diff options
Diffstat (limited to 'doc/src')
| -rw-r--r-- | doc/src/sgml/config.sgml | 23 | ||||
| -rw-r--r-- | doc/src/sgml/monitoring.sgml | 16 |
2 files changed, 39 insertions, 0 deletions
diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml index e3d1c622122..11d552e82d8 100644 --- a/doc/src/sgml/config.sgml +++ b/doc/src/sgml/config.sgml @@ -4131,6 +4131,29 @@ local0.* /var/log/postgresql </listitem> </varlistentry> + <varlistentry id="guc-cluster-name" xreflabel="cluster_name"> + <term><varname>cluster_name</varname> (<type>string</type>)</term> + <indexterm> + <primary><varname>cluster_name</> configuration parameter</primary> + </indexterm> + <listitem> + <para> + Sets the cluster name that appears in the process title for all + processes in this cluster. The name can be any string of less than + <symbol>NAMEDATALEN</> characters (64 characters in a standard + build). Only printable ASCII characters may be used in the + <varname>application_name</varname> value. Other characters will be + replaced with question marks (<literal>?</literal>). No name is shown + if this parameter is set to the empty string <literal>''</> (which is + the default). This parameter can only be set at server start. + </para> + <para> + The process title is typically viewed using programs like + <application>ps</> or, on Windows, <application>Process Explorer</>. + </para> + </listitem> + </varlistentry> + <varlistentry> <term><varname>debug_print_parse</varname> (<type>boolean</type>) <indexterm> diff --git a/doc/src/sgml/monitoring.sgml b/doc/src/sgml/monitoring.sgml index 69d99e7c75f..cef3fc0dc4e 100644 --- a/doc/src/sgml/monitoring.sgml +++ b/doc/src/sgml/monitoring.sgml @@ -92,6 +92,22 @@ postgres: <replaceable>user</> <replaceable>database</> <replaceable>host</> <re </para> <para> + If <xref linkend="guc-cluster-name"> has been configured the + cluster name will also be show in <command>ps</> output: +<screen> +$ psql -c 'SHOW cluster_name' + cluster_name +-------------- + server1 +(1 row) + +$ ps aux|grep server1 +postgres 27093 0.0 0.0 30096 2752 ? Ss 11:34 0:00 postgres: server1: writer process +... +</screen> + </para> + + <para> If you have turned off <xref linkend="guc-update-process-title"> then the activity indicator is not updated; the process title is set only once when a new process is launched. On some platforms this saves a measurable |