Explain the Single point of Failure in Hadoop?
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What is the relationship between Jobs and Tasks in Hadoop?
List out the different stream grouping in apache storm?
What are the port numbers of namenode?
Suppose hadoop spawned 100 tasks for a job and one of the tasks failed. What will hadoop do?
What happens if the number of reducers is 0 in Hadoop?
What is KeyValueTextInputFormat in Hadoop?
What does the file hadoop-metrics.properties do?
If DataNode increases, then do we need to upgrade NameNode?
Clarify what webdav is in hadoop?
What are the main features and Characteristics of Hadoop which makes it the most popular and powerful Big Data tool?
What type of data we should put in distributed cache? When to put the data in dc? How much volume we should put in?
Explain in which directory hadoop is installed?
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