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standby switchover: accept -S/--superuser option

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Ian Barwick
2020-03-25 13:59:48 +09:00
parent 2e9bc31c8c
commit e64349e4da
3 changed files with 96 additions and 7 deletions
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22
doc/repmgr-standby-switchover.xml
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@@ -67,12 +67,17 @@
<para><emphasis>CHECKPOINT</emphasis></para>
<para>
&repmgr; executes <command>CHECKPOINT</command> on the demotion candidate as part of the shutdown
process.
process to ensure it shuts down as smoothly as possible.
</para>
<para>
Note that <command>CHECKPOINT</command> requires database superuser permissions to execute.
If the <literal>repmgr</literal> user is not a superuser, the checkpoint operation will
fail, though this is not a fatal error &repmgr; will continue the switchover process.
If the <literal>repmgr</literal> user is not a superuser, the name of a superuser should be
provided with the <option>-S</option>/<option>--superuser</option>.
</para>
<para>
If &repmgr; is unable to execute the <command>CHECKPOINT</command> command, the switchover
can still be carried out, albeit at a greater risk that the demotion candidate may not
be able to shut down as smoothly as might otherwise have been the case.
</para>
<para><emphasis>pg_promote() (PostgreSQL 12 and later)</emphasis></para>
<para>
@@ -211,6 +216,17 @@
</note>
</listitem>
</varlistentry>
<varlistentry>
<term><option>-S</option>/<option>--superuser</option></term>
<listitem>
<para>
Use the named superuser instead of the normal &repmgr; user to perform
actions requiring superuser permissions.
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>