How does master slave architecture in the hadoop?
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Main Components of Hadoop?
Define a datanode?
What is a heartbeat in HDFS?
What is Derby database?
Define a job tracker?
What is a speculative execution in Apache Hadoop MapReduce?
Explain the core components of hadoop?
What other technologies have you used in hadoop sta ck?
How to resolve IOException: Cannot create directory
Why is hadoop faster?
what are Task Tracker and Job Tracker?
Can we do online transactions(oltp) using hadoop?