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tl;dr: "PostgreSQL is still my weapon of choice — it doesn’t keep us up at night."

I agree with the guy. PostgreSQL (and SQL server ironically) have kept me up less than any other piece of software out there.

I'm watching a turd occuring with MongoDB at the minute. Every time something breaks, I hear the team saying "it'll be fixed in the next version" or "feature X works around it for now". Grr. Too much marketing, not enough reliability study.

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I believe this was one of the talks at Postgres Open - I came across the slides from most of the others earlier at http://wiki.postgresql.org/wiki/Postgres_Open_Talks_2011, and they have some good tips on scaling with Postgres.

There was one interesting tidbit in one of the Heroku presentations : they apparently run over 150,000 databases ( https://wal-e-pgopen2011.herokuapp.com/#6 ) which is incredible.

The Heroku guys are doing some seriously awesome things with Postgres. I can't wait to see where they go with it; the whole community will benefit, I'm sure.

One thing that I ran into in addition to the above was that while the database and driver for my language of choice (Node.js) were fine, I ran into all sorts of ORM issues that weren't being fixed and were very odd. Mixing a not so stable community project around Mongo with far from stable project (Node) was a bad idea...

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