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.
Parameters
host (str) –
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 (dict of str to str) –
Optional parameters. Allowed keys are:
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. Allowed values are:
true
false
The default value is ‘false’.
The default value is an empty dict ( ).
Returns
A dict with the following entries–
info (dict of str to str) –
Additional information.