Hi, In Japan, revised Apache Solr introduction book is released. This book revises GijutsuHyohronBook2010, based on Solr 4.5.1. This book includes Solr 4.x's many features, SolrCloud, and ManifoldCF features.
See https://wiki.apache.org/solr/GijutsuHyohronBook2013 Thank you, Shinichiro Abe
