Explain Hadoop streaming?
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What are the Hadoop features extended to its eco-system components ?
Did you ever ran into a lop sided job that resulted in out of memory error, if yes then how did you handled it ?
Can you explain hadoop streaming?
Is it possible to rename the output file, and if so, how?
In which location name node sores its metadata and why?
What are the important modes of hadoop?
Doesn’t google have its very own version of dfs?
How is the splitting of file invoked in Hadoop ?
If datanodes increase, then do we need to upgrade namenode?
Ideally what should be the replication factor in hadoop?
Explain how can we check whether namenode is working or not?
What are the benefits yarn brings in to hadoop?
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