C* Summit 2013: Ground Traffic Control - Logistics with Cassandra by Jesse Young

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Come learn about how Zonar Systems uses Cassandra for logistics use cases such as tracking fleets of school buses and other fleet management services. Zonar uses Cassandra because because of its ability to scale horizontally, its continuous availability and operational ease. This talk will cover details about the implementation and our 3 year journey that got us here, including the challenges along the way.

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Logistics with Cassandra

Jesse Young | VP of Software Development, Zonar Systems

*  Overview of Zonar Systems *  Technical challenges *  Examples *  The road to Cassandra

What we will discuss today…

Overview of Zonar Systems

*  Seattle *  Heavy fleet telematics *  Hardware Enabled SaaS

About Zonar

*  DOT pre/post trip inspections *  GPS data *  Vehicle diagnostics *  Photos *  More…

Types of Data

Technical challenges at Zonar

*  100+ Database servers *  3,000+ Databases *  100+ TB of storage

Existing Data Storage

*  Data replication *  Fast insert and retrieval of data *  Horizontally scalable *  Easy to administer

Big Data Issue

*  Built-in data replication *  Fast data inserts *  Fast retrieval of data *  Easy administration *  TTLs

Big Data solution - Cassandra

Examples

Photos Elevations ZPass+

*  Cheap storage *  Grow capacity easily *  TTLs

Photos

*  Large data set *  Heavy reads *  Key based *  Scale for performance

Elevation Data

*  Track bus ridership *  Read and write heavy *  Millions of users *  Scale horizontally *  Twissandra

ZPass+

The road to Cassandra usage

We’re hiring! (Thank you)

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