ing sessions also get the new
     value. Alternatively, you can send the signal to a single server
     process directly.  Some parameters can only be set at server start;
     any changes to their entries in the configuration file will be ignored
     until the server is restarted.  Invalid parameter settings in the
     configuration file are likewise ignored (but logged) during
     <SPAN
CLASS="SYSTEMITEM"
>SIGHUP</SPAN
> processing.
    </P
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="CONFI