Python and Node use far more memory than Java. Golang uses less but not by orders of magnitude, maybe 3x less. Sounds like your JVM GC settings were off, Golang

Python and Node use far more memory than Java. Golang uses less but not by orders of magnitude, maybe 3x less. Sounds like your JVM GC settings were off, Golang has GC just like Java. Most Netflix and Google services are built in Java...