Introducing OSCAR! Search your notes no matter where they live!
In our daily adventures on our computers and the Internet, we often find/create notes or documents that we would like to keep for later, that we attempt to organize….
Initial Impressions of Elasticsearch – Flexible Open Source Distributed Search
I’m Jonathan Thompson, a rising 4th year CS major at UVA. This is my first blog post as an intern at OSC, I hope you enjoy it! \n\n While…
How does a search engine work? An educational trek through a Lucene Postings Format
Little did you know, Lucene stores its index on hundreds of Post-It Notes A new feature of Lucene 4 – pluggable codecs – allows for the modification of Lucene’s…
Indexing Millions of Documents using Tika and Atomic Update
On a recent engagement, we were posed with the problem of sorting through 6.5 million foreign patent documents and indexing them into Solr. This totaled about 1 TB of…
Understanding Solr Soft Commits and Data Durability
I ran into an interesting problem today. I was working with the first project where we legitimately needed Solr soft commits and in testing my configuration I wanted to…
Beginner Tips for Elastic MapReduce
By this point everyone is well acquainted with the power of Hadoops MapReduce. But what youre also probably well acquainted with is the pain that must be suffered when…
Modifying Solr Result Relevancy via an “Auxiliary Boost” Field
English is a confusing language. I mean, does it really make sense that you can park in a driveway or drive in a parkway? Also, Ive always been amused…
Redesigning the SmallBizContracting Homepage
OSC came to me with an interesting task: To do a quick refresh of SmallBizContracting.com. The first thing that I did was to visit the site so that I…
Solr Unleashed – Mission Accomplished
This past Wednesday and Thursday (March 13th and 14th) OpenSource Connections held an on-site 2-day Solr training course called Solr Unleashed. We covered a broad range of Solr topics…
Visualizing StackOverflow Data: When Does Jon Skeet Answer Questions?
Last month we found the best time to ask a question on StackOverflow using the oft-missed ‘join’ feature in Solr. Numbers will get you far in isolating the top-performing…
Using Solrs New Atomic Updates
A while ago we created a sample index of US patent grants roughly 700k documents big. Adjacently we pulled down the corresponding multi-page TIFFs of those grants and made…
Getting started quickly with Hadoop and MapReduce
So heres the problem: Youve finally found a block of time to set down and get your head around Hadoop and MapReduce. You do a quick Google search for…