What is HDFS Federation?
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How to resolve IOException: Cannot create directory
Do we need to give a password, even if the key is added in ssh?
What are the two main components of ResourceManager?
How many JVMs run on a slave node?
Does this lead to security issues?
Why do we use Hadoop?
What hadoop does in safe mode?
Virtual Box & Ubuntu Installation?
Why do we use HDFS for applications having large data sets and not when there are lot of small files?
Explain why do we need hadoop?
What is Disk Balancer in Apache Hadoop?
What is commodity hardware?