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Amazon recently introduced PostgreSQL support for their Amazon RDS service. I was wondering if this scenario could be possible:

  • Setup a PostgreSQL instance on Amazon RDS
  • Install PostgreSQL on my VPS
  • Setup replication so that any changes I make on the DB in my VPS are automatically mirrored on the PostgreSQL instance on Amazon RDS

Is this possible? If yes, what would be the steps to achieve it?

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2 Answers 2

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Replication using trigger-based systems like Londiste and Bucardo into and out of RDS is now supported as of Nov. 10th 2014, per a reply on that forum thread.

Announcement here

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I think it is not possible. SImilar functionality is available for MySQL RDS: http://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/MySQL.Procedural.Importing.NonRDSRepl.html

However, the closest for PostgreSQL RDS that I could find is: http://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/PostgreSQL.Procedural.Importing.html

Check on AWS Forum for better thoughts around this: https://forums.aws.amazon.com/index.jspa

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