I am not sure if my question seems trivial. BTW, I wanted to know if I can increase the yarn memory available when I use HDP2.5 sandbox. It has around available 2.2 GB RAM. I run the sandbox on my laptop which have around 12GB RAM.
In order to run Sandbox minimum 8GB of RAM is suggested. Sandbox comes with many pre-installed services and many of them runs by default. So if you want to allocate little more memory to some of the components like YARN then temporarily you can stop some of the services that you might not be using temporarily (Example: Oozie/Zeppelin ..etc) and then put them in Maintenance Mode so that you will not see any alert from those services. This way you can have little more adjustment on the memory consumed by various services.