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August 22, 2014 AT 10:00 am

Multi-Datacenter Cassandra on 32 Raspberry Pis #piday #RaspberryPi @Raspberry_Pi

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Thanks so much to Daniel for sending in this project! Read more here.

Here at Datastax, my fellow intern Daniel Chin and I built a 32 node DataStax Enterprise cluster running on Raspberry Pi’s! We are showcasing the always on, fault tolerant nature of Cassandra by letting anybody take down an entire data center with the press of a Big Red Button in our lobby.

Being able to withstand a data center going down is not just an edge case, it is an absolute necessity for the highly available applications Cassandra powers. While the cloud is far more flexible for production use, nothing beats a big shiny hardware display for a demo.

Our main goal for this project was to take the abstract concept of fault tolerance and make it something you can see in action and interact with. We built upon the work of Travis Price and the DataStax Sales Engineering team, who pioneered the use of Raspberry Pi’s to demonstrate Cassandra.

Read more.

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