-<!-- $PostgreSQL: pgsql/doc/src/sgml/config.sgml,v 1.254 2010/02/25 19:20:38 momjian Exp $ -->
+<!-- $PostgreSQL: pgsql/doc/src/sgml/config.sgml,v 1.255 2010/02/27 09:29:20 heikki Exp $ -->
<chapter Id="runtime-config">
<title>Server Configuration</title>
described in <xref linkend="hot-standby-conflict">. Typically,
this parameter makes sense only during replication, so when
performing an archive recovery to recover from data loss a very high
- parameter setting is recommended. The default is 30 seconds.
- There is no wait-forever setting because of the potential for deadlock
- which that setting would introduce.
+ parameter setting or -1 which means wait forever is recommended.
+ The default is 30 seconds.
This parameter can only be set in the <filename>postgresql.conf</>
file or on the server command line.
</para>
-<!-- $PostgreSQL: pgsql/doc/src/sgml/high-availability.sgml,v 1.51 2010/02/25 09:16:42 heikki Exp $ -->
+<!-- $PostgreSQL: pgsql/doc/src/sgml/high-availability.sgml,v 1.52 2010/02/27 09:29:20 heikki Exp $ -->
<chapter id="high-availability">
<title>High Availability, Load Balancing, and Replication</title>
<varname>max_standby_delay</> or even set it to zero, though that is a
very aggressive setting. If the standby server is tasked as an additional
server for decision support queries then it might be acceptable to set this
- to a value of many hours (in seconds).
+ to a value of many hours (in seconds). It is also possible to set
+ <varname>max_standby_delay</> to -1 which means wait forever for queries
+ to complete, if there are conflicts; this will be useful when performing
+ an archive recovery from a backup.
</para>
<para>