What is 'Key value pair' in HDFS?
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What is Row Key?
Explain the shuffle?
What are the different types of Znodes?
Who invented hadoop?
What is DistributedCache and its purpose?
How to enable/configure the compression of map output data in hadoop?
Explain the features of fully distributed mode?
Have you ever used Counters in Hadoop. Give us an example scenario?
how to share the metastore within multiple users?
What are different types of filesystem?
Give the use of the bootstrap panel.
How will you make changes to the default configuration files?
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