Knox and Hadoop Development Tools?
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What are the modes in which Apache Hadoop run?
What exactly is hadoop?
Have you ever used Counters in Hadoop. Give us an example scenario?
What does ‘jps’ command do?
What is the difference between Gen1 and Gen2 Hadoop with regards to the Namenode?
What is the Use of SSH in Hadoop ?
Explain the features of fully distributed mode?
Explain why do we need hadoop?
Which one is default InputFormat in Hadoop ?
How to configure hadoop to reuse JVM for mappers?
What is the relation between job and task in hadoop?
What alternate way does HDFS provides to recover data in case a Namenode