The problem got exacerbated when the container-ized deployment stopped letting the OS more efficiently serve shared memory. There are lots of tricks and wisdom

The problem got exacerbated when the container-ized deployment stopped letting the OS more efficiently serve shared memory. There are lots of tricks and wisdom built into platforms like Tomcat to reduce memory use, too. They're just confused when they're alone in what appears to be their own universe. This is why there's such a strong pressure to move to more svelte language implementations and "microservices" as you start to see containerization take off.