What kind of hardware is best for hadoop?
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What is meant by streaming access?
Why we use intwritable instead of int? Why we use longwritable instead of long?
What is TextInputFormat in Hadoop?
What does jps command do in Hadoop?
What are the differences between hadoop 1 and hadoop 2?
What do you think about the speculative execution?
Suppose hadoop spawned 100 tasks for a job and one of the tasks failed. What will hadoop do?
What happen when namenode enters in safemode in hadoop?
What are the different modes in which we can configure/install Hadoop?
Can we write map reduce program in other than java programming language. How?
How many datanodes can run on a single Hadoop cluster?
Which operating system(s) are supported for production hadoop deployment?
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