Contributor: Jon Allen

MapR Converge Blog author, Jon Allen

Jon is an instructional designer at MapR technologies, where he writes and develops educational materials on Hadoop administration and ecosystem components. Prior to joining MapR, Jon worked as an instructional designer, and LMS manager for over 20 years, in an enterprise environment at PayPal, for the US Dept and Education, and in higher education at Purdue University and the University of Delaware.

Blog Posts by Jon Allen

November 26, 2014 | By Jon Allen

Container Location Databases (CLDB) vs. NameNode: Whiteboard Walkthrough

Welcome to the MapR Whiteboard Walkthrough. My name is John and I'm the author of the cluster administration course that you'll find at I'm here to talk to you a about the CLDB, or the container location database. Over...

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