What are the features of Pseudo mode?
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Is it possible to rename the output file, and if so, how?
What is the use of recordreader in hadoop?
What are the features of Fully-Distributed mode?
After the Map phase finishes, the Hadoop framework does 'Partitioning, Shuffle and sort'. Explain what happens in this phase?
What is job tracker in Hadoop?
How does job tracker schedule a job for the task tracker?
Why is Data Block size set to 128 MB in Hadoop?
Explain what is a task tracker in hadoop?
How to restart NameNode or all the daemons in Hadoop?
What happens when two clients try to access the same file in the hdfs?
What is TextInputFormat in Hadoop?
What are the differences between hadoop 1 and hadoop 2?
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