What is a combiner in hadoop?
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What does rack awareness algorithm means and why is it utilized as a part of hadoop?
List of the some best tools that can be useful for data-analysis?
Explain how jobtracker schedules a task?
What is data cleansing?
When should be hadoop archive create?
What is Disk Balancer in Hadoop?
What happen when namenode enters in safemode in hadoop?
Mention how many inputsplits is made by a hadoop framework?
Can we change the file cached by distributed cache
How can one check whether NameNode is working or not?
What is Combiner in Hadoop?
Define a udf?
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