Apache Solr

current module supported by two full time acquia engineers, all improvement contributed back to d.o
used on drupal.org since redesign

provides
	faceting - filter by type
	sorting
	related content - "more like this..."
	result biasing - force item's position in list
	search breadcrumbs
	current search block - to see/remove filters
	
static navigation doesn't work with dynamic content	
IA/navigation design based on archetyping users doesn't fit all users' need or variability in content, especially when content use contributed

web2.0 solutions to static navigation
	tag clouds
	content recommendation
	social networking and bookmarking
	
problems with search
	too slow
	not smart enough
	-->users learned not to trust it
	
solr indexes metadata as well as content
picks up similar spellings; e.g. moderator will also find moderating, "drupaul" -->did you mean: drupal

drupal solr used by human rights watch, cms report, learn by the drop, drupal.org

solr used by netflix, cnet, gamespot
written in java using lucene search library; wraps lucene
supports scaling in multiple directions

extension: webmail_plus module

requires dedicated server or VPS; also available as hosted service from acquia
on acquia's servers, searches run in <200ms
acquia beta is free for 30 days (perhaps through summer)

screencasts
acquia.com/blog/acquia-search-roadmap
jeffnoyes.com/content/how-to-use-acquia-search-apache-solr
jeffnoyes.com/content/enabling-acquia-search-apache-solr

roadmap/desired features
	multi-site search
	file attachment indexing and searching
	"recommended results" - editorial sorting
	voting api weighting
	saved searches as site pages/blocks
	rss feeds of search results
	geographic searcing