Help the world stop coronavirus! Stay home!

Prev Next

BigData / Hadoop basics

What is Backup Node?

Backup Node is corresponding to Checkpoint NameNode, but it keeps the updated copy of FsImage in RAM memory and is always synchronized with NameNode.

❤Cash Back At Stores you Love !!!❤

Earn your $10 reward when you make your first purchase through Ebates by signing up with clicking below button.

Ebates Coupons and Cash Back

More Related questions...

Show more question and Answers...

Hadoop MapReduce

Comments & Discussions