Define a namenode?
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What is high availability in hadoop?
Who invented hadoop?
Is a job split into maps?
What are the basic available commands in Hadoop sqoop ?
What is HDFS - Hadoop Distributed File System?
Define a daemon?
What is Disk Balancer in Apache Hadoop?
In cloudera there is already a cluster, but if I want to form a cluster on ubuntu can we do it?
What is inputsplit in hadoop? Explain.
What are the problems with Hadoop 1.0?
What will you do when NameNode is down?
What is the meaning of the term "non-DFS used" in Hadoop web-console?
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