Which data storage components are used by hadoop?
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What are the port numbers of namenode, job tracker and task tracker?
what is a datanode?
What is the use of combiners in the hadoop framework?
What does the command mapred.job.tracker do?
What problems have you faced when you are working on Hadoop code?
What is Hadoop streaming?
How to enable trash/recycle bin in hadoop?
What is the sequencefileinputformat in hadoop?
What is Hadoop Custom partitioner ?
How will you make changes to the default configuration files?
What do masters consist of?
How would you tackle counting words in several text documents?
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