What is KeyValueTextInputFormat in Hadoop?
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What is the job tracker role in hadoop?
After the Map phase finishes, the Hadoop framework does 'Partitioning, Shuffle and sort'. Explain what happens in this phase?
What are the main components in Hadoop Eco-System and what are their functions ?
What are the features of Standalone (local) mode?
What are the core components of Hadoop?
What is a namenode?
What happen if number of reducer is set to 0 in Hadoop?
What is Identity reducer?
Is it possible to provide multiple input to Hadoop? If yes then how?
What is the command to change the replication factor ?
What does jps command do in Hadoop?
How ordering in hdfs is finished?
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