Which are the two types of 'writes' in HDFS?
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What is the Use of SSH in Hadoop ?
What is the jobtracker and what it performs in a hadoop cluster?
Why we cannot do aggregation (addition) in a mapper? Why we require reducer for that?
What is the purpose of DataNode block scanner?
what are Task Tracker and Job Tracker?
how to share the metastore within multiple users?
How can one increase replication factor to a desired value in Hadoop?
What is the functionality of jobtracker in hadoop?
How to change Replication Factor For below cases ?
What is Apache Hadoop?
What hadoop does in safe mode?
On what basis name node distribute blocks across the data nodes?
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