Featured Author

Ted Dunning
Chief Application Architect, MapR

Ted Dunning is Chief Application Architect at MapR Technologies and committer and PMC member of the Apache Mahout, Apache ZooKeeper, and Apache Drill projects​. Ted has been very active in mentoring new Apache projects and is currently serving as vice president of incubation for the Apache Software Foundation​.​ Ted was the chief architect behind the MusicMatch (now Yahoo Music) and Veoh recommendation systems. He built fraud detection systems for ID Analytics (later purchased by LifeLock) and he has 24 patents issued to date and a dozen pending. Ted has a PhD in computing science from the University of Sheffield. When he’s not doing data science, he plays guitar and mandolin. He also bought the beer at the first Hadoop user group meeting.

Author's Posts

Posted on July 27, 2016 by Ted Dunning

In this week’s Whiteboard Walkthrough Part II, Ted Dunning, Chief Application Architect at MapR, talks about the design freedom gained by adopting a micro-services architecture based on streaming data. When you move – one step at a time - from an old style architecture that suffers from too much dependence on a shared global state database to a stream-based flow architecture, the isolation between micro-services results in reduced strain on the original database, improved flexibility and often speed.

Posted on July 27, 2016 by Ted Dunning

In this week’s Whiteboard Walkthrough Part I, Ted Dunning, Chief Application Architect at MapR, explains the key capabilities required of a streaming platform in the context of micro-services and the advantages they offer.

Posted on August 26, 2015 by Ted Dunning

In this week's Whiteboard Walkthrough, Ted Dunning, Chief Application Architect at MapR, explains how long tail distribution distorts the appearance of data and how to detect it.

Posted on August 17, 2015 by Ted Dunning

Ted Dunning, Chief Applications Architect for MapR, talks about some newer streaming algorithms such as t-digest and streaming k-means.

Posted on August 12, 2015 by Ted Dunning

In this week's Whiteboard Walkthrough, Ted Dunning, Chief Application Architect at MapR, shows you how to find out what's popular tomorrow by using Zipf's Law.

Posted on July 29, 2015 by Ted Dunning

Editor's Note: In this week's Whiteboard Walkthrough, Ted Dunning, Chief Application Architect at MapR, explains you how to show a mathematician that he is wrong.

Here's the unedited transcription: 

Posted on July 15, 2015 by Ted Dunning

In this week's Whiteboard Walkthrough, Ted Dunning, Chief Application Architect at MapR, talks about the architectural differences between HDFS and MapR-FS that boil down to three numbers.

Posted on April 29, 2015 by Ted Dunning

In this week's Whiteboard Walkthrough, Ted Dunning, Chief Application Architect at MapR, gets you up to speed on the t-digest, an algorithm you can add to any anomaly detector to set the number of alarms that you get as a percentage of the total samples.

Posted on April 1, 2015 by Ted Dunning

In this week's Whiteboard Walkthrough, Ted Dunning, Chief Application Architect at MapR, gets you up to speed on anomaly detection, a simple and easy to implement technique to "figure out stuff that just happened but shouldn't have".

Posted on March 4, 2015 by Ted Dunning

In this week's Whiteboard Walkthrough, Ted Dunning, Chief Application Architect at MapR, talks about how current trends are turning the internet upside down. He also talks about how this is leading to the requirements for very very high speed time series databases, which leads to practical designs based on modern NoSQL architectures to implement these high speed time series databases.

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