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Advantages of Solr 4 over Solr 1.4 search

Solr 4 search server brings improvements and new features over Solr 1.4 with respect to scalability, performance, and flexibility.

In particular, Solr 4 offers:

  • More compact disc formats
  • Faster index rebuilding
  • Simpler and faster wildcard querying
  • Use of doc values for faceting and ordering
  • More accurate results and facet count
  • Integrated Solr date math for d:date and d:datetime types
  • Use of primitive types
  • Support for spell checking and suggestion
  • Support for site shortnames using SITE in queries and faceting using TAG
  • Special tag support in queries and faceting

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