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doc: document "node_rejoin_timeout" for switchover operations

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Ian Barwick
2019-01-30 15:43:34 +09:00
parent d4ee4cc14c
commit 9349171b55
3 changed files with 100 additions and 29 deletions
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1
doc/repmgr-daemon-start.sgml
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@@ -70,6 +70,7 @@
</varlistentry> </varlistentry>
<varlistentry> <varlistentry>
<term><option>-w</option></term>
<term><option>--wait</option></term> <term><option>--wait</option></term>
<listitem> <listitem>
<para> <para>

3
doc/repmgr-daemon-stop.sgml
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@@ -78,7 +78,8 @@
</varlistentry> </varlistentry>
<varlistentry> <varlistentry>
<term><option>-w/--wait</option></term> <term><option>-w</option></term>
<term><option>--wait</option></term>
<listitem> <listitem>
<para> <para>
Wait for the specified number of seconds to confirm that <application>repmgrd</application> Wait for the specified number of seconds to confirm that <application>repmgrd</application>

125
doc/repmgr-standby-switchover.sgml
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@@ -146,6 +146,7 @@
<varlistentry> <varlistentry>
<term><option>--siblings-follow</option></term> <term><option>--siblings-follow</option></term>
<listitem> <listitem>
<para> <para>
@@ -163,27 +164,57 @@
<para> <para>
Note that following parameters in <filename>repmgr.conf</filename> are relevant to the Note that following parameters in <filename>repmgr.conf</filename> are relevant to the
switchover operation: switchover operation:
<itemizedlist spacing="compact" mark="bullet"> </para>
<listitem> <variablelist>
<simpara>
<literal>replication_lag_critical</literal>:
if replication lag (in seconds) on the standby exceeds this value, the
switchover will be aborted (unless the <literal>-F/--force</literal> option
is provided)
</simpara>
</listitem>
<listitem> <varlistentry>
<simpara> <indexterm>
<literal>shutdown_check_timeout</literal>: maximum number of seconds to wait for the <primary>x</primary>
demotion candidate (current primary) to shut down, before aborting the switchover. <secondary>with &quot;repmgr standby switchover &quot;</secondary>
</simpara> </indexterm>
<simpara>
Note that this parameter is set on the node where <command>repmgr standby switchover</command> <term><option></option></term>
is executed (promotion candidate); setting it on the demotion candidate (former primary) will <listitem>
have no effect. <para>
</simpara> </para>
</listitem>
</varlistentry>
<varlistentry>
<indexterm>
<primary>replication_lag_critical</primary>
<secondary>with &quot;repmgr standby switchover &quot;</secondary>
</indexterm>
<term><option>replication_lag_critical</option></term>
<listitem>
<para>
If replication lag (in seconds) on the standby exceeds this value, the
switchover will be aborted (unless the <literal>-F/--force</literal> option
is provided)
</para>
</listitem>
</varlistentry>
<varlistentry>
<indexterm>
<primary>shutdown_check_timeout</primary>
<secondary>with &quot;repmgr standby switchover &quot;</secondary>
</indexterm>
<term><option>shutdown_check_timeout</option></term>
<listitem>
<para>
maximum number of seconds to wait for the
demotion candidate (current primary) to shut down, before aborting the switchover.
</para>
<para>
Note that this parameter is set on the node where <command>repmgr standby switchover</command>
is executed (promotion candidate); setting it on the demotion candidate (former primary) will
have no effect.
</para>
<note> <note>
<para> <para>
In versions prior to <link linkend="release-4.2">&repmgr; 4.2</link>, <command>repmgr standby switchover</command> would In versions prior to <link linkend="release-4.2">&repmgr; 4.2</link>, <command>repmgr standby switchover</command> would
@@ -191,18 +222,56 @@
to determine the timeout for demotion candidate shutdown. to determine the timeout for demotion candidate shutdown.
</para> </para>
</note> </note>
</listitem> </listitem>
</varlistentry>
<listitem> <varlistentry>
<simpara> <indexterm>
<literal>standby_reconnect_timeout</literal>: <primary>standby_reconnect_timeout</primary>
maximum number of seconds to attempt to wait for the demotion candidate (former primary) <secondary>with &quot;repmgr standby switchover &quot;</secondary>
</indexterm>
<term><option>standby_reconnect_timeout</option></term>
<listitem>
<para>
maximum number of seconds to attempt to wait for the demotion candidate (former primary)
to reconnect to the promoted primary (default: 60 seconds) to reconnect to the promoted primary (default: 60 seconds)
</simpara> </para>
</listitem> <para>
Note that this parameter is set on the node where <command>repmgr standby switchover</command>
is executed (promotion candidate); setting it on the demotion candidate (former primary) will
have no effect.
</para>
</listitem>
</varlistentry>
<varlistentry>
<indexterm>
<primary>node_rejoin_timeout</primary>
<secondary>with &quot;repmgr standby switchover &quot;</secondary>
</indexterm>
<term><option>node_rejoin_timeout</option></term>
<listitem>
<para>
maximum number of seconds to attempt to wait for the demotion candidate (former primary)
to reconnect to the promoted primary (default: 60 seconds)
</para>
<para>
Note that this parameter is set on the the demotion candidate (former primary);
setting it on the node where <command>repmgr standby switchover</command> is
executed will have no effect.
</para>
<para>
However, this value <emphasis>must</emphasis> be less than <option>standby_reconnect_timeout</option> on the
promotion candidate (node where <command>repmgr standby switchover</command> is executed).
</para>
</listitem>
</varlistentry>
</variablelist>
</itemizedlist>
</para>
</refsect1> </refsect1>