What happens when a data node fails?

Category: HadoopWhat happens when a data node fails?
Editor">Editor Staff asked 2 years ago

What happens when a data node fails?

1 Answers
Editor">Editor Staff answered 2 years ago

If a data node fails the job tracker and name node will detect the failure. After that, all tasks are re-scheduled on the failed node and then name node will replicate the user data to another node.