Apache Solr

1. server launch (dedicated terminal)

###shell
[jetulis@localhost example]$ sudo java -jar start.jar 

 
2. indexing files : on a different terminal

###shell
[cloudera@localhost exampledocs]$ sudo java -jar post.jar solr.xml monitor.xml  

3. Tada ! search via admin screen

###shell
http://localhost:8983/solr/select/?q=solr&start=0&rows=10&indent=on 

 4. index multiple files : posting 

###shell
[cloudera@localhost exampledocs]$ sudo java -jar post.jar *.xml 

 5. delete by id

###shell
[cloudera@localhost exampledocs]$ java -Ddata=args -jar post.jar "<delete><id>SP2514N</id></delete>"
SimplePostTool: version 1.2
SimplePostTool: POSTing args to http://localhost:8983/solr/update..
SimplePostTool: COMMITting Solr index changes.. 

 6. delete by query

###shell
[cloudera@localhost exampledocs]$ java -Ddata=args -jar post.jar "<delete><query>name:DDR</query></delete>"
SimplePostTool: version 1.2
SimplePostTool: WARNING: Make sure your XML documents are encoded in UTF-8, other encodings are not currently supported
SimplePostTool: POSTing args to http://localhost:8983/solr/update..
SimplePostTool: COMMITting Solr index changes.. 

 7. committing : posting will do this automatically

###shell
[cloudera@localhost exampledocs]$ java -jar post.jar 

 8. json return

###shell
http://localhost:8983/solr/select/?q=P120+SP2514N&version=2.2&start=0&rows=10&indent=on&wt=json 

 9. highlighting : w/ <em> tag

&hl=true&hl.fl=name,features&  <-- always hl + hl.fl 
<str>Dual DVI connectors, HDTV out, <em>video</em> input</str> 

10.facet  <-- refine by

###shell
&q=*:*&facet=true&facet.field=cat
&facet=true&facet.field=cat&facet.field=inStock
&q=*:*&fl=name,manufacturedate_dt&facet=true&facet.date=manufacturedate_dt&facet.date.start=2004-01-01T00:00:00Z&facet.date.end=2010-01-01T00:00:00Z&facet.date.gap=%2b2YEAR