How can we create a hadoop cluster from scratch?
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List out some common problems faced by data analyst?
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 if job tracker machine is down?
What happen on the namenode when a client tries to read a data file?
Mention what is distributed cache in hadoop?
Mention what is the difference between an rdbms and hadoop?
Why use hadoop?
Who are ‘Data Scientists’?
How to create the directory when name node is in safe mode?
What type of data hadoop can handle ?
Can you explain commodity hardware?
Can you explain record reader?
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