Friday, January 26, 2018

Benefits of YARN ( Hadoop version 2.0 )

The 5 key Benefits of YARN

  • New Applications and services

  • Improved cluster utilization
    • Generic resource container model replaces fixed Map/Reduce slots.
    • Sharing clusters across multiple applications     

  • Scale
    • Removed complex app logic from RM, scale further
    • State machine, message passing based loosely coupled design
  • Experimental Agility
    • Multiple versions of an app can co-exist leading to experimentation
    • Easier upgrades of framework and applications
    • Map Reduce becomes an application in user space unlocking safe innovation
  • Shared services

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