what is WebDAV in Hadoop?
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How does Mappers run method works?
What is the difference between Job and Task in MapReduce?
Explain the input type/format in mapreduce by default?
Explain what you understand by speculative execution
What is mapper in map reduce?
What is heartbeat in hdfs? Explain.
Can we submit the mapreduce job from slave node?
What is the problem with the small file in Hadoop?
What is shuffling and sorting in Hadoop MapReduce?
What are mapreduce new and old apis while writing map reduce program?. Explain how it works
When is the reducers are started in a MapReduce job?
what is a sequence file in Hadoop?
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