NAME

synapse_port_db - A script to port an existing synapse SQLite database to a new PostgreSQL database.

SYNOPSIS

synapse_port_db [-v] --sqlite-database=dbfile --postgres-config=yamlconfig [--curses] [--batch-size=batch-size]

DESCRIPTION

synapse_port_db ports an existing synapse SQLite database to a new PostgreSQL database.

SQLite database is specified with --sqlite-database option and PostgreSQL configuration required to connect to PostgreSQL database is provided using --postgres-config configuration. The configuration is specified in YAML format.

OPTIONS

-v: Print log messages in debug level instead of info level.
--sqlite-database: The snapshot of the SQLite database file. This must not be currently used by a running synapse server.
--postgres-config: The database config file for the PostgreSQL database.
--curses: Display a curses based progress UI.

CONFIG FILE

The postgres configuration file must be a valid YAML file with the following options.

○: database: Database configuration section. This section header can be ignored and the options below may be specified as top level keys.
○: name: Connector to use when connecting to the database. This value must be psycopg2.
○: args: DB API 2.0 compatible arguments to send to the psycopg2 module.
○: dbname - the database name
○: user - user name used to authenticate
○: password - password used to authenticate
○: host - database host address (defaults to UNIX socket if not provided)
○: port - connection port number (defaults to 5432 if not provided)

○: synchronous_commit: Optional. Default is True. If the value is False, enable asynchronous commit and don't wait for the server to call fsync before ending the transaction. See: https://www.postgresql.org/docs/current/static/wal-async-commit.html

Following example illustrates the configuration file format.

database:
  name: psycopg2
  args:
    dbname: synapsedb
    user: synapseuser
    password: ORohmi9Eet=ohphi
    host: localhost
  synchronous_commit: false

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