Why Cassandra?
On Tuesday, I had the opportunity of attending Cassandra Day in DC, a one-day conference put on by Datastax. As an application developer and designer, my role is building…
BioSolr — Stop Reinventing The Wheel in Life Science Search
I was privileged to be hosted in Cambridge UK by our buddies at Flax two weeks ago. During my time over in the UK, I got a chance to…
Joe Lawson Joins OpenSource Connections
Joining OpenSource Connections Hello world! My name is Joseph (Joe) Lawson and I’m the newest team member to OpenSource Connections (OSC). If you’re unfamiliar, people don’t join OSC just…
Hawt.io makes Camel hotter
Playing with Hawt Watch the startup logs for a pop culture reference 😉 Background We’ve been using Apache Camel on a number of projects over the past two years,…
Deep Dive into Elasticsearch Cross Field Search
Crossing streams — problem. Crossing fields? No problem! Elasticsearch’s cross field queries are a great feature. They let you blend multiple fields scores together on a search-term by…
Data Modeling For Search Relevance — Signals and Semantics
Mold your fields to capture their searchable essence Perhaps the biggest relevance mistake you can make is to take content, straight from it’s source, and plop it directly into…
Debugging Solr 5 in Intellij
I recently had to debug Solr 5 to help answer some client questions. With Solr 5, there’s been several fundamental changes to the Lucene/Solr codebase. My previous methods of…
We’re Writing The Book on Search Relevance!
The search bar has crept into your application. Do you know how to extract value out of it? Or is it a dangling afterthought? Search is hard. Yet it’s…
Building the world’s smallest Cassandra cluster
A few weeks ago I received my first Intel Edison in the mail. After a bit of tinkering I was able to bootstrap a small Cassandra cluster on this…
Visualizing Solr file ingestion with a punchcard graph in R
##Putting the data togetherRecently we’ve had to analyze the size of files being ingested into a Solr index. Performance testing had been done several times and we were seeing…
Going Cross-Origin with Solr
It is becoming more common to connect directly with a Solr cluster from rich client side applications. Performing a search directly against the cluster will require either JSONP or…
Elasticsearch Cross Field Search Is A Lie
At OpenSource Connections, We Do What We Must, Because We Can In Elasticsearch, searching across multiple fields can be confusing to beginners. This is a tough first step in…