Help the world stop coronavirus! Stay home!

Prev Next

BigData / Hadoop basics

What is NameNode?

NameNode is a daemon process in HDFS which is responsible for all processes related to storage in Hadoop. It Manages the Hadoop File system namespace. NameNode Itself doesnot store the actual data, whereas it stores the meta data in RAM for supporting faster operations. NameNode is a Single point of failure in Hadoop System.

Meta data files managed by NameNode are,

  1. FSImage File.
  2. EditLog File.

❤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