I agree, documents may be gigantic or very small, with heavy text analysis or simple strings ... so it's not possible to give an evaluation here. But you could make use of the nightly benchmark to give you an idea of Lucene indexing speed (the engine inside Apache Solr) :
http://home.apache.org/~mikemccand/lucenebench/indexing.html Not sure we have something similar for Apache Solr officially. https://cwiki.apache.org/confluence/display/SOLR/SolrPerformanceData -> this should be a bit outdated Cheers ----- --------------- Alessandro Benedetti Search Consultant, R&D Software Engineer, Director Sease Ltd. - www.sease.io -- Sent from: https://lucene.472066.n3.nabble.com/Solr-User-f472068.html