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What is Chain Mapper?
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Explain in which directory hadoop is installed?
Ideally what should be replication factor in a Hadoop cluster?
Do we require two servers for the namenode and the datanodes?
How is the splitting of file invoked in Hadoop ?
After the Map phase finishes, the Hadoop framework does 'Partitioning, Shuffle and sort'. Explain what happens in this phase?
How can you set an arbitrary number of Reducers to be created for a job in Hadoop?
Which directory does hadoop install to?
What are the core components of Hadoop?
What jobtracker is in hadoop? What are the activities followed by hadoop?
What does hadoop-metrics.properties file do?
Where is hadoop-env.sh file present?
What is Slot in Hadoop v1? Why was it removed from Hadoop v2?
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