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Small documentation tweaks

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Peter Eisentraut 2011-07-05 00:00:14 +03:00
parent 6fbc80349f
commit d479a0f92f
1 changed files with 6 additions and 5 deletions
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doc/src/sgml/config.sgml
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@ -2083,15 +2083,15 @@ SET ENABLE_SEQSCAN TO OFF;
synchronous standby that will wake sleeping users following commit. synchronous standby that will wake sleeping users following commit.
The synchronous standby will be the first named standby that is The synchronous standby will be the first named standby that is
both currently connected and streaming in real-time to the standby both currently connected and streaming in real-time to the standby
(as shown by a state of "STREAMING"). Other standby servers (as shown by a state of <literal>STREAMING</literal>). Other standby servers
with listed later will become potential synchronous standbys. with listed later will become potential synchronous standbys.
If the current synchronous standby disconnects for whatever reason If the current synchronous standby disconnects for whatever reason
it will be replaced immediately with the next highest priority standby. it will be replaced immediately with the next highest priority standby.
Specifying more than one standby name can allow very high availability. Specifying more than one standby name can allow very high availability.
</para> </para>
<para> <para>
The standby name is currently taken as the application_name of the The standby name is currently taken as the <varname>application_name</> setting of the
standby, as set in the primary_conninfo on the standby. Names are standby, as set in the <varname>primary_conninfo</> on the standby. Names are
not enforced for uniqueness. In case of duplicates one of the standbys not enforced for uniqueness. In case of duplicates one of the standbys
will be chosen to be the synchronous standby, though exactly which will be chosen to be the synchronous standby, though exactly which
one is indeterminate. one is indeterminate.
@ -2211,12 +2211,13 @@ SET ENABLE_SEQSCAN TO OFF;
</indexterm> </indexterm>
<listitem> <listitem>
<para> <para>
Specifies the minimum frequency, in seconds, for the WAL receiver Specifies the minimum frequency for the WAL receiver
process on the standby to send information about replication progress process on the standby to send information about replication progress
to the primary, where they can be seen using the to the primary, where they can be seen using the
<literal>pg_stat_replication</literal> view. The standby will report <literal>pg_stat_replication</literal> view. The standby will report
the last transaction log position it has written, the last position it the last transaction log position it has written, the last position it
has flushed to disk, and the last position it has applied. Updates are has flushed to disk, and the last position it has applied. The parameter
value is the maximum interval, in seconds, between reports. Updates are
sent each time the write or flush positions changed, or at least as sent each time the write or flush positions changed, or at least as
often as specified by this parameter. Thus, the apply position may often as specified by this parameter. Thus, the apply position may
lag slightly behind the true position. Setting this parameter to zero lag slightly behind the true position. Setting this parameter to zero