index 8bd57f376b25969ae1d4b3d8837bc8ef7aa284e4..1c3b7affa9f4c9f9170409f9bb53c43af24765b0 100644 (file)
@@ -3659,7 +3659,8 @@ restore_command = 'copy "C:\\server\\archivedir\\%f" "%p"' # Windows
<varname>application_name</varname> setting of the standby, as set in the
standby's connection information. In case of a physical replication
standby, this should be set in the <varname>primary_conninfo</varname>
- setting; the default is <literal>walreceiver</literal>.
+ setting; the default is the setting of <xref linkend="guc-cluster-name"/>
+ if set, else <literal>walreceiver</literal>.
For logical replication, this can be set in the connection
information of the subscription, and it defaults to the
subscription name. For other replication stream consumers,
@@ -6560,8 +6561,15 @@ COPY postgres_log FROM '/full/path/to/logfile.csv' WITH csv;
</term>
<listitem>
<para>
- Sets the cluster name that appears in the process title for all
- server processes in this cluster. The name can be any string of less
+ Sets a name that identifies this database cluster (instance) for
+ various purposes. The cluster name appears in the process title for
+ all server processes in this cluster. Moreover, it is the default
+ application name for a standby connection (see <xref
+ linkend="guc-synchronous-standby-names"/>.)
+ </para>
+
+ <para>
+ The name can be any string of less
than <symbol>NAMEDATALEN</symbol> characters (64 characters in a standard
build). Only printable ASCII characters may be used in the
<varname>cluster_name</varname> value. Other characters will be
index 2e90944ad524fe77128b1f0b65807a0d6c0824ad..9eaaa8ff5057efbfdc2a2eaf85fa4febac2e4aff 100644 (file)
/* Establish the connection to the primary for XLOG streaming */
EnableWalRcvImmediateExit();
- wrconn = walrcv_connect(conninfo, false, "walreceiver", &err);
+ wrconn = walrcv_connect(conninfo, false, cluster_name[0] ? cluster_name : "walreceiver", &err);
if (!wrconn)
ereport(ERROR,
(errmsg("could not connect to the primary server: %s", err)));