PE"
>enum</TT
>)</DT
><DD
><P
>        Enables logging of recovery-related debugging output that otherwise
        would not be logged. This parameter allows the user to override the
        normal setting of <A
HREF="runtime-config-logging.html#GUC-LOG-MIN-MESSAGES"
>log_min_messages</A
>, but only for
        specific messages. This is intended for use in debugging Hot Standby.
        Valid values are <TT
CLASS="LITERAL"
>DEBUG5</TT
>, <TT
CLASS="LITERAL"
>DEBUG4</TT
>,
        <TT
CLASS="LITERAL"
>DEBUG