@Override
    public void setEnabled(boolean enabled) {
        this.enabled = enabled;
        JiveGlobals.setProperty("xmpp.audit.active", enabled ? "true" : "false");
        processEnabled(enabled);
    }
the time between successive executions of the task that will save
the queued audited packets to a permanent store.
xmppserver/src/main/java/org/jivesoftware/openfire/audit/spi/AuditManagerImpl.java