"When there's a big disparity between those Java and [Go] programs, it's mostly the default JVM memory allocation versus whatever [Go] needs."

http://programmers.stackexchange.com/questions/189542/is-mem...

I looked at this:

http://stackoverflow.com/questions/5673388/what-is-the-small...

For me using Java 1.8 the number is around 1.5MB. Something similar in Go is 60KB