How many daemon processes run on a hadoop cluster?
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What is tasktracker in hadoop?
Specify what the information segments utilized by hadoop are?
Explain how can you debug hadoop code?
How does speculative execution work in Hadoop?
What does hadoop-metrics.properties file do?
Which directory does hadoop install to?
How can you set an arbitrary number of Reducers to be created for a job in Hadoop?
What are the four modules that make up the Apache Hadoop framework?
If the hadoop administrator needs to make a change, which configuration file does he need to change?
List out some common problems faced by data analyst?
In which location name node sores its metadata and why?
Why do the nodes are removed and added frequently in a hadoop cluster?
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