Get an overview of Apache Solr as an enterprise search server. Get to know the available alternatives and why the Solr is cool! Get Excited! Enterprise Search Solutions are ready to pick.

1. Apache-Solr!
Enterprise Search Solutions
at your Fingertips!
Murshed Ahmmad Khan
@usamurai, murshed2k@gmail.com

2. Presented at phpXperts
seminar 2011…

3. Enterprise Search Server
The criteria…

4. Fast

5. Flexible

6. Powerful

7. Scalable

8. Relevant Results

9. Production ready &
Easy deployment

10. What’s in your
mind, the name…
??

11. Apache Solr!
Fits all the above mentioned criteria…

12. Solr, What is it…?
q O pen Source, Java application
q R uns as a standalone full-text
search server within any servlet
container
q U ses Lucene Java search library
as its core

14. SOLR WORK FLOW…

15. Solr History…
q D eveloped at CNET Networks
by Yonik Seeley
q D onated to ASF (Apache
Software Foundation) in early
2006

16. Solr History…(2)
q I ncubation period ended in
january 2007 (v-1.2 released)
q S olr is now maintained as a
subproject of Lucene

17. Solr - Features…

18. Powerful Full-Text search…

19. Hit Highlighting…

20. Faceted Search…

21. Tag Clouds…

22. Geo-spatial search…

23. Solr – Features (cont..)
q Database integration
q Rich document (Word, PDF)
handling
q REST-like HTTP/XML, JSON APIs
(so, you can code virtually in
any language)

24. CLIENT API SUPPORT…
q Java (SolrJ),
q .NET (solrnet, SolrSharp),
q PHP (SolPHP),
q Python (SolPython),
q Ruby(on Rails) (rsolr, acts-as-solr,
sunspot),
q C++,
q XML/HTTP,
q JSON/HTTP (AJAX Solr) ++
q PERL(SolPerl)

25. Solr - Features… (cont…)
q Flexible configuration
q Extensive Plugin architecture
for advanced customization
q Scalable distributed search,
dynamic clustering, index
replication

26. Alternatives to Solr
q Use Google (GSA – has
integration problems).
q FAST (Stopped supporting
linux)
q Use Lucene (write code on
top of that)

27. Alternatives to Solr…(2)
q Use your Database (has
performance issues)
q Sphinx (written in C++)
q Commercial Libraries (e.g.
lucidimagination.com)
q Write your own

28. Who Use
Solr/Lucene?

31. Who use Solr/Lucene…
More names: http://wiki.apache.org/
solr/PublicServers

32. OPERATING SYSTEM SUPPORT
q All with a Java VM, including:
q Linux (all versions)
q Windows (all versions)
q MacOS (all versions)
q Unix variants

33. APP SERVER SUPPORT
q Apache Tomcat,
q Jetty,
q Resin,
q WebLogicTM,
q WebSphereTM,
q GlassFish,
q dmServerTM,
q JBossTM and many more
q Java JDK 1.5 or later [requirement]

34. INSTALLATION
1. Download the latest version of:
apache-solr & tomcat
2. Extract it:
$tar -xzvf ./apache-solr-1.4.1.tgz
$tar -xzvf ./apache-tomcat-6.0.35.tar.gz

35. INSTALLATION
3. copy the solr.war file in the tomcat
webapps folder:
$ cp apache-solr-1.4.1/dist/apache-
solr-1.4.1.war apache-tomcat-6.0.35/
webapps/solr.war
4. copy the example/solr directory into the
tomcat home directory
$ cp -r apache-solr-1.4.1/example/solr .

36. INSTALLATION
5. start the tomcat server
$ ./bin/startup.sh
6. Visit http://localhost:8080/
solr/admin/

37. YOU ARE DONE…

38. CREATE SCHEMA.XML
<field name="id" type="string" indexed="true"
stored="true" required="true" />
<field name="service" type="string" indexed="true"
stored="true" required="true" />
<field name="contentType" type="string" indexed="true"
stored="true" required="true" />
<field name="dbId" type="long" indexed="true"
stored="true" />
<field name="content" type="text" indexed="true"
stored="true" />
<copyField source="*" dest=”all” />

39. INDEX DOCUMENTS (INDEXER)
The Common Loop

40. INDEX DOCUMENTS
1. </add>
Add single/multiple documents
$doc = new SolrSimpleDocument( array(
new SolrSimpleField('id', ’aawaj-profile-' . $user->id),
new SolrSimpleField('service', 'aawaj'),
new SolrSimpleField('contentType', 'profile'),
new SolrSimpleField('dbId', (string)$user->id)
));
$this->solr->add($doc);

41. INDEX DOCUMENTS
2. </commit>
Commit multiple documents at
once.
$this->solr->commit();

42. INDEX DOCUMENTS
3. </optimize>
Optimize, for performance
improvement
$this->solr->optimize();

43. SOLR QUERY SYNTAXES

44. QUERY SYNTAXES (RDMS)
SELECT * FROM post WHERE
(topic LIKE ‘%apache%’ OR
author LIKE ‘%kabir%’)
OR (topic LIKE ‘%solr%’ OR
author LIKE ‘%frank%’) ORDER
BY id DESC

45. QUERY SYNTAXES (SOLR)
Topic:"The Right Way" AND
author:WrongGuy

46. BOOSTING TERMS()
topic: "jakarta
apache"^4 "Apache
Lucene"

47. FUZZY SEARCH (SOLR)
topic:roam~ (similar in
spelling roam)
matches foam roams, based on
the Levenshtein Distance, or Edit
Distance algorithm

48. PROXIMITY SEARCH (SOLR)
“jakarta apache”~10
search for a "apache" and
"jakarta" within 10 words of
each other in a document

49. SO, NOW,
CAN I MAKE A MINI
GOOGLE?

50. YES, YOU CAN!
q Apache NUTCH, already there
q Open source, Web-search
software project.
q Based on Solr...

51. INTERESTED? READ MORE…
Ø http://lucene.apache.org/solr/
Ø http://wiki.apache.org/solr
Ø http://lucene.apache.org/java/docs/
scoring.html
Ø http://lucene.apache.org/java/3_5_0/
queryparsersyntax.html
Ø http://www.slideshare.net/erikhatcher/solr-
search-at-the-speed-of-light
http://www.slideshare.net/pittaya/using-
apache-solr

52. WHO AM I…
murshed ahmmad Khan
head of development,
http://www.usamurai.com
@usamurai
email: murshed2k@gmail.com

53. THANKS…
Questions?