• +91 9723535972
  • info@interviewmaterial.com

Hadoop Interview Questions and Answers

Question - List the actions that happen when a DataNode fails.

Answer -

  • Both the Jobtracker and the name node detect the failure on which blocks were the DataNode failed.
  • On the failed node all the tasks are rescheduled by locating other DataNodes with copies of these blocks
  • User’s data will be replicated to another node from namenode to maintain the configured replication factor.

Comment(S)

Show all Coment

Leave a Comment




NCERT Solutions

 

Share your email for latest updates

Name:
Email:

Our partners