Apache hadoop goes realtime at Facebook

@inproceedings{Borthakur2011ApacheHG,
  title={Apache hadoop goes realtime at Facebook},
  author={Dhruba Borthakur and Jonathan Gray and Joydeep Sen Sarma and Kannan Muthukkaruppan and Nicolas Spiegelberg and Hairong Kuang and Karthika Ranganathan and Dmytro Molkov and Aravind Menon and Samuel Rash and Rodrigo Schmidt and Amitanand S. Aiyer},
  booktitle={ACM SIGMOD Conference},
  year={2011}
}
Facebook recently deployed Facebook Messages, its first ever user-facing application built on the Apache Hadoop platform. [] Key Result We offer these observations on the deployment as a model for other companies who are contemplating a Hadoop-based solution over traditional sharded RDBMS deployments.

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