Is hadoop based on google mapreduce?
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Why password is needed in ssh localhost?
How to enable/configure the compression of map output data in hadoop?
What is a Record Reader in hadoop?
What are the limitations of importing RDBMS tables into Hcatalog directly?
What is the Use of SSH in Hadoop ?
How many JVMs run on a slave node?
Is client the end user in HDFS?
What is high availability in hadoop?
Explain what happens in textinformat ?
What's the best way to copy files between HDFS clusters?
Define a namenode?
How does an hadoop application look like or their basic components?
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