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Fixing Solr Java Heap OOM with “OmitNorms=true”

I found another post today from the blogger who decided to clone Wikipedia and index it with Solr.  This time he's got a short commentary which can serve as...

0 replies - 4386 views - 10/27/11 by Mitch Pronschinske in Articles

Data Import Handler – How to import data from SQL databases (part 1)

In the article on how to import data (http://solr.pl/2010/09/06/solr-data-indexing-for-fun-and-profit/?lang=en) I mentioned the Data Import Handler (DIH)....

1 replies - 7524 views - 10/27/11 by Marek Rogoziński in Articles

Accuracy and performance of Google's Compact Language Detector

To get a sense of the accuracy and performance of Google's Compact Language Detector, I ran some tests against two other packages: Apache Tika,...

1 replies - 5557 views - 10/26/11 by Michael Mccandless in Articles

Lucene Eurocon 2011: Presentation slides are now available

With a near doubling over the prior year, Apache Lucene Eurocon Barcelona 2011 came to a successful conclusion this past week, featuring over...

0 replies - 4807 views - 10/25/11 by David Fishman in News

How-To install Tomcat 7 and Solr on Centos 5.5

In this how-to we are presenting the steps you have to follow in order to install Tomcat 7 and Solr on a Centos 5.5...

3 replies - 11608 views - 10/24/11 by Mitch Pronschinske in Articles

How to Clone Wikipedia and Index it with Solr

It took 6 weeks, but Fred Zimmerman, a blogger for Nimblebooks.com just completed a very cool use case scenario for Solr indexing.  He cloned all of Wikipedia...

0 replies - 7228 views - 10/23/11 by Mitch Pronschinske in Articles

Java 7 and Lucene Bug Saga Still Ongoing

Oracle released update for Java 7 yesterday but Uwe Schindler, who made some waves during the July release saying that people should not update to Java 7, is...

9 replies - 6062 views - 10/19/11 by Mitch Pronschinske in News

Solr 3.1+: JSON Update Handler

After the release of Solr 3.1 I decided to look into the extended list of formats through which we can update the indexes. Until now we had a choice of...

1 replies - 4641 views - 10/14/11 by Rafał Kuć in News

Lucene goes from Enterprise Search to search platform

Somewhere in the soap opera that might be titled ‘As Hewlett Packard Turns’, the question of the impact of the Autonomy acquisition on...

0 replies - 4457 views - 10/13/11 by David Fishman in News

“Car sale application” – solr.ReversedWildcardFilter – let’s optimize wildcard queries (part 8)

“Car sale application” users started to use wildard queries more and more often. This fact forced us to think about wildcard queries optimization....

0 replies - 3302 views - 10/12/11 by Rafał Andrzejewski in News

Flexible ranking in Lucene 4

Over the summer I served as a Google Summer of Code mentor for David Nemeskey, PhD student at Eötvös Loránd University. David proposed to improve...

0 replies - 3612 views - 10/11/11 by Robert Muir in News

Solr Data Import Handler & XML – nested entities

Data Import Handler is a very nice and powerful tool. The following entry is a description of the problem (and solutions) which I met...

0 replies - 3894 views - 10/07/11 by Rafał Kuć in News

LucidWorks 2.0 Solr Development Platform Now Available!

It gives me great pleasure to announce that LucidWorks Enterprise 2.0 is now available now for download. The platform that accelerates and simplifies search...

0 replies - 1969 views - 10/05/11 by Mitch Pronschinske in Announcements

Multivalued geolocation fields in Solr

Today we’ll see a small workaround that can be used to accomplish a very common use case regarding geographic search. The example use case is...

0 replies - 4075 views - 10/03/11 by Emmanuel Espina in News

Lucene's SearcherManager simplifies reopen with threads

Modern computers have wonderful hardware concurrency, within and across CPU cores, RAM and IO resources, which means your typical server-based search...

0 replies - 4445 views - 09/28/11 by Michael Mccandless in News