Functions of Secondary Name node



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There is a quiz Q:
Can Secondary NameNode takeover as NameNode if NameNode fails?

I think we did not cover the explanation for this quite well in the class? Shobhan, would you be able to explain this in the class? Thanks

1 Answer(s)


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hi Karuna,

SNN cannot takeover as NameNode if NN fails. SNN is only a backup node and its job is to take backup of fsimage and editlog files.

Thanks