How many InputSplits will be made by hadoop framework?
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Where are hadoop’s configuration files located and list them?
How namenode handles data node failures?
If datanodes increase, then do we need to upgrade namenode?
What is a combiner in hadoop?
What is rack awareness in hadoop?
What is the default replication factor in Hadoop and how will you change it?
Can you explain speculative execution?
What did mean by data-node?
Clarify what webdav is in hadoop?
Explain what is sequencefileinputformat?
Clarify what jobtracker is in hadoop? What are the activities followed by hadoop?
What are the port numbers of job tracker?
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