what factors the block size takes before creation?
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Can you give us some more details about ssh communication between masters and the slaves?
Is secondary namenode a substitute to the namenode?
what should be the ideal replication factor in hadoop?
What if rack 2 and datanode fails?
Why password is needed in ssh localhost?
What is NoSQL?
Explain the core components of hadoop?
What will be the consideration while we do Hardware Planning for Master in Hadoop architecture?
On What concept the Hadoop framework works?
Can you explain how do ‘map’ and ‘reduce’ work?
How to enable recycle bin in hadoop?
How many Daemon processes run on a Hadoop system?
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