Can hadoop replace relational database?
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Give a brief overview of Hadoop history?
Can you give a detailed overview about the Big Data being generated by Facebook?
Explain the usage of Context Object?
Why do we need hadoop for big data analytics?
Why cloudera is used?
What is the relationship between Jobs and Tasks in Hadoop?
What do you understand by unit and ()in scala?
Can you give some examples of Big Data?
Why is checkpointing important in hadoop?
List out some common problems faced by data analyst?
Explain Data Locality in Hadoop?
What is High Availability feature in Hadoop2?
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