» Unlabelled » What is a Secondary Namenode? Is it a substitute to the Namenode? | Hadoop Questions

What is a Secondary Namenode? Is it a substitute to the Namenode? | Hadoop Questions

The secondary Namenode constantly reads the data from the RAM of the Namenode and writes it into the hard disk or the file system. It is not a substitute to the Namenode, so if the Namenode fails, the entire Hadoop system goes down.

Posted by at 02:23

1 comment:

  1. Unknown15 October 2015 at 23:08

    Thank you for the information. You have a very good article. I found it informative and useful. Keep up the good work and God bless!

    Yong
    www.gofastek.com

    ReplyDelete

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