This git repo contains a Vagrant environment for standing up a proof of concept for integrating Solr with a Dataverse Network installation.
See also https://redmine.hmdc.harvard.edu/issues/2656
vagrant up
"Solritas" interface: http://localhost:8983/solr/collection1/browse
Official DVN API doc is https://sourceforge.net/projects/dvn/files/dvn/3.0/dvnapi_v1_0.pdf via http://guides.thedata.org/book/data-sharing-api
Fields you can search on:
https://dvn.iq.harvard.edu/dvn/api/metadataSearchFields/
Example query for "quantitative":
https://dvn.iq.harvard.edu/dvn/api/metadataSearch/title:quantitative