Ideally what should be replication factor in a Hadoop cluster?
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What is difference between reducer and combiner?
What happens in text format?
Clarify what is sqoop in hadoop?
If DataNode increases, then do we need to upgrade NameNode in Hadoop?
How Hadoop is cost-effective?
is there a standard procedure to deploy hadoop?
What are the port numbers of job tracker?
What is a udf?
What are the most common OutputFormat in Hadoop?
Explain InputSplit in Hadoop?
List some use cases where classification machine learning algorithms can be used.
Which port does SSH work on?
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