What are the functionalities of jobtracker?
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Can you give us some more details about ssh communication between masters and the slaves?
What is a “Distributed Cache” in Apache Hadoop?
What is speculative execution in Hadoop?
How is the distance between two nodes defined in Hadoop?
What is a 'block' in HDFS?
How many instances of tasktracker run on a hadoop cluster?
How we can change Replication factor when Data is on the fly?
How blocks are distributed among all data nodes for a particular chunk of data?
What is version-id mismatch error in hadoop?
What is Distributed Cache?
What is a task instance in hadoop? Where does it run?
Why password is needed in ssh localhost?
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