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Apache Hadoop (394) - MapReduce (354)
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Hadoop Interview Questions
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Un-Answered Questions { Hadoop }
What is RDD?
Why do we need spark?
How does job tracker schedule a job for the task tracker?
What are the main hdfs-site.xml properties?
how you can reduce churn in ISR? When does broker leave the ISR?
What is Hive Data Definition language?
What is the difference between apache mahout and prediction.io ?
Why MapReduce uses the key-value pair to process the data?
How does speculative execution work in Hadoop?
Why is block size large in Hadoop?
What is difference between hive and hdfs?
What are the uses and applications of mahout ?
Who is intended audience to learn HCatalog?
Which operating system(s) are supported for production hadoop deployment?
What are combiners and its purpose?
