with Solr and the scripts and tutorials make it really easy to install quickly, he says. Finally, he talks about peformance: "Compared to Sphinx, Solr’s main drawback is search speed. But Solr’s performances can be greatly improved by clustering Solr servers."
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