how can we increase ram size of namenode?

[#1]

I need to know how I can increase the RAM size (Java Heap Size) of my NameNode.

[#2]

Are you using Cloudera Manager or Ambari?

[#3]

cloudera manager. cdh5.13

[#4 · Accepted solution]

Ok then you'll find the parameter "Java Heap Size of NameNode in Bytes" inside HDFS service configuration. Just set that to the size you need and restart HDFS.