pg_autoctl_set_formation_number-sync-standbys

Name

pg_autoctl set formation number-sync-standbys ā€” pg_autoctl set formation number-sync-standbys

pg_autoctl set formation number-sync-standbys ā€” set number_sync_standbys for a formation from the monitor

Synopsis

This command set a pg_autoctl replication settings for number sync standbys:

usage: pg_autoctl set formation number-sync-standbys  [ --pgdata ] [ --json ] [ --formation ] <number_sync_standbys>

--pgdata      path to data directory
--formation   pg_auto_failover formation
--json        output data in the JSON format

Description

The pg_auto_failover monitor ensures that at least N+1 candidate standby nodes are registered when number-sync-standbys is N. This means that to be able to run the following command, at least 3 standby nodes with a non-zero candidate priority must be registered to the monitor:

$ pg_autoctl set formation number-sync-standbys 2

See also pg_autoctl show settings for the full list of replication settings.

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.

--json

Output JSON formated data.

--formation

Show replication settings for given formation. Defaults to default.

Author

Microsoft

Info

Aug 04, 2022 1.6 pg_auto_failover