What does rack awareness algorithm means?
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What happen on the namenode when a client tries to read a data file?
What is the use of cloudera?
Mention what does the text input format do?
Explain how can we check whether namenode is working or not?
Doesn’t google have its very own version of dfs?
How many maps are there in a particular job?
what happens when namenode goes down during file read operation in hadoop?
In hadoop_pid_dir, what does pid stands for?
What happens if the number of reducers is 0 in Hadoop?
When we send a data to a node, do we allow settling in time, before sending another data to that node?
How can you native libraries be included in yarn jobs?
What are the functionalities of jobtracer?
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