What is the key difference between NameNode and DataNode in Hadoop?
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Explain is it possible to search for files using wildcards?
What happens if number of reducers are 0?
Can you explain logistic regression?
What is a commodity hardware? Does commodity hardware include RAM?
What is partitioning?
Mention what job does the conf class do?
What is the role of the secondary namenode?
Can hadoop handle streaming data?
Can we deploy job tracker other than name node?
What does hadoop-metrics.properties file do?
What is heartbeat in hadoop?
What are the limitations of Hadoop?
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