How many job tracker processes can run on a single Hadoop cluster?
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What is the procedure for namenode recovery?
How do you overwrite replication factor?
Where are hadoop’s configuration files located and list them?
What are some typical functions of Job Tracker?
What is configured in /etc/hosts and what is its role in setting Hadoop cluster?
What mode(s) can hadoop code be run in?
Is there another way to check whether Namenode is working?
What is Chain Mapper?
Why use hadoop?
List some use cases where classification machine learning algorithms can be used.
Which port does SSH work on?
Can I set the number of reducers to zero?
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