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From Nagendra Nagarajayya <>
Subject [Announce] Apache Solr 3.6.2 with RankingAlgorithm 1.4.3 available for download now -- includes experimental TimedSerialMergeSchdeduler
Date Sun, 27 Jan 2013 14:25:04 GMT

I am very excited to announce the availability of Apache Solr 3.6.2 with 
RankingAlgorithm30 1.4.3 with realtime-search support. realtime-search 
is very fast NRT and allows you to not only lookup a document by id but 
also allows you to search in realtime, see The update performance is about 
10,000 docs / sec. The query performance is in ms, allows you to  query 
a 10m wikipedia index (complete index) in <50 ms.

This release also includes a experimental TimedSerialMergeScheduler 
allows you to postpone your merges to off hours time like 11pm or 1am 
increasing performance.

RankingAlgorithm30 1.4.3 supports the entire Lucene Query Syntax, ± 
and/or boolean queries.

You can get more information about realtime-search performance from here:

You can download Solr 3.6.2 with RankingAlgorithm30 1.4.3 from here:

Please download and give the new version a try.

1. Apache Solr 3.6.2 with RankingAlgorithm30 1.4.3 is an external project.
2. realtime-search has been contributed back to Apache Solr, see


Nagendra Nagarajayya

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