Big Data
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Software Development
Can MapReduce solve planning problems?
To solve a planning or optimization problem, some solvers tend to scale out poorly: As the problem has more variables…
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Software Development
Big data: when single node is better than clustered
There’s a lot of hype about “big data” and a general trend to try to apply Hadoop to almost every…
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Software Development
Big Data: What about Security?
From the first time Hadoop appeared it had a security problem. Apache Knox and Cloudera Manager have been solutions for…
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Software Development
NoSQL is not just about BigData
There is so much debate on the SQL vs NoSQL subject, and probably this is our natural way of understanding…
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Software Development
Big Data the ‘reactive’ way
A metatrend going on in the IT industry is a shift from query-based, batch oriented systems to (soft) realtime updated…
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Software Development
Drones and Big Data
Two weeks ago, I had a conversation with some colleagues where I was postulating a future bull market for drones,…
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Enterprise Java
Creating an on-line recommender system with Apache Mahout
Recently we’ve been implementing a recommender system for Yap.TV: you can see it in action after installing the app and…
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Enterprise Java
Unit testing a Java Hadoop job
In my previous post I showed how to setup a complete Maven based project to create a Hadoop job in…
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Enterprise Java
Broken Glass : Diagnosing Production Cassandra Issues
I just past my second year anniversary at Health Market Science (HMS), and we’ve been working with Cassandra for almost…
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