[Solr Wiki] Update of "SolrUseCases" by TokeEskildsen

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The "SolrUseCases" page has been changed by TokeEskildsen:
https://wiki.apache.org/solr/SolrUseCases?action=diff&rev1=2&rev2=3

Comment:
Added data for State and University Library Net Archive index

  
  = Your Stories =
  
+  * Company Name: State and University Library, Denmark.
+  * URL: http://statsbiblioteket.dk or http://sbdevel.wordpress.com/net-archive-search/ for a write up.
+  * Demo/Presentation of application available (please provide URL)?: Not available due to Danish legislation.
+  * Solr Version: 4.8.1.
+  * Why did you choose Solr?: Past positive experience.
+  * Goals of implementation: Index the complete Danish Net Archive from 2005 to present, currently 500TB of raw data and growing.
+  * Challenges Overcome: Fast faceting on high-cardinality String fields, solved with http://tokee.github.io/lucene-solr/
+  * Data
+    * Number of docs: 7 billion indexed as of 2014-11-14 and growing. Estimated 16 billion by mid 2015.
+    * Queries per second (or other time units): Median response time of 1 second for term searches with faceting on 6 fields, one of them URL with ~6 billion unique values. Non-faceted search median response time < 200ms, throughput of non-facet search ~50 searches/sec.
+    * Docs per second: Indexing at ~400 docs/sec on a dedicated 24 core indexing machine.
+    * Avg Doc length: 3KB indexed (total index size: 20TB).
+  * Hardware
+   * CPU/Memory/Disk: 1 dedicated index machine, 1 search machine: 16 CPU cores, 256GB, 25*932GB SSD (Samsung 840 EVO).
+   * Number of Nodes/replicas/shards: 25 separate Solr instances on the search machine, no extra replicas, 1 shard/Solr.
+   * Network capacity: 1 GBit (not currently relevant due to only having a single searcher).
+ 
+ 
  == Example ==