Suppose Hadoop spawned 100 tasks for a job and one of the task failed. What will Hadoop do?
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Explain the wordcount implementation via hadoop framework ?
What is formatting of the dfs?
Explain how input and output data format of the hadoop framework?
What is difference between split and block in hadoop?
What is the jobtracker and what it performs in a hadoop cluster?
Is a job split into maps?
Explain how can we change the split size if our commodity hardware has less storage space?
What is HDFS High Availability?
What is cloudera and why it is used?
How hdfa differs with nfs?
Who is a 'user' in HDFS?
What is partioner in hadoop? Where does it run,mapper or reducer?