If I had to take a guess, I would say that this is because the JVM doesn't really give back "free" ram to the OS (but it's still available for reuse from within the JVM). So the console is showing the "OS" level metric while querying it directly shows the view from "inside" the JVM.
Attila -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To unsubscribe from this group and stop receiving emails from it, send an email to google-appengine+unsubscr...@googlegroups.com. To post to this group, send email to google-appengine@googlegroups.com. Visit this group at https://groups.google.com/group/google-appengine. To view this discussion on the web visit https://groups.google.com/d/msgid/google-appengine/32a632ab-acaa-4c76-9c4d-88d5770d37e1%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
