ter is optional and will default to some reasonably small system-specific
          value that will suffice to maintain chronological flow of log records to
          the backend.
        </p>
<p>
          The ordering window is maintained by the frontend even upon stopping the
          internal feeding loop, so that it would be possible to reenter the loop
          without breaking the record ordering. On the other hand, in order to ensure
          that all log records are flushed to the backend one ha