Why the name ‘hadoop’?
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What is the difference between Gen1 and Gen2 Hadoop with regards to the Namenode?
What does the command mapred.job.tracker do?
What platform and java version are required to run hadoop?
How the HDFS Blocks are replicated?
What is a secondary namenode?
Explain why the name ‘hadoop’?
What is HDFS - Hadoop Distributed File System?
What is version-id mismatch error in hadoop?
What is a JobTracker in Hadoop? How many instances of JobTracker run on a Hadoop Cluster?
How to enable recycle bin in hadoop?
What is commodity hardware?
What is HDFS block size and what did you chose in your project?