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From Noble Paul <>
Subject [ANNOUNCE] Apache Solr 5.2.0 released
Date Tue, 25 Aug 2015 03:00:40 GMT
Solr is the popular, blazing fast, open source NoSQL search platform
from the Apache Lucene project. Its major features include powerful
full-text search, hit highlighting, faceted search, dynamic
clustering, database integration, rich document (e.g., Word, PDF)
handling, and geospatial search. Solr is highly scalable, providing
fault tolerant distributed search and indexing, and powers the search
and navigation features of many of the world's largest internet sites.

Solr 5.3.0 is available for immediate download at:

Solr 5.3 Release Highlights:

In addition to many other improvements in the security framework, Solr
now includes an AuthenticationPlugin implementing HTTP Basic Auth that
stores credentials securely in ZooKeeper. This is a simple way to
require a username and password for anyone accessing Solr’s admin
screen or APIs.
In built AuthorizationPlugin that provides fine grained control over
implementing ACLs for various resources with permisssion rules which
are stored in ZooKeeper.
The JSON Facet API can now change the domain for facet commands,
essentially doing a block join and moving from parents to children, or
children to parents before calculating the facet data.
Major improvements in performance of the new Facet Module / JSON Facet API.
Query and Range Facets under Pivot Facets. Just like the JSON Facet
API, pivot facets can how nest other facet types such as range and
query facets.
More Like This Query Parser options. The MoreLikeThis QParser now
supports all options provided by the MLT Handler. The query parser is
much more versatile than the handler as it works in cloud mode as well
as anywhere a normal query can be specified.
Added Schema API support in SolrJ
Added Scoring mode for query-time join and block join.
Added Smile response format

For upgrading from 5.2, please look at the "Upgrading from Solr 5.2"
section in the change log.

Detailed change log:

Please report any feedback to the mailing lists

Noble Paul

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