Solr

Solr is a Lucene-based search engine.

Current uses on WMF

• Translation memory - on shared server vanadium, see mw:Extension:Translate
• Spatial searches - on solr*, see mw:Extension:GeoData

Puppet

modules/solr

Operations

Restart

# service jetty restart

Packages

We use our own backports:

$ dpkg -l *solr*
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name                       Version                    Description
+++-==========================-==========================-====================================================================
ii  libsolr-java               3.6.0+dfsg-1               Enterprise search server based on Lucene - Java libraries
ii  solr-common                3.6.0+dfsg-1               Enterprise search server based on Lucene3 - common files
ii  solr-jetty                 3.6.0+dfsg-1               Enterprise search server based on Lucene3 - Jetty integration