> A quick question... anyone using initial memory allocation ( Xmx ) and MaxMetaspaceSize? > I am planning to use "-Xms3072m -Xmx3072m -XX:MaxMetaspaceSize=256m" in production system. > We use " -XX:+UseParallelGC -Xss24m -Xms4g -Xmx4g -XX:MaxGCPauseMillis=400 " Seems to work. Jim