Mention what is the number of default partitioner in Hadoop?
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Explain what is sqoop in Hadoop ?
Have you ever used Counters in Hadoop. Give us an example scenario?
What are the problems with Hadoop 1.0?
Is it possible to provide multiple inputs to hadoop? If yes, explain.
Explain the features of pseudo mode?
How can I restart namenode?
How to enable recycle bin or trash in hadoop?
What is Input Split in hadoop?
What hadoop does in safe mode?
what factors the block size takes before creation?
How many instances of tasktracker run on a hadoop cluster?
What is Disk Balancer in Apache Hadoop?
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