Why is Apache Spark faster than Apache Hadoop?
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What is high availability in hadoop?
Explain the difference between gen1 and gen2 hadoop with regards to the namenode?
how is a file of the size 1 GB uncompressed
What is NoSQL?
What is a checkpoint?
Should we use RAID in Hadoop or not?
Mention what is the number of default partitioner in Hadoop?
How did you debug your Hadoop code ?
How can you connect an application
What do sorting do?
Are Namenode and job tracker on the same host?
How to change from su to cloudera?
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