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Beyond Read-Modify-Write

As we move into the world of Big Data and the Internet of Things, the systems architectures and data models we’ve relied on for decades are becoming a hindrance. At the core of the problem is the read-modify-write cycle. In this session, Al Tobey, Open Source Mechanic at Datastax, will talk about how to build systems that don’t rely on RMW, with a focus on Cassandra. Finally, for those times when RMW is unavoidable, he will cover how and when to use Cassandra’s lightweight transactions and collections.

Vertical-scale technology such as RDBMSs limit scale by putting all RMW in one place. In this session, Al will demonstrate how to find system weaknesses and how to engineer them away.


We would like to thank Disqus for sponsoring this meetup.


Al is a father, technologist, musician, and open source advocate working for Datastax. While attending university as a music major, Al got into MUDs, C, and Linux, eventually ending up with a career as a sysadmin. Over the last 15 years, Al has worked on everything from kernel drivers to HTML5 in both operations and development roles.


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  • Randy B.

    Will this be recorded for later viewing and/or any presentation materials available afterwards?

    June 26, 2014

    • Steve M.

      It will not be sorry

      June 26, 2014

  • Kevin Z.

    Very sorry I will not be able to join you tonight. Loss in the extended family.

    June 26, 2014

  • Birmjin

    Curious topic

    June 26, 2014

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    Nvent is Big Data Consultancy (Hadoop, Kafka, Storm, Mesos, Docker,+)

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