Explain small file problem in hadoop
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Explain map-only job?
We have already sql then why nosql?
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Mention what job does the conf class do?
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What are the different modes in which we can configure/install Hadoop?
Mention how many inputsplits is made by a hadoop framework?
What are the port numbers of namenode?
What is fsck?
Why Hadoop performs replication, although it results in data redundancy?
What do you know about the speculative execution?
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