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Why is Data Block size set to 128 MB in Hadoop?
Why aggregation cannot be done in Mapper?
How can we create a hadoop cluster from scratch?
List out the different stream grouping in apache storm?
Explain how can you check whether namenode is working beside using the jps command?
What are the core methods of a Reducer?
What webdav is in hadoop?
Is it possible to provide multiple input to Hadoop? If yes then how?
How to do ‘map’ and ‘reduce’ works?
Clarify how job tracker schedules an assignment?
Mention what is distributed cache in hadoop?
What happens if you get a ‘connection refused java exception’ when you type hadoop fsck /?
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