Define tasktracker.
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Explain the basic difference between traditional rdbms and hadoop?
Where is the Mapper Output stored?
Can we call vms as pseudos?
What are the different types of Znodes?
What are the problems with Hadoop 1.0?
Explain the difference between gen1 and gen2 hadoop with regards to the namenode?
How do you categorize a big data?
What will be the consideration while we do Hardware Planning for Master in Hadoop architecture?
Why do we use HDFS for applications having large data sets and not when there are lot of small files?
What is Schema on Read and Schema on Write?
What infrastructure do we need to process 100 TB data using Hadoop?
What is the purpose of button groups?
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