What are the port numbers of task tracker?
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What is the command to change the replication factor ?
Web-ui shows that half of the datanodes are in decommissioning mode. What does that mean? Is it safe to remove those nodes from the network?
Can we use windows for hadoop?
What are the benefits yarn brings in to hadoop?
What are the features of Pseudo mode?
What do you mean by the NameNode High Availability in hadoop?
Can you explain combiner?
How to handle bad records during parsing?
What type of data we should put in distributed cache? When to put the data in dc? How much volume we should put in?
Why use hadoop?
How can one check whether NameNode is working or not?
Which object can be used to get the progress of a particular job
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