What is nlineoutputformat?
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Did you ever ran into a lop sided job that resulted in out of memory error
Do we need to give a password, even if the key is added in ssh?
What is zookeeper in hadoop?
Explain the basic difference between traditional rdbms and hadoop?
Name the examples of some companies that are using hadoop structure?
Why do we use HDFS for applications having large data sets and not when there are lot of small files?
What is the functionality of jobtracker in hadoop?
What is oozie in hadoop?
How many JVMs run on a slave node?
Is it possible to provide multiple inputs to hadoop? If yes, explain.
What is Apache Hadoop? Why is Hadoop essential for every Big Data application?
How to use Apache Zookeeper command line interface?
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