diff options
Diffstat (limited to 'doc/src')
| -rw-r--r-- | doc/src/sgml/config.sgml | 23 | ||||
| -rw-r--r-- | doc/src/sgml/high-availability.sgml | 4 |
2 files changed, 20 insertions, 7 deletions
diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml index b5de6c32376..557af3cf6ee 100644 --- a/doc/src/sgml/config.sgml +++ b/doc/src/sgml/config.sgml @@ -4028,7 +4028,12 @@ ANY <replaceable class="parameter">num_sync</replaceable> ( <replaceable class=" <varname>primary_conninfo</varname> string. </para> <para> - This parameter can only be set at server start. + This parameter can only be set in the <filename>postgresql.conf</filename> + file or on the server command line. + If this parameter is changed while the WAL receiver process is + running, that process is signalled to shut down and expected to + restart with the new setting (except if <varname>primary_conninfo</varname> + is an empty string). This setting has no effect if the server is not in standby mode. </para> </listitem> @@ -4045,9 +4050,13 @@ ANY <replaceable class="parameter">num_sync</replaceable> ( <replaceable class=" connecting to the sending server via streaming replication to control resource removal on the upstream node (see <xref linkend="streaming-replication-slots"/>). - This parameter can only be set at server start. + This parameter can only be set in the <filename>postgresql.conf</filename> + file or on the server command line. + If this parameter is changed while the WAL receiver process is running, + that process is signalled to shut down and expected to restart with the + new setting. This setting has no effect if <varname>primary_conninfo</varname> is not - set. + set or the server is not in standby mode. </para> </listitem> </varlistentry> @@ -4160,10 +4169,14 @@ ANY <replaceable class="parameter">num_sync</replaceable> ( <replaceable class=" </term> <listitem> <para> - Specifies whether a WAL receiver should create a temporary replication + Specifies whether the WAL receiver process should create a temporary replication slot on the remote instance when no permanent replication slot to use has been configured (using <xref linkend="guc-primary-slot-name"/>). - The default is off. This parameter can only be set at server start. + The default is off. This parameter can only be set in the + <filename>postgresql.conf</filename> file or on the server command line. + If this parameter is changed while the WAL receiver process is running, + that process is signalled to shut down and expected to restart with + the new setting. </para> </listitem> </varlistentry> diff --git a/doc/src/sgml/high-availability.sgml b/doc/src/sgml/high-availability.sgml index bc4d98fe039..bb5d9962ed3 100644 --- a/doc/src/sgml/high-availability.sgml +++ b/doc/src/sgml/high-availability.sgml @@ -816,8 +816,8 @@ archive_cleanup_command = 'pg_archivecleanup /path/to/archive %r' When the standby is started and <varname>primary_conninfo</varname> is set correctly, the standby will connect to the primary after replaying all WAL files available in the archive. If the connection is established - successfully, you will see a walreceiver process in the standby, and - a corresponding walsender process in the primary. + successfully, you will see a <literal>walreceiver</literal> in the standby, and + a corresponding <literal>walsender</literal> process in the primary. </para> <sect3 id="streaming-replication-authentication"> |