We don't seem to describe logical replication on
https://www.postgresql.org/docs/10/static/different-replication-solutions.html
The attached patch adds a section.
Steve
diff --git a/doc/src/sgml/high-availability.sgml b/doc/src/sgml/high-availability.sgml
index 138bdf2..1329d1f 100644
--- a/doc/src/sgml/high-availability.sgml
+++ b/doc/src/sgml/high-availability.sgml
@@ -158,6 +158,26 @@ protocol to make nodes agree on a serializable transactional order.
</listitem>
</varlistentry>
+
+ <varlistentry>
+ <term>Logical Replication</term>
+ <listitem>
+
+ <para>
+ Logical replication allows a database server to send a stream of
+ data modifications to another server.
+ <productname>PostgreSQL</productname> logical replication constructs
+ a stream of logical data modifications from the WAL.
+ </para>
+ <para>
+ Logical replication allows the data changes from individual tables
+ to be replicated. Logical replication doesn't require a particular server
+ to be designated as a master or a slave but allows data to flow in multiple
+ directions. For more information on logical replication, see <xref linkend="logical-replication">.
+ </para>
+ </listitem>
+ </varlistentry>
+
<varlistentry>
<term>Trigger-Based Master-Standby Replication</term>
<listitem>
@@ -290,6 +310,7 @@ protocol to make nodes agree on a serializable transactional order.
<entry>Shared Disk Failover</entry>
<entry>File System Replication</entry>
<entry>Write-Ahead Log Shipping</entry>
+ <entry>Logical Replication</entry>
<entry>Trigger-Based Master-Standby Replication</entry>
<entry>Statement-Based Replication Middleware</entry>
<entry>Asynchronous Multimaster Replication</entry>
@@ -304,6 +325,7 @@ protocol to make nodes agree on a serializable transactional order.
<entry align="center">NAS</entry>
<entry align="center">DRBD</entry>
<entry align="center">Streaming Repl.</entry>
+ <entry align="center">Logical Repl.</entry>
<entry align="center">Slony</entry>
<entry align="center">pgpool-II</entry>
<entry align="center">Bucardo</entry>
@@ -315,6 +337,7 @@ protocol to make nodes agree on a serializable transactional order.
<entry align="center">shared disk</entry>
<entry align="center">disk blocks</entry>
<entry align="center">WAL</entry>
+ <entry align="center">Logical decoding</entry>
<entry align="center">table rows</entry>
<entry align="center">SQL</entry>
<entry align="center">table rows</entry>
@@ -330,6 +353,7 @@ protocol to make nodes agree on a serializable transactional order.
<entry align="center">•</entry>
<entry align="center">•</entry>
<entry align="center">•</entry>
+ <entry align="center">•</entry>
</row>
<row>
@@ -337,6 +361,7 @@ protocol to make nodes agree on a serializable transactional order.
<entry align="center"></entry>
<entry align="center"></entry>
<entry align="center"></entry>
+ <entry align="center">•</entry>
<entry align="center"></entry>
<entry align="center">•</entry>
<entry align="center">•</entry>
@@ -349,6 +374,7 @@ protocol to make nodes agree on a serializable transactional order.
<entry align="center"></entry>
<entry align="center">•</entry>
<entry align="center"></entry>
+ <entry align="center"></entry>
<entry align="center">•</entry>
<entry align="center"></entry>
<entry align="center"></entry>
@@ -360,6 +386,7 @@ protocol to make nodes agree on a serializable transactional order.
<entry align="center"></entry>
<entry align="center">with sync off</entry>
<entry align="center">•</entry>
+ <entry align="center">•</entry>
<entry align="center"></entry>
<entry align="center">•</entry>
<entry align="center"></entry>
@@ -371,6 +398,7 @@ protocol to make nodes agree on a serializable transactional order.
<entry align="center">•</entry>
<entry align="center">with sync on</entry>
<entry align="center"></entry>
+ <entry align="center"></entry>
<entry align="center">•</entry>
<entry align="center"></entry>
<entry align="center">•</entry>
@@ -385,6 +413,7 @@ protocol to make nodes agree on a serializable transactional order.
<entry align="center">•</entry>
<entry align="center">•</entry>
<entry align="center">•</entry>
+ <entry align="center">•</entry>
</row>
<row>
@@ -393,6 +422,7 @@ protocol to make nodes agree on a serializable transactional order.
<entry align="center"></entry>
<entry align="center"></entry>
<entry align="center">•</entry>
+ <entry align="center">•</entry>
<entry align="center"></entry>
<entry align="center">•</entry>
<entry align="center">•</entry>
@@ -403,6 +433,7 @@ protocol to make nodes agree on a serializable transactional order.
<entry align="center">•</entry>
<entry align="center">•</entry>
<entry align="center">•</entry>
+ <entry align="center"></entry>
<entry align="center">•</entry>
<entry align="center"></entry>
<entry align="center"></entry>
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