Which modes can Hadoop be run in? List a few features for each mode?
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List out the different stream grouping in apache storm?
How NameNode tackle Datanode failures in Hadoop?
Explain Hadoop streaming?
If no custom partitioner is defined in Hadoop then how is data partitioned before it is sent to the reducer?
How to create the directory when name node is in safe mode?
Explain in which directory hadoop is installed?
What daemons run on master nodes?
What is TextInputFormat in Hadoop?
What is Fault Tolerance?
How to do ‘map’ and ‘reduce’ works?
Clarify what is sqoop in hadoop?
Why do we need hadoop for big data analytics?
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