The shared class cache was the thing I was thinking of, I think. https://developer.ibm.com/tutorials/j-class-sharing-openj9/ https://developer.ibm.com/tutorial

The shared class cache was the thing I was thinking of, I think. https://developer.ibm.com/tutorials/j-class-sharing-openj9/ https://developer.ibm.com/tutorials/j-class-sharing-openj9/ Looks like maybe there is similar for OpenJDK & Oracle Java as of version 12 (I think it is?) https://docs.oracle.com/en/java/javase/19/docs/specs/man/java.html#application-class-data-sharing https://docs.oracle.com/en/java/javase/19/docs/specs/man/jav...