What is MapFile?
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What is inputformat in hadoop?
Explain the difference between NameNode
On what basis data will be stored on a rack?
How to use Apache Zookeeper command line interface?
How to enable trash/recycle bin in hadoop?
Why is Apache Spark faster than Apache Hadoop?
Define a job tracker?
Where is the Mapper Output intermediate kay-value data stored ?
What is rack-aware replica placement policy?
What are the two main components of ResourceManager?
Explain the basic difference between traditional rdbms and hadoop?
What's the best way to copy files between HDFS clusters?