How many instances of JobTracker can run on a Hadoop Cluser?
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What are the modules that constitute the Apache Hadoop 2.0 framework?
What is oozie in hadoop?
Explain the master class and the output class do?
How do you define "block" in HDFS?
Why do we need a password-less ssh in fully distributed environment?
How to change Replication Factor For below cases ?
On What concept the Hadoop framework works?
Define a datanode?
How many maximum jvm can run on a slave node?
How can you overwrite the replication factors in HDFS?
How to enable recycle bin or trash in hadoop?
Why the name ‘hadoop’?
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