Is it possible to provide multiple input to Hadoop? If yes then how?
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Give examples of some companies that are using Hadoop structure?
Give me the examples of Columnar database ?
Which port does SSH work on?
After increasing the replication level, I still see that data is under replicated. What could be wrong?
In hadoop_pid_dir, what does pid stands for?
Give me an example of document database ?
What is Erasure Coding in Hadoop?
What happens if you get a ‘connection refused java exception’ when you type hadoop fsck /?
What is tasktracker in hadoop?
How would you check whether your NameNode is working or not?
Explain what is jobtracker in hadoop? What are the actions followed by hadoop?
What is the job tracker role in hadoop?
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