doc: move min_recovery_apply_delay into the right section

Patch by Fujii Masao

diff --git a/doc/src/sgml/recovery-config.sgml b/doc/src/sgml/recovery-config.sgml
index b69ce287c8c8bc817e1ef594367216e9a5eb8b41..9335aca8619f89c7bf7f3fb0a6ab568d434dd6ea 100644 (file)
--- a/doc/src/sgml/recovery-config.sgml
+++ b/doc/src/sgml/recovery-config.sgml
@@ -142,56 +142,6 @@ restore_command = 'copy "C:\\server\\archivedir\\%f" "%p"'  # Windows
       </listitem>
      </varlistentry>
 
-     <varlistentry id="min-recovery-apply-delay" xreflabel="min_recovery_apply_delay">
-      <term><varname>min_recovery_apply_delay</varname> (<type>integer</type>)</term>
-      <indexterm>
-        <primary><varname>min_recovery_apply_delay</> recovery parameter</primary>
-      </indexterm>
-      <listitem>
-       <para>
-        By default, a standby server keeps restoring WAL records from the
-        primary as soon as possible. It may be useful to have a time-delayed
-        copy of the data, offering various options to correct data loss errors.
-        This parameter allows you to delay recovery by a fixed period of time,
-        specified in milliseconds if no unit is specified.  For example, if
-        you set this parameter to <literal>5min</literal>, the standby will
-        replay each transaction commit only when the system time on the standby
-        is at least five minutes past the commit time reported by the master.
-       </para>
-       <para>
-        It is possible that the replication delay between servers exceeds the
-        value of this parameter, in which case no delay is added.
-        Note that the delay is calculated between the WAL timestamp as written
-        on master and the time on the current standby. Delays
-        in transfer because of networks or cascading replication configurations
-        may reduce the actual wait time significantly. If the system
-        clocks on master and standby are not synchronised, this may lead to
-        recovery applying records earlier than expected but is not a major issue
-        because the useful settings of the parameter are much larger than
-        typical time deviation between the servers. Be careful to allow for
-        different timezone settings on master and standby.
-       </para>
-       <para>
-        The delay occurs only on WAL records for COMMIT and Restore Points.
-        Other records may be replayed earlier than the specified delay, which
-        is not an issue for MVCC though may potentially increase the number
-        of recovery conflicts generated.
-       </para>
-       <para>
-        The delay occurs until the standby is promoted or triggered. After that
-        the standby will end recovery without further waiting.
-       </para>
-       <para>
-        This parameter is intended for use with streaming replication deployments,
-        however, if the parameter is specified it will be honoured in all cases.
-        Synchronous replication is not affected by this setting because there is
-        not yet any setting to request synchronous apply of transaction commits.
-        <varname>hot_standby_feedback</> will be delayed by use of this feature
-        which could lead to bloat on the master; use both together with care.
-       </para>
-      </listitem>
-     </varlistentry>
-
     </variablelist>
 
   </sect1>
@@ -449,6 +399,56 @@ restore_command = 'copy "C:\\server\\archivedir\\%f" "%p"'  # Windows
         </listitem>
        </varlistentry>
 
+     <varlistentry id="min-recovery-apply-delay" xreflabel="min_recovery_apply_delay">
+      <term><varname>min_recovery_apply_delay</varname> (<type>integer</type>)</term>
+      <indexterm>
+        <primary><varname>min_recovery_apply_delay</> recovery parameter</primary>
+      </indexterm>
+      <listitem>
+       <para>
+        By default, a standby server keeps restoring WAL records from the
+        primary as soon as possible. It may be useful to have a time-delayed
+        copy of the data, offering various options to correct data loss errors.
+        This parameter allows you to delay recovery by a fixed period of time,
+        specified in milliseconds if no unit is specified.  For example, if
+        you set this parameter to <literal>5min</literal>, the standby will
+        replay each transaction commit only when the system time on the standby
+        is at least five minutes past the commit time reported by the master.
+       </para>
+       <para>
+        It is possible that the replication delay between servers exceeds the
+        value of this parameter, in which case no delay is added.
+        Note that the delay is calculated between the WAL timestamp as written
+        on master and the time on the current standby. Delays
+        in transfer because of networks or cascading replication configurations
+        may reduce the actual wait time significantly. If the system
+        clocks on master and standby are not synchronised, this may lead to
+        recovery applying records earlier than expected but is not a major issue
+        because the useful settings of the parameter are much larger than
+        typical time deviation between the servers. Be careful to allow for
+        different timezone settings on master and standby.
+       </para>
+       <para>
+        The delay occurs only on WAL records for COMMIT and Restore Points.
+        Other records may be replayed earlier than the specified delay, which
+        is not an issue for MVCC though may potentially increase the number
+        of recovery conflicts generated.
+       </para>
+       <para>
+        The delay occurs until the standby is promoted or triggered. After that
+        the standby will end recovery without further waiting.
+       </para>
+       <para>
+        This parameter is intended for use with streaming replication deployments,
+        however, if the parameter is specified it will be honoured in all cases.
+        Synchronous replication is not affected by this setting because there is
+        not yet any setting to request synchronous apply of transaction commits.
+        <varname>hot_standby_feedback</> will be delayed by use of this feature
+        which could lead to bloat on the master; use both together with care.
+       </para>
+      </listitem>
+     </varlistentry>
+
      </variablelist>
    </sect1>