New Relic is a performance management system, developed by New Relic, Inc (http://www.newrelic.com). New Relic provides you with deep information about the performance of your web application as it runs in production. The New Relic Ruby Agent is dual-purposed as a either a Gem or plugin, hosted on http://github.com/newrelic/rpm/
Rails 3.0✓
Thread Safety?
JRuby✓
Ruby 1.9✓
Rails 3.1?
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