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DZone > Big Data Zone > Apache Lucene and Solr 4.2

Apache Lucene and Solr 4.2

Rafał Kuć user avatar by
Rafał Kuć
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Mar. 14, 13 · Big Data Zone · Interview
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Today Apache Lucene and Solr PMC announced another version of Apache Lucene library and Apache Solr search server numbred 4.2. This is a next release continuing the 4th version of both Apache Lucene and Apache Solr.

Here are some of the changes that were made comparing to the 4.1 version:

Lucene

  • New, default codec with default term vectors compression and more efficient DocValues format
  • Refactoring and performance improvement to faceting module
  • FST structure now supports data in size above 2GB

Solr

  • API for index structure allowing for schema.xml elements fetching
  • DocValues support
  • Collections aliasing
  • Custom node names for SolrCloud deployments
  • Enchantments that comes with Apache Lucene 4.2

Full changes list for Lucene can be found at http://wiki.apache.org/lucene-java/ReleaseNote42. Full list of changes in Solr 4.2 can be found at: http://wiki.apache.org/solr/ReleaseNote41.

Apache Lucene 4.2 library can be downloaded from the following address: http://www.apache.org/dyn/closer.cgi/lucene/java/. Apache Solr 4.2 can be downloaded at the following URL address: http://www.apache.org/dyn/closer.cgi/lucene/solr/. Please remember that the mirrors are just starting to update so not all of them will contain the 4.2 version of Lucene and Solr.

Apache Lucene Lucene

Published at DZone with permission of Rafał Kuć, DZone MVB. See the original article here.

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