What do you understand from Node redundancy and is it exist in hadoop cluster?
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Is client the end user in HDFS?
Name some companies that use Hadoop?
What platform and java version are required to run hadoop?
Why is Apache Spark faster than Apache Hadoop?
What is the jobtracker?
If a data Node is full how it's identified?
How you can contact your client everyday ?
What is the difference between Hadoop and Traditional RDBMS?
What's the best way to copy files between HDFS clusters?
How we can change Replication factor when Data is on the fly?
How to enable recycle bin in hadoop?
What is IdentityMapper?
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