PGD-S ===== !!!Note This architecture is for Postgres Distributed 6 only. If you require PGD 5 please use :ref:`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 :ref:`Configuring EDB Repos 2.0 repositories ` . Cluster configuration --------------------- Overview of configuration options ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ An example invocation of ``tpaexec configure`` for this architecture is shown below. .. code:: bash 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. .. code:: bash 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 ^^^^^^^^^^^^^^^^^ .. csv-table:: :header: Options,Description :widths: 10,30 :align: left :class: longtable `--architecture` (`-a`),Must be set to `PGD-S` Postgres flavour and version (e.g. `--postgresql 15`),A valid :ref:`Postgres flavour and version` . Additional Options ^^^^^^^^^^^^^^^^^^ .. csv-table:: :header: Options,Description,Behaviour if omitted :widths: 12,25,15 :align: left :class: longtable `--platform`,"One of `aws`, `docker`, `bare`.",Defaults to `aws`. `--bdr-database`,The name of the database to be used for replication.,Defaults to `bdrdb`. More detail about PGD-S configuration ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ A PGD-S cluster comprises a single location with three data nodes. You may optionally specify ``--bdr-database dbname`` to set the name of the database with BDR enabled (default: bdrdb). You may optionally specify ``--enable-pgd-probes [{http, https}]`` to enable http(s) api endpoints that will allow to easily probe proxy’s health. You may also specify any of the options described by :ref:`Cluster configuration ` .