summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--doc/src/sgml/high-availability.sgml18
1 files changed, 9 insertions, 9 deletions
diff --git a/doc/src/sgml/high-availability.sgml b/doc/src/sgml/high-availability.sgml
index 3c79d4b5e0c..340c4622221 100644
--- a/doc/src/sgml/high-availability.sgml
+++ b/doc/src/sgml/high-availability.sgml
@@ -918,18 +918,18 @@ primary_conninfo = 'host=192.168.1.50 port=5432 user=foo password=foopass'
</sect2>
<sect2 id="streaming-replication-slots">
- <title>Physical Replication Slots</title>
+ <title>Replication Slots</title>
<indexterm>
<primary>replication slot</primary>
<secondary>streaming replication</secondary>
</indexterm>
<para>
- Physical replication slots provide an automated way to ensure that the
- primary server does
- not remove WAL segments until they have been received by all standbys,
- and that the primary does not remove rows which could cause a
- <link linkend="hot-standby-conflict">recovery conflict</link> even when the
- standby is disconnected.
+ Replication slots provide an automated way to ensure that the
+ primary server does not remove WAL segments until they have been
+ received, physically or logically, by all standbys/subscribers,
+ and that the primary does not remove rows which could cause a <link
+ linkend="hot-standby-conflict">recovery conflict</link> on physical
+ replicas even when the standby is disconnected.
</para>
<para>
In lieu of using replication slots, it is possible to prevent the removal
@@ -943,9 +943,9 @@ primary_conninfo = 'host=192.168.1.50 port=5432 user=foo password=foopass'
</para>
<para>
Similarly, <xref linkend="guc-hot-standby-feedback"/> on its own, without
- also using a replication slot, provides protection against relevant rows
+ also using a physical replication slot, provides protection against relevant rows
being removed by vacuum, but provides no protection during any time period
- when the standby is not connected.
+ when the physical replication standby is disconnected.
</para>
<caution>