关于PostgreSQL Cluster的cluster_name

发布时间：2020-12-13 16:42:18 所属栏目：百科来源：网络整理

导读：[root@yueqi ~]# su - highgoLast login: Tue Feb 13 11:30:45 CST 2018 on pts/1[highgo@yueqi ~]$ psqlpsql (4.1.1)PSQL: Release 4.1.1Connected to:HighGo Database V4.1 Enterprise Edition Release 4.1.1 - 64-bit ProductionType "help" for help.hig

[root@yueqi ~]# su - highgo
Last login: Tue Feb 13 11:30:45 CST 2018 on pts/1
[highgo@yueqi ~]$ psql
psql (4.1.1)
PSQL: Release 4.1.1
Connected to:
HighGo Database V4.1 Enterprise Edition Release 4.1.1 - 64-bit Production
Type "help" for help.
highgo=# show cluster_name ;
cluster_name 
--------------

(1 row)
highgo=# q

若是cluster_name配置了，效果如下，参考自：

https://www.postgresql.org/docs/current/static/monitoring-ps.html

$ 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
...

（编辑：李大同）

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