@Override
    public void setMaxFileSize(int size) {
        maxFileSize = size;
        auditor.setMaxValues(maxTotalSize, maxFileSize, retention);
        JiveGlobals.setProperty("xmpp.audit.filesize", Integer.toString(size));
    }
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