message, and then starts to stream WAL to the frontend.
</para>
+ <para>
+ If a slot's name is provided
+ via <replaceable class="parameter">slot_name</>, it will be updated
+ as replication progresses so that the server knows which WAL segments,
+ and if <varname>hot_standby_feedback</> is on which transactions,
+ are still needed by the standby.
+ </para>
+
<para>
If the client requests a timeline that's not the latest, but is part of
the history of the server, the server will stream all the WAL on that
client contains a message of one of the following formats:
</para>
- <para>
- If a slot's name is provided
- via <replaceable class="parameter">slot_name</>, it will be updated
- as replication progresses so that the server knows which WAL segments -
- and if <varname>hot_standby_feedback</> is on which transactions -
- are still needed by the standby.
- </para>
-
<para>
<variablelist>
<varlistentry>