(<TT
CLASS="VARNAME"
>SHMMIN</TT
>), which should be at most
    approximately 32 bytes for <SPAN
CLASS="PRODUCTNAME"
>PostgreSQL</SPAN
> (it is
    usually just 1). The maximum number of segments system-wide
    (<TT
CLASS="VARNAME"
>SHMMNI</TT
>) or per-process (<TT
CLASS="VARNAME"
>SHMSEG</TT
>) are unlikely
    to cause a problem unless your system has them set to zero.
   </P
><P
>    <SPAN
CLASS="PRODUCTNAME"
>PostgreSQL</SPAN
> uses one semaphore per allowed connection
    (<A
HREF="runtime-config-co