private String heapdumpFilename() {
        return Defaults.getDefaults().underVespaHome("var/crash/java_pid.") + sanitizeFileName(configId) + "."
                + ProcessHandle.current().pid() + ".hprof";
    }
Kills the JVM if the application is unable to shutdown before deadline.

@author bjorncs
container-disc/src/main/java/com/yahoo/container/jdisc/ShutdownDeadline.java