Change heap size for Eclipse installed as a snap package

I'm running Kubuntu 18.04.1 and have Eclipse installed as a snap package. I want to change the values of Xms and Xmx, but I can't edit /snap/eclipse/29/eclipse.ini because it is read-only. Is there a workaround?

Solution

You can add the arguments if you run eclipse via the command-line:

snap run eclipse -vmargs -Xmx15g

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