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Editorial Team
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Asked: 2026-05-19T01:08:44+00:00

I’m developing a Rails 3 app deployed on Heroku which would like to optimize.

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I’m developing a Rails 3 app deployed on Heroku which would like to optimize. I’ve explored different solutions such as query_reviewer or New Relic.

I couldn’t make query_reviewer work with Rails 3.0.1 (also I had to switch to MySql, because PostgreSQL is not supported).

Regarding New Relic, it looks like a great free tool, but works only in production. I first need to improve many DB queries at development before getting to tune the app in production.

So none of this tools fit my needs.

Any advice? Maybe I should just rely on log traces and reduce the number of SQL queries?

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1 Answer

  1. Editorial Team

    I found that New Relic has a Development mode, which looks like an ideal setup for optimizing an application in development phase: http://support.newrelic.com/kb/docs/developer-mode

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