As others have mentioned, with Citus Data open sourcing CitusDB, Postgres is now capable of fairly easily handling Mongo sized records.<p>Something else you might be interested in:<p><a href="https:&#x2F;&#x2F;www.linkedin.com&#x2F;pulse&#x2F;mongodb-32-now-powered-postgresql-john-de-goes" rel="nofollow">https:&#x2F;&#x2F;www.linkedin.com&#x2F;pulse&#x2F;mongodb-32-now-powered-postgr...</a><p>I have always been a Postgres fan, but now I find it very difficult to imagine a problem MongoDB would be better suited for.