What are the four basic parameters of a mapper?
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Mention what does the text input format do?
Can you explain the common input formats in hadoop?
What is the logistic regression?
Why is checkpointing important in hadoop?
What is winutils hadoop?
What do you think about the speculative execution?
If no custom partitioner is defined in Hadoop then how is data partitioned before it is sent to the reducer?
Why is Data Block size set to 128 MB in Hadoop?
How Hadoop is cost-effective?
What are the Hadoop features extended to its eco-system components ?
Compare Apache Hadoop and Apache Spark?
What happen if one of the datanodes has much slower cpu?
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