Define fault tolerance?
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Define a namenode?
Why is Apache Spark faster than Apache Hadoop?
what is difference between int and intwritable?
In which location Name Node stores its Metadata and why?
Explain the wordcount implementation via hadoop framework ?
What do slaves consist of?
What is IdentityMapper?
How to resolve small file problem in hdfs?
Which files are used by the startup and shutdown commands?
Who is a 'user' in HDFS?
How to exit the vi editor?
How to Administering Hadoop?
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