Why do we use Hadoop?
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In cloudera there is already a cluster, but if I want to form a cluster on ubuntu can we do it?
Is hadoop a memory?
what are the nodes in the Hadoop cluster?
Can we have multiple entries in the master files?
In which location Name Node stores its Metadata and why?
What is column families? What happens if you alter the block size of ColumnFamily on an already populated database?
Are Namenode and job tracker on the same host?
What exactly is hadoop?
what factors the block size takes before creation?
What is Writable & WritableComparable interface?
What is HDFS ? How it is different from traditional file systems?
What is HDFS Federation?
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