Summary
These steps apply for customer who want to increase connector java heap memory within a container on ArcMC.
Question
Go to Node Management --> Containers tab and select the Container where you want to increase connectors memory size.
From Action Drop-Down list, select Send Container Command
Hit Next and select Command Type: Configuration Memory Settings
Hit Next and select desired value that you want to set for your connectors from Drop-Down list
Hit Next to confirm the selection and click Done to complete the change.
The container will be restarts for applying the change.
Note: All of connectors within a container are using a same framework hence the change above will affect to all of connectors in container.
See attachment with picture-in-picture steps.