what are the steps involved in decommissioning removing
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What is commodity hardware?
What exactly is hadoop?
shouldn't DFS be able to handle large volumes of data already?
Can Hadoop be compared to NOSQL database like Cassandra?
Which are the three main hdfs-site.xml properties?
what are Task Tracker and Job Tracker?
What is HDFS ? How it is different from traditional file systems?
What is small file problem in hadoop?
Explain how do ‘map’ and ‘reduce’ works?
What is a Task instance in Hadoop? Where does it run?1
How is security achieved in Apache Hadoop?
How we can change Replication factor when Data is on the fly?
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