What does the file hadoop-metrics.properties do?
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Clarify what jobtracker is in hadoop? What are the activities followed by hadoop?
Ideally what should be replication factor in a Hadoop cluster?
Mention what is rack awareness?
Where is hadoop-env.sh file present?
After the Map phase finishes, the Hadoop framework does 'Partitioning, Shuffle and sort'. Explain what happens in this phase?
Are job tracker and task trackers present in separate machines?
what is next step after mapper or maptask?
Is nosql follow relational db model?
Clarify what is sqoop in hadoop?
How can you set an arbitrary number of Reducers to be created for a job in Hadoop?
What is Distributed Cache in Hadoop?
What are the hadoop configuration files at present?
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