What is the problem with small files in Hadoop?
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How would an hadoop administrator deploy various components of hadoop in production?
List out the different stream grouping in apache storm?
Define data cleansing?
How to specify more than one path for storage in Hadoop?
What is the use of recordreader in hadoop?
Define “speculative execution” in hadoop?
What is the role of the namenode?
What is the key difference between NameNode and DataNode in Hadoop?
What are some of the characteristics of Hadoop framework?
What happens when two clients try to access the same file in the hdfs?
What are the port numbers of namenode?
Where are hadoop’s configuration files located and list them?
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