Define a task tracker?
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How is HDFS fault tolerant?
How does master slave architecture in the hadoop?
What is the heartbeat used for?
What are the network requirements for using hadoop?
How to exit the vi editor?
What is Apache Hadoop YARN?
Explain the overview of hadoop history breifly?
What are the additional benefits YARN brings in to Hadoop?
What is a Secondary Namenode? Is it a substitute to the Namenode?
How does a namenode handle the failure of the data nodes?
Explain how input and output data format of the hadoop framework?
Define fault tolerance?
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