You should be fine, but it depends on your definition of “small VPS”. Generally, assume that each process will need about 512MB of memory. You’ll definitely wa

You should be fine, but it depends on your definition of “small VPS”. Generally, assume that each process will need about 512MB of memory. You’ll definitely want to restrict the JVM by memory, either by explicit flags (-Xmx ) or by running them in a cgroup or container.