Administration: Alter Host

Alter properties on an existing host in the cluster. Currently, the only property that can be altered is a hosts ability to accept failover processes.

Input Parameter Description

Name Type Description
host string Identifies the host this applies to. Can be the host address, or formatted as 'hostN' where N is the host number as specified in gpudb.conf
options map of string to strings

Optional parameters. The default value is an empty map ( {} ).

Supported Parameters (keys) Parameter Description
accepts_failover

If set to true, the host will accept processes (ranks, graph server, etc.) in the event of a failover on another node in the cluster. See Cluster Resilience for more information. The default value is false. The supported values are:

  • true
  • false

Output Parameter Description

Name Type Description
info map of string to strings Additional information.