Where are Hadoop’s configuration files located?
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What are the restriction to the key and value class ?
Explain how do you overwrite replication factor?
Do we need to place 2nd and 3rd data in rack 2 only?
What is a combiner in hadoop?
Is hadoop still in demand?
How to create hadoop archive?
Explain Hadoop Archives?
If we want to copy 10 blocks from one machine to another, but another machine can copy only 8.5 blocks, can the blocks be broken at the time of replication?
What are the most common OutputFormat in Hadoop?
Mention how many inputsplits is made by a hadoop framework?
What is heartbeat in hadoop?
What are the core components of Hadoop?
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