Explain map-only job?
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How many daemon processes run on a hadoop cluster?
If no custom partitioner is defined in Hadoop then how is data partitioned before it is sent to the reducer?
How often DataNode send heartbeat to NameNode in Hadoop?
What is the use of cloudera?
Can you explain hadoop streaming?
Is hadoop still in demand?
What are some typical functions of job tracker in hadoop?
What is TaskTracker?
Can I set the number of reducers to zero?
In which directory hadoop is installed?
What is KeyValueTextInputFormat in Hadoop?
What are the Features of Hadoop?
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