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How to Set up a Heroku Postgres database with Librato for automated monitoring. We'll look at a range of different metrics that are available along with best practices for how to get the most out of each metric. With the right metrics in place you can anticipate where you will need to provision extra resources and where you should keep an eye on potential issues. This article assumes you already have a free Heroku account. If you don't, creating a free account will be sufficient to follow along. The metrics will not be available unless you have a standard account plan.