Explain what is the purpose of RecordReader in Hadoop?
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What stored in HDFS?
what is meaning Replication factor?
What are the characteristics of hadoop framework?
What is configuration of a typical slave node on Hadoop cluster? How many JVMs run on a slave node?
How indexing is done in HDFS?
Where is the Mapper Output intermediate kay-value data stored ?
On which port does ssh work?
What is inputsplit in hadoop? Explain.
What is the functionality of jobtracker in hadoop?
What is compute and Storage nodes?
what are the nodes in the Hadoop cluster?
What is Distributed Cache?
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