How to Increase the Ambari Heap Size?

[#1]

Where can I increase and set the Ambari heap size?

[#2 · Accepted solution]

If you're looking for the server settings:

Edit the following file on the Ambari Server:

/var/lib/ambari-server/ambari-env.sh and replace the value of the -Xmx2048m argument with the desired setting, such as:

-Xmx4096m -XX:PermSize=128m -XX:MaxPermSize=128m.

Restart the Ambari Server to apply this change:

[#3]

This and more are documented here: http://docs.hortonworks.com/HDPDocuments/Ambari-2.1.2.0/bk_ambari_views_guide/content/ch_using_ambar...