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Hadoop Interview Questions
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Un-Answered Questions { Hadoop }
What is map in apache spark?
What happens to a NameNode that has no data?
What is a pipelinedrdd?
is it posible to join multiple fields in pig scripts?
How to debug Hadoop code?
Describe join() operation. How is outer join supported?
What can you do with Kafka?
Explain the types Of Znodes?
How does apache spark work?
Why Apache Spark?
how you can get exactly once messaging from Kafka during data production?
Why is Apache Spark faster than Hadoop MapReduce?
What is the difference between hbase and hadoop/hdfs?
How is 0xdata's h2o different from apache mahout ?
What is a task tracker?
