What is difference between secondary namenode, checkpoint namenode & backupnode?
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What is the difference between an inputsplit and a block?
What webdav is in hadoop?
How Hadoop is cost-effective?
What does the high availability of a name-node means?
Why we use intwritable instead of int? Why we use longwritable instead of long?
How can you native libraries be included in yarn jobs?
Explain what is sequencefileinputformat?
We have already sql then why nosql?
Can you explain the common input formats in hadoop?
What is Erasure Coding in Hadoop?
Explain map-only job?
Explain how can we check whether namenode is working or not?
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