Can we deploy job tracker other than name node?
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When should be hadoop archive create?
Why is checkpointing important in hadoop?
What is fsck?
What does hadoop-env.sh do?
How often DataNode send heartbeat to NameNode in Hadoop?
What is High Availability feature in Hadoop2?
Mention what is distributed cache in hadoop?
What jobtracker is in hadoop? What are the activities followed by hadoop?
How would you check whether your NameNode is working or not?
What is Fault Tolerance?
Name the operating system(s) which are supported for production hadoop deployment?
Is it possible to rename the output file, and if so, how?
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