Automated installation of apachesolr multicore localy will save you valueable time.
To speed up indexing of our nodes and making full use of our machine, we want to index our nodes concurrent.
In this blog we ll explain how to set up a geospatial search by radius using apache solr geospatial extension in a drupal 7.
Apache Solr module Chicago Slides and Roadmap
When indexing millions of nodes in Apache solr, three components are responsible for the main share of the execution time.