What are the port numbers of namenode?
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What is replication factor?
How jobtracker assign tasks to the tasktracker?
What are the important features of hadoop?
How does speculative execution work in Hadoop?
Is it possible to provide multiple input to Hadoop? If yes then how can you give multiple directories as input to the Hadoop job?
What is Federation?
What is tasktracker in hadoop?
If DataNode increases, then do we need to upgrade NameNode in Hadoop?
What daemons run on master nodes?
Why slaves limited to 4000 in hadoop version 1?
What happens if number of reducers are 0?
Explain in which directory hadoop is installed?
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