PGD-S v23.40.0
Note
This architecture is for Postgres Distributed 6 only. If you require PGD 5 please use PGD-Always-ON.
EDB Postgres Distributed 6 in a PGD Essential (PGD-S) configuration suitable for use in test and production.
This architecture requires an EDB subscription. All software is sourced from EDB Repos 2.0.
Cluster configuration
Overview of configuration options
An example invocation of tpaexec configure for this architecture
is shown below.
tpaexec configure ~/clusters/pgd-s \ --architecture PGD-S --edb-postgres-extended 15 \ --platform aws --instance-type t3.micro \ --distribution Debian \
You can list all available options using the help command.
tpaexec configure --architecture PGD-S --help
The table below describes the mandatory options for PGD-S and additional important options. More detail on the options is provided in the following section.
Mandatory Options
| Options | Description |
|---|---|
--architecture (-a) | Must be set to PGD-S |
Postgres flavour and version (e.g. --postgresql 15) | A valid flavour and version specifier. |
Additional Options
| Options | Description | Behaviour if omitted |
|---|---|---|
--platform | One of aws, docker, bare. | Defaults to aws. |
--bdr-database | The name of the database to be used for replication. | Defaults to bdrdb. |
--layout | standard or near-far | Defaults to standard |
--add-subscriber-only-nodes | The number of subscriber-only nodes to add, up to 10. | Defaults to 0 |
--read-write-port | The port for Connection Manager to listen on for read-write connections. | Left empty in config.yml, allowing default of the postgres port + 1000 |
--read-only-port | The port for Connection Manager to listen on for read-only connections. | Left empty in config.yml, allowing default of the read-write port + 1 |
--http-port | The port for Connection Manager to listen on for http api connections. | Left empty in config.yml, allowing default of the read-write port + 2 |
--use https | Enable https for Connection Manager's http api | https is not enabled |
More detail about PGD-S configuration
A PGD-S cluster has three data nodes. In the standard layout the nodes
are all in the same location; in the near-far layout two nodes are in
the primary location and the other is in a secondary location. See
the PGD
documentation
for more information about the two layouts.
The cluster also contains one barman node and up to 10 subscriber-only
nodes, controlled by the --add-subscriber-only-nodes parameter. These
are always in the primary location.
You may optionally specify --bdr-database dbname to set the name of
the database with BDR enabled (default: bdrdb).
You may also specify any of the options described by
tpaexec help configure-options.
- On this page
- Cluster configuration