Mention what does the text input format do?
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What does the high availability of a name-node means?
How jobtracker assign tasks to the tasktracker?
What are the four modules that make up the Apache Hadoop framework?
What is data cleansing?
What happen on the namenode when a client tries to read a data file?
is there a standard procedure to deploy hadoop?
Why do we need Hadoop Archives? How is it created?
Name the most common input formats defined in hadoop?
Give me examples of unstructured data?
What happen if a datanode loses network connection for a few minutes?
Clarify how job tracker schedules an assignment?
Explain how does hadoop classpath plays a vital role in stopping or starting in hadoop daemons?
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