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