What does the mapred.job.tracker command do?
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What is tasktracker in hadoop?
Is Namenode machine same as DataNode machine as in terms of hardware?
What is TaskTracker?
Which port does SSH work on?
Mention what is distributed cache in hadoop?
What are the network requirements for hadoop?
How analysis of Big Data is useful for organizations?
How to restart NameNode or all the daemons in Hadoop?
Explain the core methods of the reducer?
How can you set an arbitrary number of mappers to be created for a job in Hadoop?
What are configuration files in Hadoop?
What is a udf?
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