Apache: Big Data North America 2017 will be held at the Intercontinental Miami in Miami, Florida. 

Register now for the event taking place May 16-18, 2017. 
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Tuesday, May 16 • 4:40pm - 5:30pm
Cassandra Persistence for Online Systems, What Actually Works - John Sumsion, FamilySearch

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In a project to port FamilySearch's billion-person tree from Oracle to Cassandra in AWS, a novel consistency model emerged. Many of the initial design assumptions ended up working well. However, some surprising errors occurred, which forced some adjustments.

In this presentation, John will review what worked and what didn't developing a system that achieved both low latencies and allowed for live updates.

The presentation will include: cassandra schema details, data consistency mechanisms, specific solutions to data consistency problems encountered.

avatar for John Sumsion

John Sumsion

Principal Software Engineer, FamilySearch
John Sumsion is an experienced Software Engineer who has played key roles in making big-data projects that actually work. Much of John's experience has been gained in building several progressively better implementations of the billion-person tree for FamilySearch. John enjoys using... Read More →

Tuesday May 16, 2017 4:40pm - 5:30pm EDT