文件操作 - standby-settings.html

文件: /usr/share/doc/postgresql-9.2.24/html/standby-settings.html

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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>Standby Server Settings</TITLE
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><H1
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><A
NAME="STANDBY-SETTINGS"
>26.3. Standby Server Settings</A
></H1
><P
></P
><DIV
CLASS="VARIABLELIST"
><DL
><DT
><A
NAME="STANDBY-MODE"
></A
><TT
CLASS="VARNAME"
>standby_mode</TT
> (<TT
CLASS="TYPE"
>boolean</TT
>)</DT
><DD
><P
>          Specifies whether to start the <SPAN
CLASS="PRODUCTNAME"
>PostgreSQL</SPAN
> server as
          a standby. If this parameter is <TT
CLASS="LITERAL"
>on</TT
>, the server will
          not stop recovery when the end of archived WAL is reached, but
          will keep trying to continue recovery by fetching new WAL segments
          using <TT
CLASS="VARNAME"
>restore_command</TT
>
          and/or by connecting to the primary server as specified by the
          <TT
CLASS="VARNAME"
>primary_conninfo</TT
> setting.
         </P
></DD
><DT
><A
NAME="PRIMARY-CONNINFO"
></A
><TT
CLASS="VARNAME"
>primary_conninfo</TT
> (<TT
CLASS="TYPE"
>string</TT
>)</DT
><DD
><P
>          Specifies a connection string to be used for the standby server
          to connect with the primary. This string is in the format
          accepted by the libpq <CODE
CLASS="FUNCTION"
>PQconnectdb</CODE
> function,
          described in <A
HREF="libpq-connect.html"
>Section 31.1</A
>. If any option is
          unspecified in this string, then the corresponding environment
          variable (see <A
HREF="libpq-envars.html"
>Section 31.14</A
>) is checked. If the
          environment variable is not set either, then
          defaults are used.
         </P
><P
>          The connection string should specify the host name (or address)
          of the primary server, as well as the port number if it is not
          the same as the standby server's default.
          Also specify a user name corresponding to a suitably-privileged role
          on the primary (see
          <A
HREF="warm-standby.html#STREAMING-REPLICATION-AUTHENTICATION"
>Section 25.2.5.1</A
>).
          A password needs to be provided too, if the primary demands password
          authentication.  It can be provided in the
          <TT
CLASS="VARNAME"
>primary_conninfo</TT
> string, or in a separate
          <TT
CLASS="FILENAME"
>~/.pgpass</TT
> file on the standby server (use
          <TT
CLASS="LITERAL"
>replication</TT
> as the database name).
          Do not specify a database name in the
          <TT
CLASS="VARNAME"
>primary_conninfo</TT
> string.
         </P
><P
>          This setting has no effect if <TT
CLASS="VARNAME"
>standby_mode</TT
> is <TT
CLASS="LITERAL"
>off</TT
>.
         </P
></DD
><DT
><A
NAME="TRIGGER-FILE"
></A
><TT
CLASS="VARNAME"
>trigger_file</TT
> (<TT
CLASS="TYPE"
>string</TT
>)</DT
><DD
><P
>          Specifies a trigger file whose presence ends recovery in the
          standby.  Even if this value is not set, you can still promote
          the standby using <TT
CLASS="COMMAND"
>pg_ctl promote</TT
>.
          This setting has no effect if <TT
CLASS="VARNAME"
>standby_mode</TT
> is <TT
CLASS="LITERAL"
>off</TT
>.
         </P
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文件操作 - standby-settings.html

文件: /usr/share/doc/postgresql-9.2.24/html/standby-settings.html

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