pg_autoctl show standby-names(1)

Usage

This command prints the current value for synchronous_standby_names for the primary Postgres server of the target group (default 0) in the target formation (default default), as computed by the monitor:

Options

--pgdata: Location of the Postgres node being managed locally. Defaults to the environment variable PGDATA. Use --monitor to connect to a monitor from anywhere, rather than the monitor URI used by a local Postgres node managed with pg_autoctl.

--monitor

Postgres URI used to connect to the monitor. Must use the autoctl_node username and target the pg_auto_failover database name. It is possible to show the Postgres URI from the monitor node using the command pg_autoctl show uri.

Defaults to the value of the environment variable PG_AUTOCTL_MONITOR.

--formation: Show the current synchronous_standby_names value for the given formation. Defaults to the default formation.

--group: Show the current synchronous_standby_names value for the given group in the given formation. Defaults to group 0.

--json: Output a JSON formatted data instead of a table formatted list.

Environment

PGDATA

Postgres directory location. Can be used instead of the --pgdata option.

PG_AUTOCTL_MONITOR

Postgres URI to connect to the monitor node, can be used instead of the --monitor option.

XDG_CONFIG_HOME

The pg_autoctl command stores its configuration files in the standard place XDG_CONFIG_HOME. See the XDG Base Directory Specification.

XDG_DATA_HOME

The pg_autoctl command stores its internal states files in the standard place XDG_DATA_HOME, which defaults to ~/.local/share. See the XDG Base Directory Specification.

Examples

$ pg_autoctl show standby-names
'ANY 1 (pgautofailover_standby_2, pgautofailover_standby_3)'
$ pg_autoctl show standby-names --json
{
    "formation": "default",
    "group": 0,
    "synchronous_standby_names": "ANY 1 (pgautofailover_standby_2, pgautofailover_standby_3)"
}

Releases

2 releases since Debian 12 (Bookworm); the text changed 1 time.

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