Showing posts with label steps of datanode failure. Show all posts
Showing posts with label steps of datanode failure. Show all posts

Wednesday, February 19, 2014

List of steps of datanode failure.


  • Namenode marks Datanodes without recent heartbeat as dead
  • Does not forward any new I/O requests
  • Constantly tracks which blocks must be replicated with BlockMap
  • Initiates replication when necessary

Live

Your Ad Here