Speaker: Diana Carroll, Senior Curriculum Developer, Cloudera
As part of the recent release of Hadoop 2 by the Apache Software Foundation, YARN and MapReduce 2 deliver significant upgrades to scheduling, resource management, and execution in Hadoop.
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A Q&A will follow the presentation, and we will answer all your questions about YARN, MapReduce 2, Cloudera Enterprise 5, and any of Cloudera's training courses.
What is YARN?
YARN is a generic architecture for managing distributed applications across a Hadoop cluster.
What is MapReduce 2?
MapReduce 2 is now ready for production and is the default processing framework in Cloudera Enterprise 5 (now available in Beta).
At their core, YARN and MapReduce 2’s improvements separate cluster resource management capabilities from MapReduce-specific logic. YARN enables Hadoop to share resources dynamically between multiple parallel processing frameworks such as Cloudera Impala, allows more sensible and finer-grained resource configuration for better cluster utilization, and scales Hadoop to accommodate more and larger jobs.
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