What is the difference between traditional RDBMS and Hadoop?
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What infrastructure do we need to process 100 TB data using Hadoop?
What is Row Key?
What are the steps to submit a Hadoop job?
What is the difference between HDFS and NAS ?
What is the sequencefileinputformat in hadoop?
Why is hadoop faster?
Is fs.mapr.working.dir a single directory?
What is a checkpoint?
How does a namenode handle the failure of the data nodes?
What are different hdfs dfs shell commands to perform copy operation?
What is the heartbeat used for?
What problems have you faced when you are working on Hadoop code?
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