Explain the features of pseudo mode?
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What do you know about nlineoutputformat?
What is the default block size in Hadoop 1 and in Hadoop 2? Can it be changed?
Can NameNode and DataNode be a commodity hardware?
Mention what is the number of default partitioner in Hadoop?
What is compute and Storage nodes?
What does the command mapred.job.tracker do?
Define streaming access?
How can you overwrite the replication factors in HDFS?
Explain how input and output data format of the hadoop framework?
Define a commodity hardware? Does commodity hardware include ram?
What is the functionality of jobtracker in hadoop?
How many instances of JobTracker can run on a Hadoop Cluser?
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