Solr and sunspotLearnings from RedBubblePaul Coia

Who am I?

What are Solr and sunspot?

Why do we use them?

What is Solr?Solr is Apache’s search engine

Wraps and enhances Lucene

Java webapp (Tomcat)

And sunspot ?sunspot: Gem for Solr communication

sunspot-rails: Plugin for Rails

Indexing DSL

Searching DSL

(Magic) Dynamic index schema for Solr

Development convenience scripts

Will_paginate integration

What attracted us to Solr?Facets

Incremental index updates

Scalability, master + slave(s)

Easy to add new fields (sunspot magic schema)

Do everything in Ruby

Communication between app and Solr (no DB)

DSL - Indexingclass Post < ActiveRecord::Base searchable do text :title text :body string :sort_title do title.downcase.sub(/^an?|the)\W+/, ‘’) end string :tags, :multiple => true do tags.split(",") unless tags.nil? end endend

DSL - Searching@search = Post.search(:include => :comments) do |s| s.fulltext params[:q], :fields => [:title, :body] s.facet :tags, :sort => :count s.order_by :sort_title, :ascend

…

@search.results.each do |result|

…

end

Facets

DSL - Facetting@search.facet(:tags).rows.each do |tag_facet| tag_facet.value tag_facet.countend

Performance JVM memory

Cache sizes

Search warming

Auto Commit settings/Replication

Linkshttp://lucene.apache.org/solr/

https://github.com/outoftime/sunspot/wiki

http://www.lucidimagination.com/