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ABOUT THE SUMMIT
Welcome to Apache Cassandra Summit Europe 2013. Join us and hundreds of your database peers, and take a deep dive into Apache Cassandra, the massively scalable NoSQL database that powers global businesses like Netflix, Adobe, Thomson Reuters and eBay.

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Thursday, October 17 • 1:45pm - 2:25pm
Cassandra on Flash: Performance & Efficiency Lessons Learned

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Flash Memory technology, deployed as server-side PCIe or solid state disks (SSDs), is emerging as a critical tool for performance and efficiency in data centers of all scales. This presentation will discuss how the use of Flash impacts Cassandra deployments in terms of configuration, DRAM requirements and performance expectations. Ideas on leveraging C*'s cutting-edge data-center awareness to blend flash and disk storage nodes for cost and workload efficiency will also be shared. Flash media itself will be examined from a physical perspective to understand endurance issues. Data on write amplification under bulk-load and operational workload conditions will be presented to explain the impact to Flash of C*'s Log Structured Merge Tree architecture and the associated compactions. Finally, we will examine strategies to make Cassandra more Flash-aware using both conventional techniques as well as emerging Non-volatile memory (NVM) programming capabilities. Lessons learned from real-world customer deployments will be shared to complete this presentation.

Speakers
avatar for Matt Kennedy

Matt Kennedy

Solution Architect: Big Data, Fusion.io
Matt Kennedy is a Solutions Architect at Fusion-IO. He works with customers to apply the performance benefits of low-latency server-side Flash technology to NoSQL databases, Hadoop clusters and other Big Data technologies. Matt has been a Cassandra user and occasional contributor since version 0.7 and is a co-organizer of the Cassandra meetup group in the Washington DC area.


Thursday October 17, 2013 1:45pm - 2:25pm
Auditorium Barbican Centre, Silk Street, London EC2Y 8DS, UK