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Apache Hadoop Interview Questions
Un-Answered Questions { Apache Hadoop }
Did you ever built a production process in hadoop ? If yes then what was the process when your hadoop job fails due to any reason?
If a data Node is full how it's identified?
What are combiners and its purpose?
Can hbase run without hadoop?
What are the steps to submit a Hadoop job?
What will you do when NameNode is down?
Is hadoop a database?
What hadoop does in safe mode?
Does the hdfs client decide the input split or namenode?
What is a Secondary Namenode? Is it a substitute to the Namenode?
What is the port number for NameNode
Name some companies that use Hadoop?
Explain the features of fully distributed mode?
What are the site-specific configuration files in Hadoop?
How to Administering Hadoop?
