Explain in which directory hadoop is installed?
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What is Mapper? How can we compress Mapper output in Hadoop?
How Hadoop is cost-effective?
How analysis of Big Data is useful for organizations?
What are some typical functions of job tracker in hadoop?
Explain what happens when hadoop spawned 50 tasks for a job and one of the task failed?
What is Erasure Coding in Hadoop?
Clarify what a task tracker is in hadoop?
What is configured in /etc/hosts and what is its role in setting Hadoop cluster?
What kind of hardware is best for hadoop?
Why is checkpointing important in hadoop?
What is a commodity hardware? Does commodity hardware include RAM?
Explain about Hadoop file system and processing framework?
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