Next Generation MapReduce
by Owen O'Malley, co-founder and senior architect at Hortonworks on Feb 22, 2011
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The next generation of Hadoop MapReduce ...
The next generation of Hadoop MapReduce
Arun C. Murthy presented the plans for the next generation of Apache Hadoop MapReduce. The MapReduce framework has hit a scalability limit around 4,000 machines. We are developing the next generation of MapReduce that factors the framework into a generic resource scheduler and a per-job, user-defined component that manages the application execution. Since downtime is more expensive at scale high-availability is built-in from the beginning; as are security and multi-tenancy to support many users on the larger clusters. The new architecture will also increase innovation, agility and hardware utilization.
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