Answer / Rajani Gupta

YARN (Yet Another Resource Negotiator) is a modular resource management layer added to Apache Hadoop. It provides several additional benefits, including: improved cluster utilization by enabling multiple workloads to run concurrently; support for different types of applications and frameworks, such as Spark, Tez, and Storm; better resource isolation and fair sharing between jobs; enhanced monitoring and diagnostics capabilities.

What alternate way does HDFS provides to recover data in case a Namenode

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What is Input Split in hadoop?

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What is the heartbeat used for?

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What is output format in hadoop?

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Why do we need a password-less ssh in fully distributed environment?

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What is difference between split and block in hadoop?

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What is MapFile?

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Can hive run without hadoop?

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Explain what happens in textinformat ?

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What is difference between regular file system and HDFS?

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Give the use of the bootstrap panel.

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Can we have multiple entries in the master files?

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