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How does hadoop achieve fault tolerance?
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What jobtracker is in hadoop? What are the activities followed by hadoop?
After increasing the replication level, I still see that data is under replicated. What could be wrong?
What are the Hadoop features extended to its eco-system components ?
What daemons run on master nodes?
Why does one remove or add nodes in a Hadoop cluster frequently?
Do we require two servers for the namenode and the datanodes?
Can you give some examples of Big Data?
What are the features of Pseudo mode?
What is the problem with small files in Hadoop?
Is Namenode machine same as DataNode machine as in terms of hardware?
What the information segments utilized by hadoop are?
What is the relationship between Jobs and Tasks in Hadoop?
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