diff options
| -rw-r--r-- | doc/src/sgml/config.sgml | 14 | ||||
| -rw-r--r-- | src/backend/replication/walreceiver.c | 2 |
2 files changed, 12 insertions, 4 deletions
diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml index 8bd57f376b2..1c3b7affa9f 100644 --- a/doc/src/sgml/config.sgml +++ b/doc/src/sgml/config.sgml @@ -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 diff --git a/src/backend/replication/walreceiver.c b/src/backend/replication/walreceiver.c index 2e90944ad52..9eaaa8ff505 100644 --- a/src/backend/replication/walreceiver.c +++ b/src/backend/replication/walreceiver.c @@ -293,7 +293,7 @@ WalReceiverMain(void) /* 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))); |