</para>
<sect2 id="prepare-publisher-upgrades">
- <title>Prepare for publisher upgrades</title>
+ <title>Prepare for Publisher Upgrades</title>
<para>
<application>pg_upgrade</application> attempts to migrate logical
</sect2>
<sect2 id="prepare-subscriber-upgrades">
- <title>Prepare for subscriber upgrades</title>
+ <title>Prepare for Subscriber Upgrades</title>
<para>
Setup the <link linkend="logical-replication-config-subscriber">
</sect2>
<sect2 id="upgrading-logical-replication-clusters">
- <title>Upgrading logical replication clusters</title>
+ <title>Upgrading Logical Replication Clusters</title>
<para>
While upgrading a subscriber, write operations can be performed in the
</para>
<sect3 id="steps-two-node-logical-replication-cluster">
- <title>Steps to upgrade a two-node logical replication cluster</title>
+ <title>Steps to Upgrade a Two-node Logical Replication Cluster</title>
<para>
Let's say publisher is in <literal>node1</literal> and subscriber is
in <literal>node2</literal>. The subscriber <literal>node2</literal> has
</sect3>
<sect3 id="steps-cascaded-logical-replication-cluster">
- <title>Steps to upgrade a cascaded logical replication cluster</title>
+ <title>Steps to Upgrade a Cascaded Logical Replication Cluster</title>
<para>
Let's say we have a cascaded logical replication setup
<literal>node1</literal>-><literal>node2</literal>-><literal>node3</literal>.
</sect3>
<sect3 id="steps-two-node-circular-logical-replication-cluster">
- <title>Steps to upgrade a two-node circular logical replication cluster</title>
+ <title>Steps to Upgrade a Two-node Circular Logical Replication Cluster</title>
<para>
Let's say we have a circular logical replication setup
<literal>node1</literal>-><literal>node2</literal> and
</sect2>
<sect2 id="protocol-versions">
- <title>Protocol versions</title>
+ <title>Protocol Versions</title>
<para>
The current, latest version of the protocol is version 3.2. However, for
</para>
<table id="protocol-versions-table">
- <title>Protocol versions</title>
+ <title>Protocol Versions</title>
<tgroup cols="3">
<thead>