How does speculative execution work in Hadoop?
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What are the port numbers of job tracker?
What is JobTracker?
Explain map-only job?
Clarify what is sequence file input format?
What is a commodity hardware? Does commodity hardware include RAM?
Compare Apache Hadoop and Apache Spark?
What is a Heartbeat in Hadoop?
What is tasktracker in hadoop?
What is the problem with small files in Hadoop?
What is Identity reducer?
What is meant by streaming access?
How many maps are there in a particular job?
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