A technical talk on Solr Server with few examples.

1. Working with Solr
Prashant More.
more.p.prashant@gmail.com
Mumbai.
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2. Today’s Talk
About Solr
Background and overview.
Installing and bringing up Solr.
Configuring Solr.
Playing with queries.
A live demo of Solr.
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3. What is Solr?
A web application for text search.
A full text search server based on Lucene.
A wrapper around apache Lucene.
XML/HTML, JSON Interfaces.
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4. What is Lucene?
● High performance, scalable, full-text search library.
● Focuses on Indexing + Searching Documents.
○ Document is just a list of name and value pairs.
● 100% Java, no dependencies, no configuration files.
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5. Why Solr?
● Robust.
● Reliable.
● Fast.
● Supported. (window, linux, mac)
● Most important: Open Source.
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6. Solr’s Data model
● Solr maintains collection of documents
● A document is collection of fields and values.
● A field can occur multiple time in a document.
● These documents can be deleted and new versions
of documents can be added, hence it is immutable.
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Working of Solr

8. Indexing Data
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Adding Documents
HTTP POST to http://localhost:8983/solr/update
<add>
<doc>
<field name=”id”>1</field>
<field name=”name”>kiran</field>
<field name=”gender”>male</field>
</doc>
</add>

10. Deleting by id is most efficient.
<delete>
<id>420</id>
</delete>
Deleting by query.
<delete>
<query>gender:male</query>
</delete>
Deleting Documents
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11. http://localhost:8983/solr/select/?q=id%3A1
<doc>
<str name="description">Now you are talking</str>
<str name="id">2</str>
<str name="name">Vic 20</str>
<float name="price">14.99</float>
</doc>
<doc>
<str name="description">One for the rubber </str>
<str name="id">3</str>
<str name="name">wifi</str>
<float name="price">49.99</float>
</doc>
Searching
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12. ●prashant
●name:prashant
●name:prashant NOT description:more
●id:[* TO *]
●id:[3 TO 45]
Solr query syntax
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13. Data Import handler URL : -
http://localhost:8983/solr/admin/dataimport.jsp
Import Data to Solr
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Thank you for your
interest !

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