A week ago, I described the nightly benchmarks
we use to catch any unexpected slowdowns in Lucene's performance. Back
then the graphs were rather boring...
0 replies - 8083 views - 05/10/11 by Michael Mccandless in News
These days I’ve been working on the performance benchmarks that I
mentioned in my previous post. They consist in running a big number of
queries ...
2 replies - 6326 views - 05/09/11 by Juan Grande in News
A filter in Lucene is a bit set that restricts the search space for any
query; you pass it into IndexSearcher's search method. It's effective
for a number...
0 replies - 10628 views - 05/07/11 by Michael Mccandless in News
Lucene has great randomized tests
to catch functional failures, but when we accidentally commit a
performance regression (we slow down indexing or...
1 replies - 5037 views - 05/05/11 by Michael Mccandless in News
DZone caught up with Boris Aleksandrovsky, a Search Architect at Yammer, this week to talk about his intriguing specialization in search, machine learning,...
0 replies - 7175 views - 05/04/11 by Mitch Pronschinske in News
Today, to encode the postings (docs, freqs, positions) in the index,
Lucene uses a variable byte format where each integer is individually
encoded as 1-5...
0 replies - 14802 views - 04/22/11 by Michael Mccandless in News
Lucene’s default ranking function uses factors such as tf, idf, and norm to help calculate relevancy scores.
Solr has now exposed these...
2 replies - 17153 views - 04/21/11 by Yonik Seeley in News
There are many exciting improvements in Lucene's eventual 4.0 (trunk) release, but the awesome speedup to FuzzyQuery
really stands out, not only from its...
2 replies - 85416 views - 04/16/11 by Michael Mccandless in News
While we make some of our money off of professional
services and support of Apache Lucene and Solr, I thought I would pass
along a few...
0 replies - 11085 views - 04/13/11 by Grant Ingersoll in News
The newest release of Solr and Lucene are ready for action!
Project leaders have changed Solr's version number scheme to mirror Lucene's. Both the Solr...
0 replies - 12415 views - 04/01/11 by Katie Mckinsey in Daily Dose
In case you didn't hear about the Apache Lucene/Solr version alignment, we'll take a look at the big change once again with Grant Ingersoll, a Apache Lucene...
5 replies - 10219 views - 03/28/11 by Mitch Pronschinske in Videos
It has been two years since I commented on an article in Information Week, Open Source, Its Time has Come,
Nov. 2008. My main point...
0 replies - 5646 views - 03/21/11 by Lynda Moulton in News
Useful search technology is more than just an entry bar and a list of results. These days, companies like LinkedIn, Amazon, and others are showing us just...
0 replies - 9089 views - 03/09/11 by Mitch Pronschinske in Uncategorized
In this inaugral issue of DZone's Solr and Lucene focused podcast series, we get a chance to talk with Stefan Olafsson, a lead developer for the Twigkit...
0 replies - 7091 views - 02/09/11 by Mitch Pronschinske in Uncategorized
We've all seen them on various websites. Crappy search utilities. They are a constant reminder that search is not something you should take lightly...
2 replies - 61362 views - 01/25/11 by Peter ___ in Articles
