How to configure hadoop to reuse JVM for mappers?
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What is the process to change the files at arbitrary locations in HDFS?
Explain the features of pseudo mode?
Name some companies that use Hadoop?
Explain how is hadoop different from other data processing tools?
What is Hadoop streaming?
What is HDFS High Availability?
What is the difference between a Hadoop and Relational Database and Nosql?
What is a Combiner?
What do you understand from Node redundancy and is it exist in hadoop cluster?
Explain the shuffle?
What is cloudera and why it is used?
How to restart Namenode?
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