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What are 'slaves' and 'masters' in Hadoop?
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More Hadoop General Interview Questions
If datanodes increase, then do we need to upgrade namenode?
Name the most common Input Formats defined in Hadoop? Which one is default?
What is the default replication factor and how will you change it?
Mention how many inputsplits is made by a hadoop framework?
What are the different modes in which we can configure/install Hadoop?
What is the purpose of RecordReader in hadoop?
What is the role of the secondary namenode?
Mention what is the data storage component used by hadoop?
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What is a udf?
List out some common problems faced by data analyst?
Can we deploye job tracker other than name node?
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