What is a single point of failure in Hadoop 1 and how is it resolved in Hadoop 2?
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Can we write map reduce program in other than java programming language. How?
What is configured in /etc/hosts and what is its role in setting Hadoop cluster?
What is Erasure Coding in Hadoop?
What are some typical functions of Job Tracker?
What is the command to change the replication factor ?
What are the important features of hadoop?
Can we create a hadoop cluster from scratch?
What is Combiner in Hadoop?
What are the different commands used to startup and shutdown Hadoop daemons?
What is a udf?
What kind of hardware is best for hadoop?
Which object can be used to get the progress of a particular job
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