What happens when two clients try to access the same file in the hdfs?
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How is the splitting of file invoked in Hadoop ?
What is the purpose of RecordReader in hadoop?
How job tracker schedules an assignment?
How would an hadoop administrator deploy various components of hadoop in production?
What are the core components of Hadoop?
Suppose hadoop spawned 100 tasks for a job and one of the tasks failed. What will hadoop do?
What are the four basic parameters of a mapper?
Can you explain speculative execution?
What is the role of the namenode?
What does the file hadoop-metrics.properties do?
What is a Backup node in Hadoop?
Can hadoop handle streaming data?
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