I see minimum recommendations for vRO 7.5 appliance but I am looking for a doc that tells what increments I can increase. What CPU and memory combination I can go for. At this time it is 2 CPU 4GB RAM, but we have around half a dozen developers using it, vRO response is very slow. Could anyone suggest give a staggered increase of CPU and memory? I can go for 8 CPU and 36 GB but not sure if that brings any issues later.
It totally depends on your underlying infrastructure and your needs. This is why it's useful to have a tool like vROps to be able to know the appropriate size and not guess. From an application level, you'll still want to manage the Java heap size after making adjustments to appliance memory size.